Video to SRT
Create subtitle drafts from video files without uploading the source video.
What this tool is for
Extract spoken audio from video files and generate timed text for subtitle editing.
YouTubers, course creators, social video editors, agencies, and educators.
Supported formats
- MP4
- WebM
- MOV
- M4V
Common use cases
- YouTube subtitles
- Course captions
- Webinar clips
- Social video captions
Example workflows
Generate SRT from MP4
Upload an MP4 export and use the timestamped transcript as a subtitle draft.
Caption a webinar clip
Transcribe the webinar video, then shorten long transcript chunks into readable caption lines.
Prepare social captions
Use the draft transcript to create captions for vertical clips, reels, and short videos.
Tips for Better Results
- Use the original export instead of a compressed social repost.
- Keep caption lines short for mobile viewing.
- Review timing after trimming or editing video clips.
- If the video is huge, try exporting the audio track first.
Why use SuperTextHub?
Files are processed in your browser and are not uploaded to SuperTextHub. The tool is free, does not require an account, and supports transcript copy or download workflows.
Troubleshooting
The video file is too large
Export the audio track or split the video into shorter segments.
The browser cannot decode the video
Try MP4 or WebM, or export the audio as MP3 or WAV.
The captions need final formatting
Use the generated timed transcript as a draft and finalize it in your video editor.
Frequently Asked Questions
Can I create subtitles from MP4?
Yes. Upload the MP4 and use the timestamped transcript as a starting point for SRT subtitles.
Does the video upload to SuperTextHub?
No. The video is processed locally in your browser.
Can I use this for YouTube captions?
Yes. Review and format the subtitle draft before uploading it to YouTube or another platform.