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Convertir AVIF en WebP - Performance Web Optimale

Modernisez vos images. Convertissez AVIF en WebP pour une excellente compression et un support de navigateur plus large.

100% Private
Instant Speed
Bulk Support

Déposez les fichiers AVIF ici

Ou cliquez pour parcourir. Max 30 fichiers par lot. Max 10 Mo par fichier.

100% Sécurisé côté client

Comment convertir AVIF en WebP ?

1

Télécharger AVIF

Glissez-déposez vos fichiers .avif dans la zone ci-dessus.

2

Sélectionner le Format

Choisissez JPG, PNG ou WebP et ajustez les paramètres de qualité.

3

Télécharger

Obtenez vos images converties instantanément, individuellement ou en ZIP.

Pourquoi convertir AVIF en WebP avec AvifKit ?

Optimize your images for maximum web performance.

Client-side Privacy

Your images are converted entirely in your browser. No files are uploaded to any server – perfect for sensitive web assets.

Blazing Fast

Zero upload time. Zero download wait. Our WebAssembly engine handles the conversion instantly with full transparency support.

Web-Optimized Output

WebP offers excellent compression with transparency support. Control quality to find the perfect balance between file size and visual fidelity for your website.

See the Difference: AVIF vs WebP

Both are modern image formats with excellent compression. WebP offers broader browser support while AVIF provides slightly better compression ratios.

Converted (WebP)
Original (AVIF)
Original (AVIF)(292.2 KB)
Converted (WebP)(144.6 KB)
Original (AVIF): 292.2 KB
Converted (WebP): 144.6 KB
-51%

Drag the slider to compare image quality

When Do You Need to Convert AVIF to WebP?

Web Performance

WebP is supported by 97%+ of browsers. Use WebP images for fast-loading pages that work everywhere without requiring format fallbacks.

CMS & Platform Support

WordPress, Shopify, Squarespace, and most CMS platforms natively support WebP uploads. Convert your AVIF files for seamless content management.

CDN Optimization

Major CDNs like Cloudflare, Fastly, and AWS CloudFront serve WebP efficiently. Convert your AVIF assets to WebP for optimal CDN delivery.

Browser Compatibility

While AVIF requires Chrome 85+/Safari 16.4+, WebP works in Chrome 32+/Safari 14+. Convert to WebP for broader legacy browser support.

AVIF vs WebP – What's the Difference?

Both are modern formats. Here's how they compare.

FeatureAVIFWebP
CompressionSuperior (AV1-based)Very Good (VP8/VP9)
File Size10-20% smaller than WebPBaseline (modern)
TransparencyYes (alpha channel)Yes (alpha channel)
Browser SupportChrome 85+, Safari 16.4+Chrome 32+, Safari 14+
Encoding SpeedSlowerFaster
AnimationYes (AVIF sequence)Yes (animated WebP)
HDR SupportYes (10-bit, 12-bit)No (8-bit only)
Max ResolutionCodec-dependent16383 × 16383

Tool Specifications

Max File Size10 MB per file
Batch Limit30 files per session
Output FormatWebP (lossy/lossless)
Input FormatAVIF
Processing100% client-side (browser)
Quality Control10% – 100% adjustable
TransparencyPreserved (alpha channel)
CostFree, no registration required

Frequently Asked Questions

AVIF generally offers 10-20% better compression than WebP, but WebP has much broader browser support (97%+ vs ~93% for AVIF). For maximum compatibility, WebP is the safer choice.

Yes! WebP fully supports the alpha channel. Transparent areas in your AVIF images will be perfectly preserved in the WebP output.

Absolutely. Avifkit uses client-side processing technology. Your images are converted directly within your web browser memory and are never uploaded to any external server.

WebP is supported by Chrome 32+, Firefox 65+, Edge 18+, Safari 14+, and Opera 19+. This covers approximately 97% of global browser usage.

Yes! WebP is the recommended image format for modern websites. It's supported by all major browsers, CDNs, and CMS platforms. Use WebP to reduce page load times and improve Core Web Vitals.

Each file can be up to 10MB. Since processing happens entirely in your browser, larger files may take slightly longer depending on your device's performance.

Yes! Upload up to 30 AVIF files at once. Click Convert All, then download individually or as a ZIP. All conversions run in parallel.

For most web images, 75-85% quality provides excellent results with small file sizes. Use 90%+ for photography where detail matters. Use 60-70% for thumbnails and decorative images.

No. Avifkit is completely free with no registration, no watermarks, and no usage limits. Just open the page and start converting.

Avifkit.com est un convertisseur de fichiers en ligne gratuit qui vous permet de convertir facilement et rapidement des médias d'un format à un autre. Nous prenons en charge de nombreux formats source différents tels que AVIF, WEBP, HEIC, et des formats de sortie tels que JPG, PNG.

Convertir AVIF en WebP - Optimisé pour le Web | AvifKit