Offline Video Converter

Compress, convert, and extract audio from videos entirely in your browser — nothing sent to any server.

No Upload 100% Private Works Offline Free

Available video tools

Video Compressor
Reduce MP4 file size for faster sharing
→
MP4 to MP3
Extract audio from videos without uploading
→
MOV to MP4
Convert iPhone MOV videos to MP4 format
→

All processing happens in your browser.

Nothing is uploaded. Your videos never leave your device.

Frequently asked questions

Is this video converter fully offline?

Yes. All processing happens on your device using WebAssembly (FFmpeg). No upload required at any step.

Which video formats are supported?

We support MP4, MOV, AVI, and other common formats. Each tool page lists the exact formats it accepts.

Are my videos kept private?

Yes. Your files never leave your device, so nothing is stored or retained by anyone.