Subtitles Burner
Permanently render SRT captions onto a video stream.
Media source
The first FFmpeg operation loads a 31 MB local WebAssembly engine. Large files require enough device memory to hold input and output.
Processing stays in this browser session. Nothing is uploaded by this tool.
Result
Caption rendering
What does Subtitles Burner do?
Burned-in captions display on every player and platform without needing a separate subtitle file. This tool renders SRT captions permanently onto the video.
Rendering runs locally with a WebAssembly engine, so both the video and captions stay on your device.
Common use cases
Step-by-step
How to use this tool
- 1
Add content to Subtitles Burner
Choose a supported video from your device.
- 2
Configure the result
Set the conversion or editing controls for the result.
- 3
Review and export
Run the local process, review the output, and download it.
Tips for a better result
- Start with a representative sample before running a large subtitles burner workflow.
- Keep the original input until you have checked the downloaded or copied result.
- Review quality, compatibility, and output size before publishing or sharing the result.
Keep working
Related workflows
Learn from primary sources
Trusted references
Use these standards and official guides when you need deeper technical detail.
FAQ
Common questions
Everything you need to know before processing your files.
Standard SRT subtitle files are supported and rendered onto the video frames.
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