Upload SRT, VTT, ASS, SBV, or SUB files and translate them into 30+ languages. Batch up to 20 files at once.
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Translate up to 20 files at once. Perfect for full series or multi-episode projects.
From Arabic to Vietnamese, with auto-detect for the source language.
SRT, VTT, ASS, SSA, SBV (YouTube), and SUB (SubViewer). ASS styling is preserved.
Lines are batched for speed. A full-length film translates in under a minute.
Files are parsed in your browser. Only the text content is sent for translation.
No account needed, no limits, no watermarks. Just open the page and go.
All major subtitle formats used in film, TV, web, and fan subtitling.
| Extension | Format | Description |
|---|---|---|
.srt | SubRip | The most common subtitle format. Simple numbered entries with timestamps and plain text. |
.vtt | WebVTT | The web standard for HTML5 video. Supports cue identifiers and optional styling. |
.ass | Advanced SubStation Alpha | Rich formatting with fonts, colours, and effects. Popular in anime. Styling is preserved. |
.ssa | SubStation Alpha | Predecessor to ASS with fewer styling options. Processed identically. |
.sbv | YouTube Subtitles | Used by YouTube Studio for subtitle uploads and exports. |
.sub | SubViewer | A text-based format used by some media players and editors. |
Translate between any of these. Source language can be auto-detected.
Yes. No sign-up, no limits, no watermarks.
No. Files are read in your browser. Only the text of each subtitle line is sent for translation. Timestamps and file structure stay on your machine.
Yes, up to 20 files at a time. All are translated into the same target language.
Yes. Formatting tags are stripped before translation and restored afterwards. Karaoke, positioning, and colours stay intact.
The tool uses multiple translation services with automatic fallback. If all fail, you get a clear error — no corrupted output.
It uses Google Translate, which is good for general-purpose translation. For professional subtitling, treat it as a starting point and review with a native speaker.
Yes. Export from YouTube Studio as SBV, upload here, translate, and re-upload to YouTube.
Translate subtitles for films and series that are not available in your language. Batch translate entire seasons at once.
Make your YouTube videos, courses, or presentations accessible to a global audience by translating subtitle files into multiple languages.
Translate ASS and SSA files while preserving complex formatting, karaoke effects, and positioned sign translations.
Translate educational video subtitles for language learning, accessibility, or sharing teaching materials across languages.
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