diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index de9c1015b6..e9c273780b 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -1691,6 +1691,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/default/Configuration_adv.h b/Marlin/src/config/default/Configuration_adv.h
index de9c1015b6..e9c273780b 100755
--- a/Marlin/src/config/default/Configuration_adv.h
+++ b/Marlin/src/config/default/Configuration_adv.h
@@ -1691,6 +1691,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h b/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h
index 9a66d6906e..970b201cdb 100644
--- a/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h
+++ b/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Anet/A2/Configuration_adv.h b/Marlin/src/config/examples/Anet/A2/Configuration_adv.h
index 15899240fc..2ff456d28a 100644
--- a/Marlin/src/config/examples/Anet/A2/Configuration_adv.h
+++ b/Marlin/src/config/examples/Anet/A2/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h b/Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h
index 15899240fc..2ff456d28a 100644
--- a/Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h
+++ b/Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Anet/A6/Configuration_adv.h b/Marlin/src/config/examples/Anet/A6/Configuration_adv.h
index e44b750918..c49c0f9aa8 100644
--- a/Marlin/src/config/examples/Anet/A6/Configuration_adv.h
+++ b/Marlin/src/config/examples/Anet/A6/Configuration_adv.h
@@ -1689,6 +1689,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Anet/A8/Configuration_adv.h b/Marlin/src/config/examples/Anet/A8/Configuration_adv.h
index 960f71758d..62a4127bf1 100644
--- a/Marlin/src/config/examples/Anet/A8/Configuration_adv.h
+++ b/Marlin/src/config/examples/Anet/A8/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/ArmEd/Configuration_adv.h b/Marlin/src/config/examples/ArmEd/Configuration_adv.h
index b0259df42b..c8c823e333 100644
--- a/Marlin/src/config/examples/ArmEd/Configuration_adv.h
+++ b/Marlin/src/config/examples/ArmEd/Configuration_adv.h
@@ -1664,6 +1664,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h b/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h
index 0290c42d17..b77d57bbbf 100644
--- a/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h
+++ b/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h
@@ -1689,6 +1689,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h b/Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h
index 83c2de2feb..87426b386d 100644
--- a/Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h
+++ b/Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h b/Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h
index e4c67c895a..6b02701fc5 100644
--- a/Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h
+++ b/Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h b/Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h
index 9fdf4e4282..0e46abc1be 100644
--- a/Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h
+++ b/Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h
@@ -1697,6 +1697,19 @@
 #ifdef G0_FEEDRATE
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
+
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h b/Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h
index e4c67c895a..6b02701fc5 100644
--- a/Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h
+++ b/Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Cartesio/Configuration_adv.h b/Marlin/src/config/examples/Cartesio/Configuration_adv.h
index cd3f217309..0c574a9b88 100644
--- a/Marlin/src/config/examples/Cartesio/Configuration_adv.h
+++ b/Marlin/src/config/examples/Cartesio/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h b/Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h
index 33dca58df6..944ee1db99 100755
--- a/Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h
@@ -1693,6 +1693,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h b/Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h
index 7320d4f91b..9a856c6488 100644
--- a/Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h b/Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h
index 417925a2c1..689bb16811 100644
--- a/Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h b/Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h
index 5b8d3c5f52..da34a421b4 100644
--- a/Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h b/Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h
index 4f38bcae84..d2ff9289b7 100644
--- a/Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h b/Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h
index 8a5daeb0a3..6a556568a0 100644
--- a/Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h b/Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h
index 4594d85e45..2224cd3c9b 100644
--- a/Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h
+++ b/Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Einstart-S/Configuration_adv.h b/Marlin/src/config/examples/Einstart-S/Configuration_adv.h
index 9930139e42..78aacb61c7 100644
--- a/Marlin/src/config/examples/Einstart-S/Configuration_adv.h
+++ b/Marlin/src/config/examples/Einstart-S/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Felix/Configuration_adv.h b/Marlin/src/config/examples/Felix/Configuration_adv.h
index 6139389992..c425e5e899 100644
--- a/Marlin/src/config/examples/Felix/Configuration_adv.h
+++ b/Marlin/src/config/examples/Felix/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h b/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h
index 084ef9a075..1b0209a6bc 100644
--- a/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h
+++ b/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Formbot/Raptor/Configuration_adv.h b/Marlin/src/config/examples/Formbot/Raptor/Configuration_adv.h
index 964de539d7..6be3a02d15 100644
--- a/Marlin/src/config/examples/Formbot/Raptor/Configuration_adv.h
+++ b/Marlin/src/config/examples/Formbot/Raptor/Configuration_adv.h
@@ -1692,6 +1692,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration_adv.h b/Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration_adv.h
index bfff9cd95e..ad385fdcb5 100644
--- a/Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration_adv.h
+++ b/Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration_adv.h
@@ -1694,6 +1694,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h b/Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h
index b3d423039b..270e6f7e1a 100644
--- a/Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h
+++ b/Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h
@@ -1695,6 +1695,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Geeetech/MeCreator2/Configuration_adv.h b/Marlin/src/config/examples/Geeetech/MeCreator2/Configuration_adv.h
index 13b4448e07..0cb4ac4582 100644
--- a/Marlin/src/config/examples/Geeetech/MeCreator2/Configuration_adv.h
+++ b/Marlin/src/config/examples/Geeetech/MeCreator2/Configuration_adv.h
@@ -1676,6 +1676,18 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h
index 2f9ae9eae3..fb631297b7 100644
--- a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h	
+++ b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h	
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h
index 2f9ae9eae3..fb631297b7 100644
--- a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h	
+++ b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h	
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h b/Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h
index d1ef05b4d9..a310eb1fdb 100644
--- a/Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h
