Local video compression
Compress video locally in your browser.
Use a browser-based local compressor for short videos and private clips. Your selected source file stays on your device.
Local video compressor
Browser-based MP4 compression.
Your selected video is processed in this browser tab. It is not uploaded to a conversion server.
Ready.
Local processing, static website
This static site can load a tool in the browser and process selected files locally without a server-side upload pipeline.
Best settings and limits
Best first try
Start with 720p Balanced. Use 480p for stronger local compression on smaller devices.
When this may fail
Local processing is limited by your browser and device. Long 4K files can be slow or fail from memory limits.
Privacy boundary
The selected video file stays on your device while the tool creates the output.
Frequently asked questions
Is this a local video compressor?
Yes. The selected video is processed locally in your browser tab.
Is there a server upload upload step?
No. The static site does not upload your source file for conversion.
What files work best?
Short MP4, MOV, or WebM files are the safest first test.