add subtitles to video

Add subtitles to video online

Upload a clip or try the demo, generate subtitles from speech, correct the text and timing, then export the captions burned into the video. Use SubtitleRocket to place readable subtitles directly on an uploaded video in a browser editor. Review each caption line, try a visual template, and export a captioned MP4 ready for social posting. 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.

Classic WhiteTikTok PopPodcast Clip
Best for
  • hard subtitles that travel with the file
  • silent-feed videos
  • quick caption fixes before posting
Not built for
  • soft subtitle muxing
  • DVD or broadcast caption workflows
How it works
Inputs: MP4 video, MOV video, WebM video, spoken audio inside the uploaded clip.
Outputs: a captioned MP4 ready for social posting, 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 place readable subtitles directly on an uploaded video, then review the generated caption lines.
  3. Adjust wording, timing, and visual style before exporting.
  4. Download a captioned MP4 ready for social posting. Free exports include a small watermark; clean exports need a membership.

Prefer a step-by-step walkthrough? Read how to add subtitles to a video in five steps.

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 fita captioned MP4 ready for social posting

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.

Upload an MP4, MOV, or WebM clip, generate subtitles from its speech, correct the wording and timing, choose a readable style, and export the captioned MP4. You can try the complete workflow with the built-in demo before uploading your own video.

Yes. SubtitleRocket runs in a desktop browser. Your video file stays on your device while you edit; only extracted audio is sent for transcription when you generate subtitles from speech.

The MP4 export burns the subtitles into the picture, so they display everywhere, including platforms that ignore subtitle files. If you also need the text as a separate file, SRT and VTT downloads are included with Pro.

Related subtitle tools

Free subtitle generator for short videosGenerate AI subtitles for any videoBurn subtitles into your videoEdit subtitles online