AI Subtitle Generator in Browser | OpenSubs
Introduction
Transcribe, translate, style, and burn subtitles in your browser. No upload, no account, no watermark. OpenSubs is free and open source.
OpenSubs's Overview
OpenSubs is a free AI subtitle generator that runs in your browser and keeps video processing on your own device. It transcribes speech with Whisper, translates subtitles into 20 languages, lets you style captions with 12 presets, and can export SRT, VTT, ASS, or burn subtitles directly into an MP4. OpenSubs emphasizes privacy, with no upload, no account, no watermark, and an open-source AGPL-3.0 codebase. It also offers a browser extension, desktop app, and command-line tool for longer files, batching, or subtitles over videos already playing in a tab.
OpenSubs's Features
Browser-based AI subtitle generation
Local Whisper speech transcription
Translation into 20 languages
12 subtitle style presets with preview
Burn subtitles into MP4 using WebCodecs
Export SRT, VTT, and ASS files
Browser extension for subtitles over playing videos
Desktop app and command-line tool
Open source AGPL-3.0
OpenSubs's Q&A
OpenSubs's Pricing
Free for local browser-based transcription, translation on device, styling, exporting, and burning subtitles. Paid cloud translation on OpenSubs backend costs $5 for 1,000 credits. Credits never expire, job price is shown before running, and failed jobs cost nothing.
OpenSubs's Analytics
Website Overview
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