diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 6b088a78d8a..6395007fa9c 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -3764,6 +3764,12 @@
       fingerprint = "9B43 6B14 77A8 79C2 6CDB  6604 C171 2510 02C2 00F2";
     }];
   };
+  deemp = {
+    email = "deempleton@gmail.com";
+    github = "deemp";
+    githubId = 48378098;
+    name = "Danila Danko";
+  };
   deepfire = {
     email = "_deepfire@feelingofgreen.ru";
     github = "deepfire";
diff --git a/pkgs/development/tools/refmt/default.nix b/pkgs/development/tools/refmt/default.nix
new file mode 100644
index 00000000000..523d14b2a9a
--- /dev/null
+++ b/pkgs/development/tools/refmt/default.nix
@@ -0,0 +1,22 @@
+{ lib, fetchFromGitHub, buildGoModule }:
+
+buildGoModule rec {
+  pname = "refmt";
+  version = "1.6.1";
+
+  src = fetchFromGitHub {
+    owner = "rjeczalik";
+    repo = "refmt";
+    rev = "v${version}";
+    sha256 = "sha256-HiAWSR2S+3OcIgwdQ0ltW37lcG+OHkDRDUF07rfNcJY=";
+  };
+
+  vendorSha256 = "sha256-MiYUDEF9W0VAiOX6uE8doXtGAekIrA1cfA8A2a7xd2I=";
+
+  meta = with lib; {
+    description = "Reformat HCL <-> JSON <-> YAML";
+    homepage = "https://github.com/rjeczalik/refmt";
+    license = licenses.agpl3Only;
+    maintainers = with lib.maintainers; [ deemp ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 25c408635a4..48dc55d6d69 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -39797,6 +39797,8 @@ with pkgs;
 
   refind = callPackage ../tools/bootloaders/refind { };
 
+  refmt = callPackage ../development/tools/refmt { };
+
   spectra = callPackage ../development/libraries/spectra { };
 
   spectrojack = callPackage ../applications/audio/spectrojack { };