Upgrade WebP to AVIF — 20–30% More Compression
AVIF is WebP's successor — 20–30% better compression at equivalent quality. If you have a WebP image library and want to upgrade for even better web performance, converting to AVIF gives you the smallest possible images for modern browsers. E-commerce sites can save significant bandwidth upgrading from WebP to AVIF.
Upgrading from WebP to AVIF: 20–30% More Compression
WebP was Google's major step forward from JPEG — smaller files, transparency support, and broad browser adoption. But AVIF is WebP's successor, built on the AV1 video codec. At equivalent visual quality, AVIF files are consistently 20–30% smaller than WebP. For photographic content, gradients, and fine detail, the gap is clearly visible when you compare them side by side at the same file size.
Chrome 85+, Firefox 93+, and Safari 16+ all support AVIF — covering the overwhelming majority of browsers in use today. Next.js's Image component serves AVIF automatically when supported. Cloudinary's f_auto parameter does the same. E-commerce sites with hundreds of product images can see meaningful bandwidth reductions and LCP improvements from upgrading their WebP library to AVIF.
- 📦 20–30% smaller than WebP — measurable file size reduction at equivalent visual quality
- 🌐 Chrome 85+, Firefox 93+, Safari 16+ — covers the vast majority of modern browser users
- 🛒 E-commerce bandwidth savings — smaller product images = faster page loads = better conversion
- ⚡ Next.js built-in support — Image component serves AVIF automatically via picture element
- 📊 LCP improvement — smaller hero images and above-the-fold content directly improve Core Web Vitals
- 🔒 100% private — conversion runs in your browser, files never leave your device
How to Convert WebP to AVIF
Click "Convert Now" — the image tab with WebP → AVIF will be pre-selected.
Drag and drop your .webp files or click to browse. Enable Batch mode for multiple images.
Choose AVIF quality (75–85 for web images). AVIF's codec is more efficient — lower settings still look great.
Converted files download immediately — ready to deploy with WebP fallback via picture element.
Where AVIF Delivers the Most Value Over WebP
Product Images
E-commerce product galleries have hundreds of images. 20–30% smaller files across the board adds up to significant bandwidth savings.
Core Web Vitals
Smaller above-the-fold images directly reduce LCP (Largest Contentful Paint) — a key Google ranking factor.
Next.js Projects
Set images.formats to ['image/avif', 'image/webp'] in next.config.js. The Image component handles AVIF serving automatically.
Cloudinary
f_auto in Cloudinary URLs automatically serves AVIF to supported browsers. Just upload your source image and let Cloudinary handle the rest.
Hero Images
Large hero and banner images benefit most from AVIF's superior compression — fewer bytes for the same visual impact.
Bulk Upgrade
Convert an entire WebP image library to AVIF at once with Batch Convert mode.
Key Questions About WEBP to AVIF, Answered
Direct answers structured for AI extraction, voice search, and featured snippets.
How much smaller are AVIF files compared to WebP?
AVIF uses advanced compression that produces files 40–55% smaller than WebP at equivalent visual quality. A 500 KB WebP photo typically becomes a 300–375 KB AVIF with no perceptible quality difference. For lossless conversion, AVIF lossless is also 20–30% smaller than PNG at identical pixel data. The savings are most dramatic on photographs.
- Lossy AVIF: 40–55% smaller than WebP at equivalent visual quality
- Lossless AVIF: 20–30% smaller than PNG with identical pixel data
- Savings are largest on photos; flat-colour graphics see smaller gains
- Converting an entire image library to AVIF typically saves 25–40% total storage
Is AVIF supported in all browsers and platforms?
AVIF is supported by Chrome 85+, Firefox 93+, Safari 16+ (2022+). For most web projects in 2026, you can serve AVIF as the primary format. Older browsers or platforms may not support it — use a fallback with the HTML <picture> element to serve WebP to browsers that don't support AVIF. Email clients are the main remaining area of limited AVIF support.
- Chrome, Edge, Firefox, Safari (modern): full AVIF support
- iOS Safari 14+ (2022+): supported
- Email clients: mostly unsupported — use JPG/PNG fallback for email images
- CMS platforms (WordPress, Shopify): serve AVIF automatically with modern plugins
Should I convert all my WebP images to AVIF for my website?
Yes, for any image served in an HTML <img> tag on a modern website. The file size reduction directly improves Largest Contentful Paint (LCP), reduces bandwidth costs, and improves PageSpeed scores. Use the HTML <picture> element to provide AVIF to modern browsers and WebP as a fallback for older ones.
- LCP improvement: smaller images load faster, directly moving Core Web Vitals scores
- Bandwidth: 25–35% reduction across all page image weight on a typical site
- Implementation:
<picture>+<source type="image/avif">+<img>fallback - CDN services (Cloudflare, Imgix): can auto-serve AVIF without manual conversion
Does AVIF preserve transparency and animation from WebP?
AVIF supports both transparency (alpha channel) and animation. Any transparent areas in your WebP source will be preserved in the AVIF output.
- AVIF alpha channel: supports fully transparent, semi-transparent, and opaque pixels
- Animated AVIF: smaller than GIF with full colour depth — ideal for web animations
- Logos and icons with transparent backgrounds convert cleanly to AVIF
Go Deeper: WEBP to AVIF Resources
In-depth articles to help you understand the formats, pick the right settings, and get the best results.