FREE · PRIVATE · NO SIGNUP
Free online video compressor
Reduce video file size directly in your browser. Your video stays on your device and is never uploaded to our servers.
- 100% private, on-device processing
- No account required
- MP4 output
Video tools
Simple, private video tools so you can finish your work without uploading files.
Compress
Make a video file smaller directly in your browser.
Private, browser-based video compression
Yuelu Tools processes your video on your device with WebAssembly. The source file is not uploaded to a remote conversion server, which keeps private recordings and work files under your control.
The compressor converts the result to a broadly compatible MP4 file using H.264 video and AAC audio. Compression time depends on the video duration, resolution, and the speed of your device.
Choose the right quality level
Medium is the best starting point for most videos. High preserves more detail but produces a larger file, while Low reduces the resolution to 720p and favors a smaller result.
Video compression is a tradeoff between quality, file size, and processing time. Keep the original file until you have reviewed the compressed result.
Supported video files
The compressor accepts MP4, MOV, AVI, MKV, WebM, and FLV input files. The downloaded result is an MP4 file designed for common browsers, messaging apps, and media players.
Frequently asked questions
Are my videos uploaded?
No. Compression runs in your browser, and the selected video remains on your device.
Which quality setting should I use?
Start with Medium. Choose High when detail matters most, or Low when reducing file size is the priority.
What format will I download?
The compressed download is an MP4 file using H.264 video and AAC audio for broad compatibility.