Video Tools
Add Subtitles to Video
Burn SRT subtitles into video or type them manually.
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.
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About Add Subtitles to Video
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
Frequently Asked Questions
SRT or manual?
Removable?
Customize?
Uploaded?
Accuracy?
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