+++ b/Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h b/Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h
index 0a65c7784a..f731003c22 100644
--- a/Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h
+++ b/Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/MakerParts/Configuration_adv.h b/Marlin/src/config/examples/MakerParts/Configuration_adv.h
index c39e91a7ad..672781e4da 100644
--- a/Marlin/src/config/examples/MakerParts/Configuration_adv.h
+++ b/Marlin/src/config/examples/MakerParts/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Malyan/M150/Configuration_adv.h b/Marlin/src/config/examples/Malyan/M150/Configuration_adv.h
index 96e9f21a7b..30062018a5 100644
--- a/Marlin/src/config/examples/Malyan/M150/Configuration_adv.h
+++ b/Marlin/src/config/examples/Malyan/M150/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Malyan/M200/Configuration_adv.h b/Marlin/src/config/examples/Malyan/M200/Configuration_adv.h
index 49a9126b96..8c1bf6a6e8 100644
--- a/Marlin/src/config/examples/Malyan/M200/Configuration_adv.h
+++ b/Marlin/src/config/examples/Malyan/M200/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h b/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h
index d378f46b61..bf26b8846c 100644
--- a/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h
+++ b/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h b/Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h
index b3977b2d75..6f1365bef4 100644
--- a/Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h
+++ b/Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h
@@ -1698,6 +1698,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/RigidBot/Configuration_adv.h b/Marlin/src/config/examples/RigidBot/Configuration_adv.h
index 9775520b59..b9751f915a 100644
--- a/Marlin/src/config/examples/RigidBot/Configuration_adv.h
+++ b/Marlin/src/config/examples/RigidBot/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/SCARA/Configuration_adv.h b/Marlin/src/config/examples/SCARA/Configuration_adv.h
index 4a960304b4..81dd0a46d2 100644
--- a/Marlin/src/config/examples/SCARA/Configuration_adv.h
+++ b/Marlin/src/config/examples/SCARA/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Sanguinololu/Configuration_adv.h b/Marlin/src/config/examples/Sanguinololu/Configuration_adv.h
index 4071f721ed..b2fd2efb06 100644
--- a/Marlin/src/config/examples/Sanguinololu/Configuration_adv.h
+++ b/Marlin/src/config/examples/Sanguinololu/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/TheBorg/Configuration_adv.h b/Marlin/src/config/examples/TheBorg/Configuration_adv.h
index b4c498c8bd..4b3f85eb86 100644
--- a/Marlin/src/config/examples/TheBorg/Configuration_adv.h
+++ b/Marlin/src/config/examples/TheBorg/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/TinyBoy2/Configuration_adv.h b/Marlin/src/config/examples/TinyBoy2/Configuration_adv.h
index 6dfbc99023..e7326dc44c 100644
--- a/Marlin/src/config/examples/TinyBoy2/Configuration_adv.h
+++ b/Marlin/src/config/examples/TinyBoy2/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h b/Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h
index b6a32f3bbe..5e7c1501e1 100644
--- a/Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h
+++ b/Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h b/Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h
index 4b841c091b..b974fc03f0 100644
--- a/Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h
+++ b/Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h b/Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h
index 4ca547705b..605bce04a2 100644
--- a/Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h
+++ b/Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h
@@ -1703,6 +1703,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h b/Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h
index 77ffaa1885..2649829f5c 100644
--- a/Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h
+++ b/Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h b/Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h
index 9a8a234b5b..f30b97a1b6 100644
--- a/Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h	
+++ b/Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h	
@@ -1692,6 +1692,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration_adv.h b/Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration_adv.h
index 50c6d08538..376f359d8e 100644
--- a/Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration_adv.h
@@ -1692,6 +1692,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h b/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h
index 4337f6203e..07a7f63035 100644
--- a/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h
@@ -1692,6 +1692,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/delta/FLSUN/kossel/Configuration_adv.h b/Marlin/src/config/examples/delta/FLSUN/kossel/Configuration_adv.h
index 4337f6203e..07a7f63035 100644
--- a/Marlin/src/config/examples/delta/FLSUN/kossel/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/FLSUN/kossel/Configuration_adv.h
@@ -1692,6 +1692,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h b/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h
index a2a175cdc6..a5bd5af9b7 100644
--- a/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h
@@ -1692,6 +1692,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h b/Marlin/src/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h
index 9dafd9cc85..6835432c59 100644
--- a/Marlin/src/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h	
+++ b/Marlin/src/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h	
@@ -1665,6 +1665,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/delta/generic/Configuration_adv.h b/Marlin/src/config/examples/delta/generic/Configuration_adv.h
index a2a175cdc6..a5bd5af9b7 100644
--- a/Marlin/src/config/examples/delta/generic/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/generic/Configuration_adv.h
@@ -1692,6 +1692,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h b/Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h
index a2a175cdc6..a5bd5af9b7 100644
--- a/Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h
@@ -1692,6 +1692,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h b/Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h
index 462d51ea90..4c319979b1 100644
--- a/Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h
+++ b/Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h
@@ -1692,6 +1692,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h b/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h
index 615fb398fd..1012a6a563 100644
--- a/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h
+++ b/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/makibox/Configuration_adv.h b/Marlin/src/config/examples/makibox/Configuration_adv.h
index be1b1c0e48..c28b1ede83 100644
--- a/Marlin/src/config/examples/makibox/Configuration_adv.h
+++ b/Marlin/src/config/examples/makibox/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h b/Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h
index 751914c8ff..0ed22b85f2 100644
--- a/Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h
+++ b/Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h
@@ -1690,6 +1690,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/config/examples/wt150/Configuration_adv.h b/Marlin/src/config/examples/wt150/Configuration_adv.h
index ac751eb77e..fa46e8f2b7 100644
--- a/Marlin/src/config/examples/wt150/Configuration_adv.h
+++ b/Marlin/src/config/examples/wt150/Configuration_adv.h
@@ -1691,6 +1691,18 @@
   //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode
 #endif
 
