Compress video online

Reduce video file size by re-encoding at a lower bitrate. Same-format MP4 recompression and format conversion are both supported.

Click, or drop your video files here

Convert video files to MP4, WebM, AVI, MKV, and more

How to use this tool

  1. 1.Choose one or more videos and select the desired output format.
  2. 2.Choose a lower bitrate for a smaller file or a higher bitrate for more detail.
  3. 3.Convert and download each compressed video.

Private by architecture

Use a smaller bitrate for messaging, email, website uploads, and storage-limited devices. Results depend on source resolution and motion.

Processing runs inside your browser with WebAssembly. The selected media is not uploaded to Konverton, and the result stays on your device unless you choose to save it.