Question 1

How do I compress a video for free?

Accepted Answer

Drag and drop your MP4 or WebM file, adjust the quality and resolution, and click Compress. The video is processed entirely in your browser — no upload to any server.

Question 2

What video formats are supported?

Accepted Answer

The tool supports MP4 and WebM input files. Output is WebM format (VP9/VP8 video codec with Opus audio), which plays in all modern browsers.

Question 3

Is my video data private?

Accepted Answer

Yes. All video processing happens in your browser using the WebM writer and MediaRecorder APIs. Your video never leaves your device.

Question 4

How much can I reduce video file size?

Accepted Answer

Typical compression reduces file size by 40-70% depending on the original quality and your chosen settings. Lower bitrate and resolution yield smaller files.