Free browser tool
Convert SRT to WebVTT
Convert timestamped SRT cues to WebVTT. Cue text stays unchanged and overlaps are reported.
Your file stays on this device. No upload, account or tracking.
Use the tool
Paste text or choose a UTF-8 file. Up to 200,000 characters. Requires indexed cues and HH:MM:SS,mmm timestamps.
Result
The preview may be shortened on screen. The download contains the complete result.
What this tool does
Convert strict SRT subtitles to WebVTT locally and flag overlapping cues.
Limits and safe use
Up to 200,000 characters. Requires indexed cues and HH:MM:SS,mmm timestamps. Keep the original file and review the output before using it elsewhere. This tool does not certify an import, infer missing meaning or send data to a model.