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SRT to VTT converter

This free SRT to VTT converter changes a subtitle file from one format to the other: SubRip (.srt) to WebVTT (.vtt) or the reverse. It runs entirely in your browser, so your file is never uploaded anywhere. Paste your captions or drop the file below, and download the converted result.

Your file is processed entirely in your browser and never uploaded.

How to use it

  1. Paste your caption text into the box, or drop your .srt or .vtt file onto it.
  2. The tool auto-detects the format and converts to the other one.
  3. Check the result, then download the converted file.

Need the captions in the first place? FastScribe turns your own audio or video file into an SRT or VTT caption file: upload it and download timed captions.

Transcribe with FastScribe →

Frequently asked questions

What is the difference between SRT and VTT?

Both are plain-text caption formats with the same job: timed lines of text. SRT (SubRip) uses a comma before the milliseconds and numbered cues; VTT (WebVTT) starts with a WEBVTT header, uses a period before the milliseconds, and is the format web video players expect. This tool handles the conversion in both directions.

Is my subtitle file uploaded to a server?

No. The conversion happens entirely in your browser using JavaScript, so your file never leaves your device. You can even disconnect from the internet after the page loads and it will still work.

Will converting change my caption timing or text?

No. Converting between SRT and VTT only changes the format around each cue: the start time, end time, and the text of every caption are preserved exactly. Only the millisecond separator and the header differ between the two formats.