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Add Subtitles to Video

Video Tools

Burn plain SRT or WebVTT captions into WebM with audio. Sources are limited to 30 MB and 120 seconds, with up to 60 seconds per export.

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Burn subtitles into video

MP4/MOV, WebM or MKV if your browser can decode it. Maximum 30 MB, 120 source seconds, 2,073,600 pixels and 60 seconds per export. A browser-decodable audio track is required. Recording runs in real time; keep this tab visible. Output is re-encoded WebM with audio, not a lossless cut. Cuts have frame-level timing tolerance.

Export burns plain caption text into frames. VTT positioning and inline markup aren't preserved.

Preview and burn plain SRT or WebVTT captions into a re-encoded WebM video with audio. Use a source up to 30 MB, 120 seconds and 2,073,600 pixels.

See more about the Add Subtitles to Video

A browser-decodable audio track is required. Each export covers up to 60 seconds and re-encodes to WebM in real time. Keep the tab visible. Recording stops with an error if audio and video fall out of sync.

Key features

  • WebM export with audio
  • Selected range up to 60 seconds

Quick answers for Add Subtitles to Video

What does this tool do?
Preview and burn plain SRT or WebVTT captions into a re-encoded WebM video with audio.
What should I know before using it?
Use a source up to 30 MB, 120 seconds and 2,073,600 pixels. A browser-decodable audio track is required. Each export covers up to 60 seconds and re-encodes to WebM in real time. Keep the tab visible. Recording stops with an error if audio and video fall out of sync.