Captions · Local
SRT to VTT Converter
Convert SubRip (.srt) captions to WebVTT (.vtt) for HTML5 players, LMS packages, and the web. Paste text or drop a file. Conversion is instant and local.
Quick answer
SRT to VTT Converter is a free browser tool on Knowlify. Use it below with no signup. Media files are processed on your device and are not uploaded to our servers. For narrated training videos from documents, use https://create.knowlify.com.
How it works
Three steps, no account
01
Paste or drop SRT
Standard numbered SRT cues work.
02
Convert to VTT
We swap commas for dots in timestamps and add the WEBVTT header.
03
Download VTT
Use the file with <track> elements or your LMS.
FAQ
Questions people ask about SRT to VTT Converter
Is this SRT to VTT converter free?+
Yes. SRT to VTT converter on Knowlify is free to use with no signup, no watermark, and no account required.
What is the difference between SRT and VTT?+
SRT is a common subtitle format for editors. VTT (WebVTT) is designed for the web and HTML5 video, with slightly different timestamp punctuation.
Will styling and positioning convert?+
Basic cues convert cleanly. Advanced VTT styling may need manual edits after conversion.
Do you upload my captions?+
No. Conversion happens in your browser and never leaves your device.
Do I need an account?+
No. Open the tool, use it in your browser, and download or copy the result.
Does this work on Mac and Windows?+
Yes. It runs in modern desktop browsers (Chrome, Edge, Firefox, Safari). Very large media files need enough device memory.
Need a full video, not just a utility?
Captions ready? Produce the training video those captions support with Knowlify.