Open-Source Video Translation / Speech Transcription / AI DubbingpyVideoTrans

AI Video Translation, Batch Transcription, Batch Dubbing Software

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Fully Automated Video Translation Process

Automatically transcribes video speech, translates subtitles, synthesizes voice dubbing, and compiles videos—all in one click to generate a new video with target language subtitles and dubbing.

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Flexible Features, Free Combination

Not only supports complete video translation but also functions as a standalone tool for speech transcription, subtitle translation, or dubbing. Each step supports local offline models and various third-party APIs.

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Free to Use, No Feature Restrictions

This software is completely free with no limitations. If you choose third-party APIs, you only pay for their services; the software itself charges nothing.

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Open-Source and Free, Rich Ecosystem

The project code is fully open-source on GitHub with detailed documentation. Supports all major local and online large models and offers extensive API interfaces for easy customization and expansion.

Demo: Chinese to English (Left: Original / Right: Translated)

Demo: English to Chinese (Left: Original / Right: Translated)