SRT vs VTT: which subtitle format should you use?
2026-09-18 · sipdigest.com blog
If you transcribe videos, you will eventually need subtitles — and the two formats you will see are SRT and WebVTT (VTT). They look almost identical. The differences are in compatibility and features.
What they have in common
Both are plain text: a cue number, a time range in HH:MM:SS,mmm (SRT) or HH:MM:SS.mmm (VTT) format, then the subtitle text. Both are supported by essentially every video player and editor.
SRT — the universal interchange format
SRT is the de facto standard. It is the safest choice for:
- Uploading subtitles to YouTube (converted internally), Vimeo, TikTok and most platforms
- Burning subtitles into a video with ffmpeg, Premiere, Final Cut or DaVinci
- Exchanging files between any tools — SRT is understood everywhere
SRT supports minimal styling: basic tags like <i> and <b> work in most players, but positioning and colors are not standardized.
VTT — the web-native format with styling
WebVTT is the browser standard — HTML5 <track> elements use VTT natively. It adds real features SRT lacks:
- CSS-based cue styling (position, color, background, font)
- Vertical text and positioning settings (
position,align,region) - Metadata cues and chapter navigation
If your subtitles live on the web — a custom player, a course platform, a streaming site — VTT is the natural format.
Which one should you use?
| Uploading to YouTube / social platforms | SRT (or VTT — most platforms convert both) |
| Burning into a video with an editor | SRT |
| Web player, custom styling, chapters | VTT |
| Maximum compatibility with unknown tools | SRT |
Getting both from one transcript
sipdigest.com exports your transcription as TXT, Markdown and SRT in one pass — and SRT converts to VTT in seconds with any converter (or by changing the header and the comma to a period in timecodes). Start from a YouTube, podcast or Twitch link: sipdigest.com, 3 free transcriptions daily.