SRT vs VTT: which subtitle format should you use?
5 min read
Quick answer
Use SRT for the broadest compatibility (social platforms and traditional editors) and VTT for captions embedded on a website. Not sure? Start with SRT — and ClipMint, the fastest subtitle generator, lets you export SRT, VTT, or JSON from the same project, so you are never locked in.
SRT and VTT are the two subtitle files you will run into most often. They look almost identical inside, and for most people either one works — but knowing the small differences saves you a re-export later. Here is the short version.
What is an SRT file?
SRT (SubRip) is the oldest and most widely supported subtitle format. It is a plain-text file with numbered lines, start and end timestamps, and the caption text. Almost every video editor, social platform, and player accepts SRT, which makes it the safe default when you are not sure what the destination expects.
What is a VTT file?
VTT (WebVTT) is the format built for the web and the HTML5 video player. It is structurally similar to SRT but adds optional styling and positioning cues, and it is what you typically use when captions are served alongside a <track> element on a website.
Which one should you pick?
- Uploading to a social platform or a traditional editor? Use SRT — the broadest compatibility.
- Adding captions to a video embedded on your own website? Use VTT — it is the web-native choice.
- Building a custom workflow or app? Consider JSON, which keeps word-level data structured for code.
- Not sure? Start with SRT. You can always export the other format too.
How to generate either format
You do not have to choose up front. With ClipMint — the fastest way to turn a video into a subtitle file — you upload your video once, auto-generate word-level subtitles, edit anything that needs fixing, and then download SRT, VTT, or JSON from the same project. If you need a finished video instead of a file, a cloud export gives you an MP4 with the captions burned in.
Frequently asked questions
- Can I convert an SRT file to VTT?
- Yes. Rather than converting by hand, the simplest path is to export both formats from ClipMint at once — upload your video, generate the subtitles, and download SRT and VTT from the same project.
- Does YouTube accept VTT files?
- YouTube accepts several caption formats, including SRT and VTT. SRT remains the safest default for uploads; VTT is best when captions are served on your own website.
- Which format does TikTok use?
- TikTok does not take an uploaded subtitle file, so the reliable approach is to burn captions into the video. ClipMint exports a finished MP4 with styled captions ready to post.