+/**
+ * G-code Macros
+ *
+ * Add G-codes M810-M819 to define and run G-code macros.
+ * Macros are not saved to EEPROM.
+ */
+//#define GCODE_MACROS
+#if ENABLED(GCODE_MACROS)
+  #define GCODE_MACROS_SLOTS       5  // Up to 10 may be used
+  #define GCODE_MACROS_SLOT_SIZE  50  // Maximum length of a single macro
+#endif
+
 /**
  * User-defined menu items that execute custom GCode
  */
diff --git a/Marlin/src/gcode/feature/macro/M810-M819.cpp b/Marlin/src/gcode/feature/macro/M810-M819.cpp
new file mode 100644
index 0000000000..3e8a0e04b4
--- /dev/null
+++ b/Marlin/src/gcode/feature/macro/M810-M819.cpp
@@ -0,0 +1,67 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../../inc/MarlinConfig.h"
+
+#if ENABLED(GCODE_MACROS)
+
+#include "../../gcode.h"
+#include "../../queue.h"
+#include "../../parser.h"
+
+char gcode_macros[GCODE_MACROS_SLOTS][GCODE_MACROS_SLOT_SIZE + 1] = {{ 0 }};
+
+/**
+ * M810_819: Set/execute a G-code macro.
+ *
+ * Usage:
+ *   M810 <command>|...   Set Macro 0 to the given commands, separated by the pipe character
+ *   M810                 Execute Macro 0
+ */
+void GcodeSuite::M810_819() {
+  const uint8_t index = parser.codenum - 810;
+  if (index >= GCODE_MACROS_SLOTS) return;
+
+  const size_t len = strlen(parser.string_arg);
+
+  if (len) {
+    // Set a macro
+    if (len > GCODE_MACROS_SLOT_SIZE) {
+      SERIAL_ERROR_START();
+      SERIAL_ERRORLNPGM("Macro too long.");
+    }
+    else {
+      char c, *s = parser.string_arg, *d = gcode_macros[index];
+      do {
+        c = *s++;
+        *d++ = c == '|' ? '\n' : c;
+      } while (c);
+    }
+  }
+  else {
+    // Execute a macro
+    char * const cmd = gcode_macros[index];
+    if (strlen(cmd)) process_subcommands_now(cmd);
+  }
+}
+
+#endif // GCODE_MACROS
diff --git a/Marlin/src/gcode/gcode.cpp b/Marlin/src/gcode/gcode.cpp
index 0d26e86689..1281f4519e 100644
--- a/Marlin/src/gcode/gcode.cpp
+++ b/Marlin/src/gcode/gcode.cpp
@@ -624,6 +624,12 @@ void GcodeSuite::process_parsed_command(
         case 7219: M7219(); break;                                // M7219: Set LEDs, columns, and rows
       #endif
 
