diff --git a/pkgs/development/python-modules/cleanit/default.nix b/pkgs/development/python-modules/cleanit/default.nix
new file mode 100644
index 000000000000..7ce39e3392a5
--- /dev/null
+++ b/pkgs/development/python-modules/cleanit/default.nix
@@ -0,0 +1,64 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  pythonOlder,
+  nix-update-script,
+
+  # build dependencies
+  poetry-core,
+
+  # dependencies
+  appdirs,
+  babelfish,
+  chardet,
+  click,
+  jsonschema,
+  pysrt,
+  pyyaml,
+
+  # tests
+  pytestCheckHook,
+}:
+
+buildPythonPackage rec {
+  pname = "cleanit";
+  version = "0.4.8";
+  pyproject = true;
+
+  disabled = pythonOlder "3.9";
+
+  src = fetchFromGitHub {
+    owner = "ratoaq2";
+    repo = "cleanit";
+    rev = version;
+    hash = "sha256-z1QAWWm+yg/pRCQfPqGbL0EFFT9UwqIkwhmjUuRHyuk=";
+  };
+
+  build-system = [ poetry-core ];
+
+  dependencies = [
+    appdirs
+    babelfish
+    chardet
+    click
+    jsonschema
+    pysrt
+    pyyaml
+  ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  pythonImportsCheck = [ "cleanit" ];
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Command line tool that helps you to keep your subtitles clean";
+    homepage = "https://github.com/ratoaq2/cleanit";
+    changelog = "https://github.com/ratoaq2/cleanit/releases/tag/${version}";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ eljamm ];
+    mainProgram = "cleanit";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 27d706ce16a6..2c5cfa21c721 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2125,6 +2125,8 @@ with pkgs;
 
   clevercsv = with python3Packages; toPythonApplication clevercsv;
 
+  cleanit = with python3Packages; toPythonApplication cleanit;
+
   clickgen = with python3Packages; toPythonApplication clickgen;
 
   cloud-init = python3.pkgs.callPackage ../tools/virtualization/cloud-init { inherit systemd; };
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 425298993211..938bdfcb72a6 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2336,6 +2336,8 @@ self: super: with self; {
 
   clean-fid = callPackage ../development/python-modules/clean-fid { };
 
+  cleanit = callPackage ../development/python-modules/cleanit { };
+
   cleanlab = callPackage ../development/python-modules/cleanlab { };
 
   cleanvision = callPackage ../development/python-modules/cleanvision { };