VoiceKitOpen full workbench

Free online tool

Free online speech to subtitle

Free to use: upload media below to generate caption artifacts for YouTube, courses, and social clips.

When you need captions — not just a plain transcript — use speech-to-subtitle.

Upload media for captions

Drop a file, optionally set language, then generate timed subtitle outputs.

  • MP3
  • WAV
  • M4A
  • AAC
  • MP4
  • MOV
  • WEBM
  • MKV

جاهز للاستخدام المجاني على هذه الصفحة.

Supported formats

  • MP3
  • WAV
  • M4A
  • AAC
  • MP4
  • MOV
  • WEBM
  • MKV

Exports

  • SRT
  • VTT
  • Timed segments

How it works

  1. 1Upload video or audio
  2. 2Optionally set language
  3. 3Generate captions
  4. 4Download subtitle artifacts

Highlights

Timed captions

Aligned segments ready for publishing platforms.

Same ASR stack

Uses VoiceKit transcription — consistent with the workbench.

Next step ready

Continue into translation or dubbing when you need multilingual captions.

FAQ

Difference vs speech-to-text?

Speech-to-text emphasizes readable transcripts; this page emphasizes timed caption artifacts for upload.

Can I translate captions next?

Yes — open the video translator or workbench dub mode after you have timed subtitles.