FastDub is a Python package and CLI tool for automated video dubbing, subtitle translation, and audio ducking. It features dynamic voice changing mid-track, Tortoise-TTS support for realistic AI voice cloning, and seamless YouTube integration for downloading and uploading. Ideal for automating multi-language content generation and voiceovers.
FastDub is a Python package and CLI tool for automated video dubbing, subtitle translation, and audio ducking. It features dynamic voice changing mid-track, Tortoise-TTS support for realistic AI voice cloning, and seamless YouTube integration for downloading and uploading. Ideal for automating multi-language content generation and voiceovers.
Dub any video into another language and keep it in sync — no drift. Single-file Python CLI · per-speaker voices · 4 TTS + 5 translators · fully offline path · no API key · MIT
