diff --git a/pkgs/by-name/im/imewlconverter/deps.nix b/pkgs/by-name/im/imewlconverter/deps.nix
new file mode 100644
index 000000000000..b4fd0f4ea255
--- /dev/null
+++ b/pkgs/by-name/im/imewlconverter/deps.nix
@@ -0,0 +1,21 @@
+# This file was automatically generated by passthru.fetch-deps.
+# Please dont edit it manually, your changes might get overwritten!
+
+{ fetchNuGet }:
+[
+  (fetchNuGet {
+    pname = "CSharpier";
+    version = "0.27.3";
+    hash = "sha256-9g5WA+ii6ovKVGwpTaNIhs/Oti9YLwd//UhbNbBkn8E=";
+  })
+  (fetchNuGet {
+    pname = "SharpZipLib";
+    version = "1.4.2";
+    hash = "sha256-/giVqikworG2XKqfN9uLyjUSXr35zBuZ2FX2r8X/WUY=";
+  })
+  (fetchNuGet {
+    pname = "UTF.Unknown";
+    version = "2.5.1";
+    hash = "sha256-9D6TqKSPsjzSly0mtUGZJbrNAJ7ftz9LJjWNwnnQMz4=";
+  })
+]
diff --git a/pkgs/by-name/im/imewlconverter/package.nix b/pkgs/by-name/im/imewlconverter/package.nix
new file mode 100644
index 000000000000..366700f9c416
--- /dev/null
+++ b/pkgs/by-name/im/imewlconverter/package.nix
@@ -0,0 +1,31 @@
+{
+  fetchFromGitHub,
+  lib,
+  buildDotnetModule,
+  dotnetCorePackages,
+}:
+
+buildDotnetModule {
+  pname = "imewlconverter";
+  version = "3.1.1";
+  src = fetchFromGitHub {
+    owner = "studyzy";
+    repo = "imewlconverter";
+    rev = "v3.1.1";
+    hash = "sha256-lrYqQWh+PZreJ6oJg+OCipiqUyfG/2moP/n+jR+Kcj8=";
+  };
+
+  projectFile = "src/ImeWlConverterCmd/ImeWlConverterCmd.csproj";
+  nugetDeps = ./deps.nix;
+
+  dotnet-sdk = dotnetCorePackages.sdk_8_0;
+  dotnet-runtime = dotnetCorePackages.aspnetcore_8_0;
+
+  meta = {
+    mainProgram = "ImeWlConverterCmd";
+    description = "FOSS program for converting IME dictionaries";
+    homepage = "https://github.com/studyzy/imewlconverter";
+    maintainers = with lib.maintainers; [ xddxdd ];
+    license = lib.licenses.gpl3Only;
+  };
+}