online subtitle editor

Edit subtitles online

Fix text and timing before export. Use SubtitleRocket to edit generated subtitle lines before exporting the video in a browser editor. Review each caption line, try a visual template, and export corrected captions with updated timing and styling. You can download a watermarked result for free before choosing Pro or Max.

Open the editorBrowse tools

Drop a video here

MP4, MOV, or WebM · up to 15 min free

Your video stays in the browser. Only the extracted audio is sent for transcription.

Free: 720p MP4 with a small watermark, 90 transcription minutes/month, no signup to start. Pro from $7/month: clean 1080p, SRT/VTT export. Your video file never leaves the browser - only the extracted audio is sent for transcription.

Styles made for this job

Previews use the export renderer; what you see is what gets burned into the MP4.

MinimalCaption BarPodcast Clip
Best for
  • fixing transcription mistakes
  • adjusting short captions
  • previewing subtitle templates
Not built for
  • frame-accurate professional subtitling
  • collaborative subtitle review
How it works
Inputs: MP4 video, MOV video, WebM video, spoken audio inside the uploaded clip.
Outputs: corrected captions with updated timing and styling, editable caption segments, free 720p watermarked download, 1080p clean export with a membership.
  1. Upload an MP4, MOV, or WebM file. The editor opens without forcing an account first.
  2. Use SubtitleRocket to edit generated subtitle lines before exporting the video, then review the generated caption lines.
  3. Adjust wording, timing, and visual style before exporting.
  4. Download corrected captions with updated timing and styling. Free exports include a small watermark; clean exports need a membership.
What you get
Concrete inputs, outputs, and export limits for this workflow.
AreaDetails
InputMP4 video, MOV video, WebM video, spoken audio inside the uploaded clip
Editable resultGenerated caption segments that can be corrected before export
Free export720p captioned MP4 with a small watermark
Clean export1080p no-watermark MP4 with a Pro or Max membership
Best format fitcorrected captions with updated timing and styling

FAQ

You can open the editor, generate captions, edit text, preview styles, and export with a watermark for free. A clean no-watermark 1080p export needs a Pro or Max membership.

No. You can start in the editor first. Sign in with a one-time email code when you want a membership, account recovery, or a clean export.

SubtitleRocket is built for MP4, MOV, and WebM short clips up to 15 minutes. The workflow is tuned for TikTok, Reels, Shorts, podcast clips, and talking-head videos.

Yes. Generated caption lines are editable, and you can switch visual templates before downloading the final video.

Select a caption block on the timeline and drag it to move it, or drag its edges to change when it starts and ends. Merge short captions can also combine choppy fragments into readable lines automatically.

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