Compress av1

Download and install the latest version of Filestar.
Right click on one or more Av1 file(s) on your desktop and select Convert with Filestar.
Type compress in the search box.
Press Compress.

What is .av1?

Name: AOMedia Video 1
Extension: .av1
Format: Binary
Category: Video
Developer: Alliance for Open Media
Description: An open, royalty-free video coding format designed for video transmissions over the Internet.
MIME Type: video/av01
Sample: sample.av1
Wikipedia: .av1 on Wikipedia

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Last updated October 9, 2026