Overline: A Chrome extension for real-time AI captions and translation on any browser video
By
Mehdi
Yesterday's bagel, baked twice. Familiar and a bit tough.
Summary
Overline is a Chrome extension that provides real-time AI captions and live translation for any browser video with sub-second latency. Built by Mehdi, it streams audio directly rather than batching chunks, solving the 5-10 second lag common in other transcription tools. It works on YouTube, Netflix, Twitch, Zoom, and any browser tab, has attracted ~2,000 users since its Chrome Store launch, and requires no subtitles or tab switching.
Key quotes
· 3 pulledThe idea came from watching live news coverage with human interpreters doing real-time translation. They miss things, they slow down, and they're not available on a random YouTube video at 11pm.
Most transcription tools batch audio into chunks and upload them, you get a 5–10 second lag. Overline streams audio directly so captions appear as words are spoken.
It's been on the Chrome Store for a few weeks, ~2,000 users so far.
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