Convert to WebVTT
Convert text-based subtitle files to WebVTT. Supports SRT, VTT, WebVTT, ASS, SSA, SMI, MicroDVD SUB, MPL2 SUB, and TXT with subtitle timings.
Convert to WebVTT
Convert text-based subtitle files to WebVTT. Supports SRT, VTT, WebVTT, ASS, SSA, SMI, MicroDVD SUB, MPL2 SUB, and TXT with subtitle timings.
| Output | Size | Actions |
|---|---|---|
| sample.vtt | 137 chars |
About this convert to webvtt
Convert to WebVTT turns text-based subtitle files into the .vtt format that browsers and HTML5 video players expect. It accepts SRT, existing VTT, ASS, SSA, SMI, MicroDVD and MPL2 SUB, and timed TXT, and rewrites the cues into WebVTT while keeping the timings.
WebVTT is the web's native caption format and supports positioning and styling features that SRT does not, which is why course platforms, help centres, and web players ask for it. After converting, scan the first few cues to confirm the timing and text carried over cleanly before publishing.
Common uses
- Convert SRT captions to WebVTT before using them with HTML5 video or web players.
- Prepare caption files for online courses, product videos, help centers, and embedded media.
- Cleanly move subtitle text into a browser-friendly format before reviewing timing and cue text.
Helpful tips
- Preview captions after conversion because WebVTT players can handle styling and positioning differently
- Keep a copy of the original SRT before editing timings
- Use UTF-8 text when possible to avoid broken characters
How to use Convert to WebVTT
- Upload or paste the subtitle file you want to handle with Convert to WebVTT.
- Confirm the source format, cue order, encoding, and timing style before making changes.
- Run the conversion, cleanup, timing shift, merge, or edit action with a small timing check in mind.
- Preview captions near the beginning, middle, and end of the video to catch drift or formatting issues.
- Export the subtitle file in the format your video editor, player, or publishing platform expects.
Frequently asked questions
How do I convert SRT to VTT?
Upload or paste the SRT subtitle file, convert it to WebVTT, then download the VTT file for your web video player or publishing workflow.
When should I use WebVTT instead of SRT?
Use WebVTT when a browser, HTML5 video player, course platform, or web caption workflow asks for .vtt files.
Is Convert to WebVTT free, and does it work on mobile?
Yes. Convert to WebVTT is free to use on JustBloc with no account or installation, and the page is designed to work on desktop, tablet, and mobile browsers.