Mozilla says it's ready to add support for the AV1 codec to the Firefox browser. This video codec is already supported in Google Chrome and Microsoft Edge.
According to a recent update on Bugzilla, AV1 will be available in Firefox 100, which is scheduled for release on May 3rd.
AV1 is a free and open source video codec that is being actively considered as a replacement for the H.264/AVC codec currently used by most streaming services. It offers better compression efficiency (up to 50%) and improved image quality than its VP9 predecessors and H.264 and H.265 codecs. More efficient compression means lower battery consumption for portable devices such as tablets and laptops. Moreover, AV1 encoded content typically has higher quality and smaller file size than H.264 encoded content. Using the new video codec will significantly improve the quality of viewing with a slow Internet connection.
However, not every Firefox user will benefit from codec support. This is because the system must support AV1 hardware acceleration. Microsoft states that AV1 is supported on Windows 10 and 11 devices with the following system requirements: 11th Gen Intel Core processors with Intel Iris Xe Graphics, NVIDIA GeForce RTX 30 series GPUs, AMD Radeon RX 6000 series graphics.
In 2021, Mozilla included support for the AVIF (AV1 Image Format) image format by default in Firefox 86. It uses intraframe compression technologies from AV1. The advantage of the format is that images in AVIF are half the size of WebP and four times the size of JPEG.
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