Is AVIF better than WebP?

AVIF typically produces 20-30% smaller files than WebP at equivalent quality, but WebP has broader browser support. For most websites today, WebP is the safer choice. AVIF is worth considering if your audience primarily uses modern browsers.

Does AVIF support transparency?

Yes, AVIF supports alpha channel transparency, similar to PNG and WebP. It handles transparency efficiently with its advanced compression.

Which browsers support AVIF?

Chrome 85+, Firefox 93+, and Safari 16.4+ support AVIF. Edge support follows Chrome. Older browsers do not support AVIF natively.

WebP vs AVIF

A practical comparison of two next-generation image formats — one established, one emerging.

Which is better — WebP or AVIF?

WebP is the safer choice for most websites today — it offers excellent compression with universal modern browser support. AVIF produces smaller files (20-30% smaller than WebP) but has more limited browser support. For broad compatibility, use WebP with JPG fallback. For maximum compression with a modern audience, consider AVIF with WebP fallback.

Feature Comparison

Feature	WebP	AVIF
Compression	Lossy and lossless	Lossy and lossless
Transparency	Yes (alpha channel)	Yes (alpha channel)
Animation	Yes	Yes
HDR support	Limited	Excellent
Compression efficiency	Good (25-35% vs JPG)	Excellent (30-50% vs JPG)
Encoding speed	Fast	Slower
Browser support	All modern browsers	Chrome 85+, Firefox 93+, Safari 16.4+
Editor support	Widely supported	Growing but limited
Maturity	Established (since 2010)	Emerging (since 2019)

When to Choose WebP

You need broad browser compatibility
Your audience includes older browsers or devices
You want well-established tooling and editor support
Encoding speed matters (batch processing large numbers of images)
You want a significant improvement over JPG without adoption risk

When to Choose AVIF

Maximum compression is the top priority
Your audience primarily uses modern browsers
You need HDR or wide color gamut support
You can provide WebP or JPG fallback for older browsers
File size reduction directly impacts your use case (e.g., large image galleries)

Recommended Approach

For most websites, the practical approach is:

1. Serve WebP as the primary format

Broad support, good compression, well-understood tooling.

2. Use the <picture> element with fallbacks

Provide AVIF → WebP → JPG/PNG in order of preference.

3. Monitor browser support trends

AVIF support is growing. Revisit this strategy as support increases.

Frequently Asked Questions

Should I replace all WebP images with AVIF?

Not necessarily. WebP is still more widely supported and faster to encode. Consider AVIF as an additional format option alongside WebP, not a replacement. Use the <picture> element to serve the best available format.

Is AVIF lossless better than WebP lossless?

AVIF lossless can produce smaller files than WebP lossless, but the difference is smaller than with lossy compression. For lossless needs, the choice between WebP and AVIF lossless depends on your specific use case and browser support requirements.

When will AVIF have universal browser support?

AVIF support is already strong in modern browsers (Chrome, Firefox, Safari). The gap is primarily in older browser versions and some specialized environments. As browser auto-updates continue, AVIF support will become effectively universal for most audiences.

Try It Yourself

Convert your images to WebP or compare formats with our tools.

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Written by Image Tools Team

Published: 2026-08-15 · Updated: 2026-08-28

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