llm-subs is an open-source command-line tool that uses LLM agents to translate subtitles between any languages, preserving timing and ASS structure. It is designed for subtitle editors and translators who need accurate, automated translation workflows for media content.
llm-subs sits in PulseGate's Translation & localization category. It focuses on automating accurate subtitle translation between languages while maintaining original timing and formatting. llm-subs is an open-source project aimed at subtitle editors and translators. The project is open source (GPL-3.0). The product ships for the command line, and it can be self-hosted.
It is developed by azratul, and the product first shipped in 2026. The project is developed in the open on GitHub with 59 commits in the last 90 days. Across PulseGate's embedding index, llm-subs has few near neighbours, marking it as relatively distinct. Among its 5 catalogued features are subtitle translation, timing preservation, and ASS structure support.
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