+      #if ENABLED(GCODE_MACROS)
+        case 810: case 811: case 812: case 813: case 814:
+        case 815: case 816: case 817: case 818: case 819:
+        M810_819(); break;                                        // M810-M819: Define/execute G-code macro
+      #endif
+
       #if ENABLED(LIN_ADVANCE)
         case 900: M900(); break;                                  // M900: Set advance K factor.
       #endif
diff --git a/Marlin/src/gcode/gcode.h b/Marlin/src/gcode/gcode.h
index 9e3e551ebf..cb29abed56 100644
--- a/Marlin/src/gcode/gcode.h
+++ b/Marlin/src/gcode/gcode.h
@@ -211,8 +211,9 @@
  * M605 - Set Dual X-Carriage movement mode: "M605 S<mode> [X<x_offset>] [R<temp_offset>]". (Requires DUAL_X_CARRIAGE)
  * M665 - Set delta configurations: "M665 H<delta height> L<diagonal rod> R<delta radius> S<segments/s> B<calibration radius> X<Alpha angle trim> Y<Beta angle trim> Z<Gamma angle trim> (Requires DELTA)
  * M666 - Set/get offsets for delta (Requires DELTA) or dual endstops (Requires [XYZ]_DUAL_ENDSTOPS).
- * M701 - Load filament (requires FILAMENT_LOAD_UNLOAD_GCODES)
- * M702 - Unload filament (requires FILAMENT_LOAD_UNLOAD_GCODES)
+ * M701 - Load filament (Requires FILAMENT_LOAD_UNLOAD_GCODES)
+ * M702 - Unload filament (Requires FILAMENT_LOAD_UNLOAD_GCODES)
+ * M810-M819 - Define/execute a G-code macro (Requires GCODE_MACROS)
  * M851 - Set Z probe's Z offset in current units. (Negative = below the nozzle.)
  * M852 - Set skew factors: "M852 [I<xy>] [J<xz>] [K<yz>]". (Requires SKEW_CORRECTION_GCODE, and SKEW_CORRECTION_FOR_Z for IJ)
  * M860 - Report the position of position encoder modules.
@@ -760,6 +761,10 @@ private:
     static void M7219();
   #endif
 
