Browser FFmpeg recipe
Burn Subtitles into Video Online with FFmpeg
Render subtitles directly onto the video frames.
Command
Run this FFmpeg command
ffmpeg -i input.mp4 -vf subtitles=subtitles.srt -c:a copy subtitled.mp4When to use it
- hard subtitles
- social uploads
- captioned previews
How it works
- Upload the video and subtitles.srt file.
- Change the subtitle filename if needed.
- Run FFmpeg and download the subtitled video.
Option reference
| Option | What it does |
|---|---|
subtitles=subtitles.srt | Loads and renders the SRT subtitle file. |
-vf | Runs the subtitle video filter. |
-c:a copy | Copies the audio stream. |
Practical notes
- Subtitle filter support depends on the FFmpeg build.
- Burned subtitles cannot be turned off during playback.
FAQ
What are burned subtitles?
They are drawn into the video image instead of stored as a separate track.
Can I style subtitles?
Advanced styling usually needs ASS subtitles or extra filter options.