diff --git a/pkgs/tools/misc/backdown/default.nix b/pkgs/tools/misc/backdown/default.nix
new file mode 100644
index 00000000000..e578b1ab429
--- /dev/null
+++ b/pkgs/tools/misc/backdown/default.nix
@@ -0,0 +1,27 @@
+{ lib
+, rustPlatform
+, fetchFromGitHub
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "backdown";
+  version = "1.1.1";
+
+  src = fetchFromGitHub {
+    owner = "Canop";
+    repo = "backdown";
+    rev = "v${version}";
+    hash = "sha256-w9EdDSGqmHRLXwx5qFo0BngKATKtQsieMt6dPgfOrQ0=";
+  };
+
+  cargoHash = "sha256-BOwhXq/xVuk3KylL3KeIkiIG3SXVASFiYkUgKJhMzuU=";
+
+  meta = with lib; {
+    description = "A file deduplicator";
+    homepage = "https://github.com/Canop/backdown";
+    changelog = "https://github.com/Canop/backdown/blob/${src.rev}/CHANGELOG.md";
+    license = licenses.mit;
+    maintainers = with maintainers; [ figsoda ];
+    mainProgram = "backdown";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index eb0deb3b59e..cdd3529afb1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -36976,6 +36976,8 @@ with pkgs;
 
   aperture = callPackage ../applications/blockchains/aperture { };
 
+  backdown = callPackage ../tools/misc/backdown { };
+
   balanceofsatoshis = callPackage ../tools/misc/balanceofsatoshis { };
 
   bitcoin  = libsForQt5.callPackage ../applications/blockchains/bitcoin {