: Maintains high visual fidelity even at very low bitrates, making it the choice for 4K/8K streaming.
AV1 is currently the most advanced open-source video codec, designed to replace older standards like H.264 (AVC) and H.265 (HEVC).
: Delivers ~30% better compression than H.265 and up to 50% better than H.264.
How to make web videos way smaller in 2025 using the AV1 codec