Use case
Twitch Live Translation & Real-Time Subtitles
Watch a Twitch stream with bilingual live captions translated from the tab audio, then save the transcript and export it as SRT, VTT or TXT.
TanLens translates a Twitch stream live while it plays in Chrome or Edge. The extension captures the stream tab, the speech recognizer writes down what the streamer says, and the translation appears under each line. When you stop, the transcript can be edited and exported instead of disappearing with the stream.
01Capture the stream tab, not the whole desktop
Open the channel on twitch.tv, start playback, and keep that tab active while you press Start in the TanLens extension. Tab capture keeps other browser audio out of the transcript, which matters if you have music or a call open in another tab. Set the source language to auto-detect if the streamer switches between languages, or lock it when you know the main language. Game audio, background music and stream alerts all reach the recognizer too, so quiet talking during loud gameplay is the hardest case for any caption tool.
02Keep a transcript after the stream ends
Twitch keeps VODs for a limited time, but it does not give you a translated transcript to edit. Saving the TanLens transcript lets you search for a quote, cut a clip around a specific line, or hand a summary to someone who missed the stream. Bilingual SRT works well for clip editing, VTT for a web player, and TXT for notes. TanLens does not record the video or bypass channel permissions; only the text you save is kept.
Frequently asked questions
Related pages
Put words on the screen tonight
Twenty free minutes a month, no card, no meeting bot. Start with your microphone, then add the extension for tab audio.