What is AV1?

Definition AV1 is an open, royalty-free video codec developed by the Alliance for Open Media.

Who made it and why AV1 was designed by major industry members (AOMedia) to provide high compression efficiency for web and streaming delivery without per-stream royalty complexity.

Why teams adopt AV1

• Better compression efficiency than many older codecs
• Strong fit for web delivery and bandwidth-sensitive workflows
• Growing browser and hardware support

Compatibility caveat Encode/decode availability depends on browser version, hardware acceleration, and OS support.

Use it in Subclip Use AV1 conversion routes when you need smaller outputs with modern codec efficiency, then fall back to MP4/H.264 for maximum compatibility.

Related converters MP4 to AV1, AV1 to MP4.

Related FAQs How do I open AV1 files?, AVI vs AV1: what is the difference?.