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Burn Subtitles into Your Video — Free, No Watermark

Permanently embed captions into your MP4 video with custom fonts, colors, and styles. Perfect for Instagram, TikTok, and YouTube where soft subs don't always work.

Only MP4 format is supported
Only VTT format is supported

How to use the Video Caption Burner

To burn captions into a video, upload your MP4 and its VTT subtitle file to BrentList's free caption burner, then click burn. The subtitles are rendered permanently into the video frames so they always show on any player. Download the captioned MP4. No signup is required.

  1. Upload your MP4 video Select the MP4 file you want to add permanent captions to.
  2. Upload your VTT subtitles Add the matching VTT subtitle file that contains your caption text and timings.
  3. Burn the captions Click burn to render the subtitles permanently into the video frames.
  4. Download the captioned video Download the MP4 with captions baked in, free and with no account.

Frequently Asked Questions

Upload your MP4 video file and VTT subtitle file, customize the caption style (font, size, color, background), and click Process Video. The tool will permanently embed the captions into your video file.

Our tool supports VTT (WebVTT) subtitle files. This is a widely-used format for web video captions. You can convert SRT files to VTT using free online converters if needed.

Yes! You can customize font family (Arial, Helvetica, Times New Roman, etc.), caption size (18px to 40px), text color (white, yellow, cyan, etc.), and background style (none, solid, shadow, or solid with shadow).

Burned-in (hard-coded) subtitles are permanently embedded into the video image and cannot be turned off. Soft subtitles are separate files that can be toggled on/off. Burned-in captions are ideal for social media where subtitle support varies.

The maximum video file size is 250MB. This is sufficient for most short to medium-length videos. For longer videos, consider compressing them first or splitting them into smaller segments.

Many social media platforms (Instagram, TikTok, Facebook) have inconsistent subtitle support. Burned-in captions ensure your message is visible even when videos autoplay without sound, increasing engagement and accessibility.

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