SRT to VTT Converter
Convert SRT subtitles to WebVTT online. Free, no signup.
Tool Interface
SRT input
WebVTT output
How to use
- Paste SRT subtitle text or upload a .srt file.
- Press Convert to WebVTT — timestamps are rewritten from 00:00:01,000 to 00:00:01.000 and the required WEBVTT header is added.
- Copy the result or download it as a .vtt file, ready for HTML5 video.
- If your file is already WebVTT, the tool tells you — no conversion needed.
100% private — conversion runs in your browser. Subtitle files never leave your device.
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About This Tool
Convert SRT Subtitles to WebVTT Format
The SRT to WebVTT Converter turns SRT subtitle files into valid WebVTT files for HTML5 video. Paste your SRT text or upload a .srt file, and the tool rewrites the timestamps from 00:00:01,000 to 00:00:01.000 format and adds the required WEBVTT header. Copy the result or download it as a .vtt file.
If your file is already WebVTT, the tool tells you so no conversion is wasted. The conversion runs 100 percent in your browser, so subtitle files never leave your device. It is free and needs no signup.
How to Use the SRT to WebVTT Converter
Three steps to WebVTT subtitles.
- Provide your SRT: Paste SRT subtitle text into the input box or upload a .srt file. Click Sample to try it with demo content.
- Click Convert to WebVTT: Timestamps are rewritten and the WEBVTT header is added.
- Copy or download: Copy the WebVTT output or download it as a .vtt file, ready for HTML5 video.
SRT Versus WebVTT
- Timestamp format: SRT uses commas (00:00:01,000). WebVTT uses periods (00:00:01.000).
- Header: WebVTT files must start with the WEBVTT line. SRT has no header.
- Where each is used: SRT suits desktop players. WebVTT is the standard for HTML5 video on the web.
- Already WebVTT: The tool detects valid WebVTT input and skips conversion.
Key Features
- Accurate conversion: Timestamps and structure rewritten to the WebVTT spec.
- File upload: Drop in a .srt file or paste text directly.
- Download ready: Save the result as a proper .vtt file.
- Smart detection: Warns you when input is already WebVTT.
- Private by design: Conversion runs in your browser. Files never leave your device.
Frequently Asked Questions (FAQ)
Is the SRT to WebVTT Converter free? Yes. It is completely free with no signup.
What is the difference between SRT and WebVTT? Both are subtitle formats. WebVTT uses periods in timestamps instead of commas and requires a WEBVTT header, and it is the standard for web video.
Will my subtitles still sync? Yes. Only the format changes. Timing stays exactly the same.
Are my subtitle files uploaded? No. The conversion runs entirely in your browser.
What players use WebVTT? All modern browsers with HTML5 video, plus many streaming platforms.
More Subtitle Tools
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