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LibreTranslate is a free and open-source machine translation API that is self-hosted, supports offline use, and is easy to set up.

It can be deployed locally for use. Starting from version 3.00, the video translation software supports its integration.

To use it, go to the software menu bar → Translation Settings → LibreTranslate API, fill in the API address and API key, and test for successful connection.

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Fill in the API URL

You can deploy it yourself and enter your locally deployed API URL, or use the official paid API address provided by LibreTranslate: https://libretranslate.com/translate.

If using the official address, you must provide a valid API key, which can be purchased from their official site: https://portal.libretranslate.com/.

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Local Deployment Method

For local deployment instructions, please refer to the official LibreTranslate documentation:

https://github.com/LibreTranslate/LibreTranslate?tab=readme-ov-file#install-and-run

OTT Translation

Earlier versions provided OTT offline translation. Click here to view.

LibreTranslate Open Source Repository: https://github.com/LibreTranslate/LibreTranslate

LibreTranslate Official API Service: https://libretranslate.com/

LibreTranslate API Key Purchase: https://portal.libretranslate.com/

Languages Supported by LibreTranslate: https://libretranslate.com/languages