Convert SRT to VTT Online
Free, private SRT to VTT converter. Your files never leave your browser. All processing happens locally on your device.
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FormatShift converts files directly in your browser. Your files never leave your device, so there's nothing to intercept or leak.
Instant Export
Files convert on your machine, so downloads are ready right away, even on slow connections.
High Fidelity
Good encoding keeps your files looking and sounding right, even at smaller sizes.
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How to convert SRT to VTT
Drop your SRT file
Drag your file onto the converter above, or click to browse your files. Your files stay on your device.
Automatic conversion
FormatShift converts your file right in your browser using WebAssembly. No server involved, so your data stays completely private.
Download your VTT file
Once the conversion finishes, click the download button and you are done. The converted file is ready to use.
Why convert SRT to VTT?
HTML5 video elements use WebVTT for subtitles. If you have an SRT file and want to show captions on a web page, you need to convert it to VTT format.
What is a SRT file?
SubRip Subtitle: SRT is the most common subtitle format. It's a plain text file with numbered entries, each containing a timestamp range and the subtitle text. Simple to create and edit by hand.
Created by: SubRip software project
Used for: Video subtitles, closed captions, movie and TV show subtitle files
Technical details: Plain text with sequential numbering, timestamp ranges (HH:MM:SS,mmm format), and subtitle text. No styling support in the base format.
Compatibility: Supported by virtually every video player (VLC, MPV, media centers) and most streaming platforms for upload.
What is a VTT file?
Web Video Text Tracks: VTT (WebVTT) is the web-native subtitle format. It's similar to SRT but adds support for styling and positioning. HTML5 video players use VTT for captions and subtitles.
Created by: W3C / WHATWG, part of the HTML5 specification
Used for: HTML5 video subtitles, web-based captions, accessible media
Technical details: Text-based format with timestamp ranges (HH:MM:SS.mmm format). Supports CSS-like styling, positioning cues, and chapter markers.
Compatibility: Natively supported by all modern browsers via the HTML5 track element. Desktop players vary.
SRT vs VTT
| Feature | SRT | VTT |
|---|---|---|
| Type | SubRip Subtitle | Web Video Text Tracks |
| Best for | Video subtitles, closed captions, movie and TV show subtitle files | HTML5 video subtitles, web-based captions, accessible media |
| Compatibility | Supported by virtually every video player (VLC, MPV, media centers) and most streaming platforms for upload. | Natively supported by all modern browsers via the HTML5 track element. Desktop players vary. |
| Pros | Simple, universal player support, easy to edit in any text editor | Web-native, styling support, chapter markers, accessibility features |
| Cons | No styling (bold, italic, positioning), basic timestamp format | Less universally supported than SRT by desktop video players |