diff --git a/pkgs/tools/filesystems/sdat2img/default.nix b/pkgs/tools/filesystems/sdat2img/default.nix
new file mode 100644
index 000000000000..44e884201d4a
--- /dev/null
+++ b/pkgs/tools/filesystems/sdat2img/default.nix
@@ -0,0 +1,26 @@
+{ stdenv, lib, fetchFromGitHub, python3Packages }:
+
+python3Packages.buildPythonApplication {
+  pname = "sdat2img";
+  version = "unstable-2021-11-09";
+
+  src = fetchFromGitHub {
+    repo = "sdat2img";
+    owner = "xpirt";
+    rev = "b432c988a412c06ff24d196132e354712fc18929";
+    sha256 = "sha256-NCbf9H0hoJgeDtP6cQY0H280BQqgKXv3ConZ87QixVY=";
+  };
+
+  format = "other";
+  installPhase = ''
+    install -D $src/sdat2img.py $out/bin/sdat2img
+  '';
+
+  meta = {
+    description = "Convert sparse Android data image (.dat) into filesystem ext4 image (.img)";
+    homepage = "https://github.com/xpirt/sdat2img";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.xaverdh ];
+    platforms = lib.platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b36f2f8da7f6..c9d5a8680a38 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9330,6 +9330,8 @@ with pkgs;
 
   sdate = callPackage ../tools/misc/sdate { };
 
+  sdat2img = callPackage ../tools/filesystems/sdat2img { };
+
   sdcv = callPackage ../applications/misc/sdcv { };
 
   sdl-jstest = callPackage ../tools/misc/sdl-jstest { };