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Subtitle Burner

Burn SRT or VTT subtitles into a video with styled text.

Preview styled cues over the playing video, then burn them in. Export uses the image overlay path so ffmpeg needs no fonts.

No video selected.

You can also drop a file here.

No subtitle file selected.

You can also drop a file here.

Output
Awaiting output.

Status

What Subtitle Burner does

Subtitle Burner burns SRT or VTT cues into a video. Style the font, size, colors, outline, background, and position, then preview over the playing clip.

Export draws each cue to an image and composites with ffmpeg (the VID-011 overlay path), so ffmpeg needs no fonts or libass.

How to use it

  1. Choose a video and an SRT or VTT file.
  2. Scrub the preview to check cue timing and styling.
  3. Adjust font, size, colors, outline, background, and position.
  4. Select Burn subtitles, then download the MP4.

Formats and limits

  • Video: common formats the picker allows.
  • Subtitles: SRT and VTT.
  • Output: H.264 MP4 with burned-in cues. Audio is copied when present.

Settings explained

Position
Top, middle, or bottom band for the subtitle box.
Outline and background
Improve contrast on bright or busy scenes.

Privacy

Processing stays in this tab. Nothing is uploaded.

FAQ

Does this use the ffmpeg subtitles filter?

This build uses the image overlay path from Video Text and Watermark so results stay consistent without depending on libass in the wasm core.

Related tools

All processing runs locally in your browser. This tool is provided as-is without warranty. Keep backups of your original files before processing.

By uploading media, you confirm you own the content or have permission to modify it. Please read the Terms and Conditions.