Web photosDepends
AVIF for newer browsers, WebP for wider reach
AVIF often beats WebP at low bitrates while WebP has longer support.
WebP vs AVIF
Next-generation web image formats compared for compression, transparency, and tooling.
Practical notes
AVIF often produces the smallest photo files but costs more CPU to encode.
WebP has broader production tooling and a longer browser-support track record.
Criteria
WebP
AVIF
File size & compression
Lossy or lossless
Lossy or lossless
Transparency
Supported
Supported
Animation
Supported
Supported
Editing
Full editing in modern image tools
Encoding and decoding in modern image tools
Openness
Open
Open
Browser support
All modern browsers
All modern browsers since 2022
Typical uses
Web images, Animated web graphics, Photos with transparency, Responsive image pipelines
Compressed web photos, HDR images, Modern responsive images, Photo-heavy interfaces
Limitations
Older browsers require fallbacks, Encoding can be slower than JPEG for photos, Some desktop tools lag in support
Encoding is CPU intensive, Not supported by some older devices, Tooling is newer than WebP
Attribute values come from the reviewed records on each format page.Read the methodology for source and review rules.
Use-case verdicts
Winners are conditional. A format wins only when the stated condition matches your workflow.
Web graphicsDepends
Both support transparency; pick the format your pipeline encodes best
Feature parity is high for static graphics.
AnimationWebP
Established animated WebP support across browsers
WebP animation has broader production support today.
ArchivingDepends
Neither is archival-grade; use PNG for pixel archives
Both are modern web formats with evolving tooling.
EditingWebP
Round-trip editing in common tools
WebP has wider editing support than AVIF today.