Video Tools
Add Subtitles to Video
Burn SRT subtitles into video or type them manually.
Your files stay on your device - processed locally via WebAssembly, never uploaded
Drop a video file or click to upload
MP4, WebM, MOV, AVI, MKV
Your videos are processed locally in your browser. Nothing is uploaded to any server.
Embed this tool on your website
Copy this code to add the Add Subtitles to Video to your site for free. It runs entirely in your visitors' browsers - no API key, no usage limits.
<iframe src="https://optipix.art/embed/add-subtitles" width="100%" height="600" style="border:1px solid #e4e4e7;border-radius:8px;" title="Add Subtitles to Video by OptiPix" loading="lazy"></iframe> <p style="font-size:12px">Free tool by <a href="https://optipix.art/add-subtitles">OptiPix Add Subtitles to Video</a></p>
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About Add Subtitles to Video
Last updated: May 2026
OptiPix Add Subtitles burns subtitle text directly into video pixels. Upload a video and an SRT file, or type subtitles manually with timestamps. Customize font size and position. The subtitles are permanently embedded - they show in any player without separate subtitle files. Uses FFmpeg.wasm subtitles filter.
How It Works
FFmpeg.wasm -vf subtitles filter reads the SRT file and burns text into video frames at the specified timestamps.
Use Cases
- •Add captions for accessibility
- •Burn subtitles for social media
- •Add translations to video
- •Create subtitled tutorials
- •Ensure captions show everywhere
You Might Also Like
If you find Add Subtitles to Video useful, check out these related tools: Video Trimmer, Speech to Text, and Video Watermark. All tools run entirely in your browser with no uploads or signups required.
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Frequently Asked Questions
SRT or manual?
Removable?
Customize?
Uploaded?
Accuracy?
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