diff --git a/pkgs/applications/misc/ff2mpv/default.nix b/pkgs/applications/misc/ff2mpv/default.nix
new file mode 100644
index 000000000000..b26e09012cf5
--- /dev/null
+++ b/pkgs/applications/misc/ff2mpv/default.nix
@@ -0,0 +1,34 @@
+{ lib, stdenv, fetchFromGitHub, python3, mpv }:
+
+stdenv.mkDerivation rec {
+  pname = "ff2mpv";
+  version = "4.0.0";
+
+  src = fetchFromGitHub {
+    owner = "woodruffw";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-sxUp/JlmnYW2sPDpIO2/q40cVJBVDveJvbQMT70yjP4=";
+  };
+
+  buildInputs = [ python3 mpv ];
+
+  postPatch = ''
+    patchShebangs .
+    substituteInPlace ff2mpv.json \
+      --replace '/home/william/scripts/ff2mpv' "$out/bin/ff2mpv.py"
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin $out/lib/mozilla/native-messaging-hosts
+    cp ff2mpv.py $out/bin
+    cp ff2mpv.json $out/lib/mozilla/native-messaging-hosts
+  '';
+
+  meta = {
+    description = "Native Messaging Host for ff2mpv firefox addon.";
+    homepage = "https://github.com/woodruffw/ff2mpv";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ Enzime ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index dde202793972..4b9f6e717444 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -26074,6 +26074,8 @@ with pkgs;
 
   fetchmail = callPackage ../applications/misc/fetchmail { };
 
+  ff2mpv = callPackage ../applications/misc/ff2mpv { };
+
   fff = callPackage ../applications/misc/fff { };
 
   fig2dev = callPackage ../applications/graphics/fig2dev { };