Compress AVI

Compress AVI file online free. Reduce AVI file size without watermark.

Drop it like it's hot

Add your files by dropping them in this window

Drag & Drop or Hit to Add File

Online UniConverter (originally Media.io) allows you compress AVI online and free with easy steps. It's the best AVI video compressor to reduce AVI file size without losing quality at a super fast converting speed.

Best AVI Compressor Without Losing Quality

Unlimited AVI Compressor on Your Desktop

Free Download for Desktop

Switch to Mac

Free Download for Desktop

Switch to Windows

0 second waiting for uploading and downloading.

1000+ video/audio formats supported for compression.

30X faster than any AVI compressor.

Batch compress AVI at one time.

Unlimited video downloading and converting to AVI.

How to Compress AVI Online With 3 Easy Steps?

Add AVI file you want to compress.

Customize AVI settings and click COMPRESS.

Download compressed AVI file or save to Dropbox.

Why Choose Online UniConverter to Compress AVI?

Easy to Use, Convenient to Share

Online UniConverter (originally Media.io) allows you to compress AVI via a web browser on Windows, Mac, and Linux systems without downloading and installing.
You can easily download or save compressed AVI file to Dropbox for sharing on Facebook, YouTube, Instagram, and more.

Any Input Resolutions & Formats

You can compress AVI online free in any resolution including 4K, 1080p, 720p, 480p, 360p, 240p, and other non-standard options.

Smart Output Settings

Smart AVI video compressor to reduce AVI file size with one click, further customization like video resolution, output size, and format are also available.

No Watermark Added, No File Limits

Compress AVI without any watermark added, you can reduce AVI size one by one without quantity limit after sign up.

Privacy security

Online UniConverter (originally Media.io) is a secure HTTPS (SSL) connection website, so you can securely upload your AVI files.
All the uploaded and compressed AVI files are automatically removed from our serves after a few hours.

Many Output Resolutions & Formats

Online UniConverter (originally Media.io) can compress AVI online by changing video resolution and format.
Resolution like 1080p, 720p, 480p, 360p, 240p, and 144p are supported, and available video formats including MP4, MKV, MPG, WMV, MOV, M4V, 3GP, FLV and WebM.