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Subtitle Converter (SRT ↔ VTT)
Convert between SubRip (.srt) and WebVTT (.vtt), and shift caption timing — all in your browser, nothing uploaded.
Drop a .srt or .vtt file or paste below
Processed on your device — not uploaded.
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FAQ
What is the difference between SRT and VTT?
SRT (SubRip) uses commas in timestamps and is widely supported by video players. VTT (WebVTT) uses periods and is the standard for HTML5 web video. This tool converts between them instantly.
Can I shift subtitle timing?
Yes. Enter a positive or negative number of seconds to move every caption earlier or later — useful when captions are out of sync.
Are my subtitle files uploaded?
No, everything is processed locally in your browser.