All free tools
Free browser tool
Free caption formatter and SRT to VTT converter
Clean transcript text, wrap captions for short-form video, normalize SRT timing, convert to WebVTT, and save the result without uploading anything.
Caption formatter
Clean, wrap, and convert captions
Turn rough transcripts into readable caption chunks, or convert SRT and VTT text without sending files to a server.
Output
Paste a transcript or SRT file here. CapzAi free tools format captions locally in your browser before you move into the full editor.
Use this before styling captions
Messy line breaks and subtitle timing formats can slow down an edit. This free caption formatter helps you clean the text layer before you move into a full caption editor.
Wraps transcript text
Converts SRT to VTT
Runs locally in the browser
Free tool FAQ
Can I convert SRT to VTT for free?
Yes. Paste SRT captions, choose Convert to VTT, then copy or save the WebVTT output.
Does CapzAi upload my captions?
No. This formatter runs in the browser and does not upload pasted text to CapzAi.