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SubTranslate - Complete Setup Guide for Stremio

SubTranslate Stremio addon logo

SubTranslate for Stremio

AI-translated synchronized subtitles, delivered as TV-compatible language tracks

What This Addon Offers

SubTranslate provides synchronized subtitle translations for Stremio using release-matched subtitles from OpenSubtitles and AI translation through Gemini.

How it works:

Searches OpenSubtitles for matching English subtitles and ranks them based on the video hash and/or release filename.

Preserves the original subtitle timestamps — only the subtitle text is translated.

Supports 37 target languages. English is currently the supported source language.

Completed translations are cached and can be reused for the same safely matched release, so previously translated subtitles can load instantly.

Outputs TV-compatible VTT subtitle tracks.

Setup:

OpenSubtitles credentials are required to find subtitle sources. A Gemini API key is only required when a new translation needs to be created.

Configure and install the addon at:

https://subtranslate.org/configure

Provider credentials are encrypted on the server and are never included in the addon manifest URL.

Key Information

  • Version: 0.2.1
  • Developer: johnstack
  • Language: Multilingual
  • Categories: subtitles

How to Install

  1. Make sure the official Stremio app is installed and you are signed in.
  2. Open the addon installation or configuration page.
  3. Review any requested options or third-party credentials before continuing.
  4. Select Install and approve the prompt in Stremio.
  5. Restart or refresh Stremio if the addon does not appear immediately.

Safety and Privacy Checks

  • This is a community addon and is not maintained by the official Stremio team.
  • Review the developer, source code, permissions, and privacy terms when available.
  • Never enter a Stremio password on an unrelated website.
  • Only use content and services you are legally allowed to access in your region.

Troubleshooting

If installation fails, update Stremio, disable network filtering temporarily, and open the configuration page in the same device profile where Stremio is installed. Addon availability can change because community services are independently hosted.

Source