+  #if ENABLED(GCODE_MACROS)
+    static void M810_819();
+  #endif
+
   #if HAS_BED_PROBE
     static void M851();
   #endif
diff --git a/Marlin/src/gcode/parser.cpp b/Marlin/src/gcode/parser.cpp
index 7c3fe76b60..2b678d7e20 100644
--- a/Marlin/src/gcode/parser.cpp
+++ b/Marlin/src/gcode/parser.cpp
@@ -209,7 +209,14 @@ void GCodeParser::parse(char *p) {
   #endif
 
   // Only use string_arg for these M codes
-  if (letter == 'M') switch (codenum) { case 23: case 28: case 30: case 117: case 118: case 928: string_arg = p; return; default: break; }
+  if (letter == 'M') switch (codenum) {
+    #if ENABLED(GCODE_MACROS)
+      case 810: case 811: case 812: case 813: case 814:
+      case 815: case 816: case 817: case 818: case 819:
+    #endif
+    case 23: case 28: case 30: case 117: case 118: case 928: string_arg = p; return;
+    default: break;
+  }
 
   #if ENABLED(DEBUG_GCODE_PARSER)
     const bool debug = codenum == 800;
diff --git a/Marlin/src/gcode/queue.cpp b/Marlin/src/gcode/queue.cpp
index 57d26dec78..70c2b3e0ce 100644
--- a/Marlin/src/gcode/queue.cpp
+++ b/Marlin/src/gcode/queue.cpp
@@ -188,7 +188,8 @@ void enqueue_and_echo_commands_P(PGM_P const pgcode) {
 
 #if HAS_QUEUE_NOW
   /**
-   * Enqueue and return only when commands are actually enqueued
+   * Enqueue and return only when commands are actually enqueued.
+   * Never call this from a G-code handler!
    */
   void enqueue_and_echo_command_now(const char* cmd) {
     while (!enqueue_and_echo_command(cmd)) idle();
@@ -196,6 +197,7 @@ void enqueue_and_echo_commands_P(PGM_P const pgcode) {
   #if HAS_LCD_QUEUE_NOW
     /**
      * Enqueue from program memory and return only when commands are actually enqueued
+     * Never call this from a G-code handler!
      */
     void enqueue_and_echo_commands_now_P(PGM_P const pgcode) {
       enqueue_and_echo_commands_P(pgcode);
diff --git a/Marlin/src/inc/Conditionals_post.h b/Marlin/src/inc/Conditionals_post.h
index b331c1c236..a20ab25a73 100644
--- a/Marlin/src/inc/Conditionals_post.h
+++ b/Marlin/src/inc/Conditionals_post.h
@@ -1619,7 +1619,7 @@
 // If platform requires early initialization of watchdog to properly boot
 #define EARLY_WATCHDOG (ENABLED(USE_WATCHDOG) && defined(ARDUINO_ARCH_SAM))
 
-#define USE_EXECUTE_COMMANDS_IMMEDIATE ENABLED(G29_RETRY_AND_RECOVER)
+#define USE_EXECUTE_COMMANDS_IMMEDIATE (ENABLED(G29_RETRY_AND_RECOVER) || ENABLED(GCODE_MACROS))
 
 #if ENABLED(Z_TRIPLE_STEPPER_DRIVERS)
   #define Z_STEPPER_COUNT 3
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index 9199b187fa..2fd385aad2 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -1962,3 +1962,7 @@ static_assert(COUNT(sanity_arr_3) <= XYZE_N, "DEFAULT_MAX_ACCELERATION has too m
 #if ENABLED(SD_FIRMWARE_UPDATE) && !defined(__AVR_ATmega2560__)
   #error "SD_FIRMWARE_UPDATE requires an ATmega2560-based (Arduino Mega) board."
 #endif
+
+#if ENABLED(GCODE_MACROS) && !WITHIN(GCODE_MACROS_SLOTS, 1, 10)
+  #error "GCODE_MACROS_SLOTS must be a number from 1 to 10."
+#endif
diff --git a/buildroot/share/tests/teensy35_tests b/buildroot/share/tests/teensy35_tests
index abfdc23f1c..185c960c1b 100755
--- a/buildroot/share/tests/teensy35_tests
+++ b/buildroot/share/tests/teensy35_tests
@@ -35,6 +35,7 @@ exec_test $1 $2 "Teensy3.5 with many features"
 restore_configs
 opt_enable EEPROM_SETTINGS \
            Z_PROBE_SLED AUTO_BED_LEVELING_LINEAR DEBUG_LEVELING_FEATURE
+opt_enable_adv GCODE_MACROS
 exec_test $1 $2 "Sled Z Probe with Linear leveling"
 
 #