WhisperSubTranslate – Offline subtitle extractor and translator for any video file

Summary: WhisperSubTranslate is a portable desktop app that extracts subtitles from any video locally using whisper.cpp and can translate them via MyMemory, DeepL, OpenAI, or Gemini. It requires no installation or Python and supports automatic GPU/CPU fallback.

What it does

The app extracts subtitles offline from video files using whisper.cpp and optionally translates them through multiple translation services. It runs as a standalone executable without dependencies.

Who it's for

It is designed for users needing local subtitle extraction and translation without cloud services or complex setups.

Why it matters

It solves the need for fully local subtitle processing with flexible translation options and hardware fallback, avoiding cloud reliance and installations.