Skip to main content
The video compressor is a Professional feature. Upgrade your plan to access it.
The Video Downloader Plus video compressor reduces video file size directly in your browser. No uploads, no waiting on a server — compression runs locally using WebAssembly.

​
How to compress a video

1

Open the tool

Go to vidow.io/tools/compress.
2

Upload your video

Click Upload or drag a video file onto the page.
3

Choose your settings

Select a quality preset or set a target file size. Optionally scale down the resolution.
4

Compress

Click Compress. Processing runs entirely in your browser — no data is sent to any server.
5

Download the result

When compression finishes, download the compressed file.

​
Supported formats

​
Compression options

​
How it works

Compression runs locally in your browser using a WebAssembly build of FFmpeg. Your video file is never uploaded to any server. Processing speed depends on your device — modern computers handle typical files in under a minute.

Video Trimmer

Cut your video to the exact length you need before compressing.

Video to GIF

Convert short clips into animated GIFs.

Merge Videos

Join multiple video files into one before compressing.