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Burn subtitles into video in your browser

Hardcode subtitles directly into your MP4 or WebM video frames so captions appear on every player, TV, and social feed without requiring separate subtitle files. All processing happens locally on your device.

How to use Burn Subtitles

  1. Select your video file.
  2. Choose your preferred subtitle font size and visual style.
  3. Click Burn Subtitles to embed captions into the frames.
  4. Download your finished video ready for publishing.
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Frequently Asked Questions

What does "burning" subtitles mean?
Burning (or hardcoding) permanently renders the subtitle text onto the video frames themselves, ensuring they display on any device, even if the player has captions disabled.
Will my video be sent to a server for transcription?
No. The entire process runs 100% on your local machine. Your files never leave your device.
Why are hardcoded subtitles popular on TikTok and Instagram?
A large percentage of viewers watch social videos with the sound off. Hardcoded subtitles grab attention immediately without relying on platform caption toggles.
Accepted formats: MP4, WEBM, MOV, MKV