WebP to AVIF Converter
Convert WebP images to AVIF online for free. 100% private browser conversion — no server upload.
Drop images here
JPG, PNG, WebP, HEIC, GIF, BMP, AVIF, TIFF, ICO
Up to 10 files · 25 MB each · 80 MB total
Files stay on your device100% Private
Conversion runs locally in your browser — files never leave your device.
Batch Convert
Convert up to 10 images at once and download everything as a ZIP.
Lossless Options
Choose quality per file or apply a global setting across your batch.
How to
How to Convert WebP to AVIF
- Click "Choose Files" and select your WebP images.
- Confirm "AVIF" as the output format (pre-selected on this page).
- Click "Convert to AVIF" and download your converted files.
Formats
About these image formats
What is WebP?
WebP is a modern image format developed by Google. It offers 25–35% smaller file sizes than JPG or PNG at similar quality, with support for both lossy and lossless compression.
How to open: WebP is supported in Chrome, Firefox, Safari 14+, and Edge. Older software may require conversion to JPG or PNG.
Best for: Use WebP for faster website loading and reduced bandwidth. Convert to JPG when you need maximum compatibility.
What is AVIF?
AVIF (AV1 Image File Format) is a next-generation image format with excellent compression. AVIF files are often 50% smaller than JPEG at similar quality.
How to open: AVIF is supported in Chrome, Firefox, Safari 16+, and Edge. Older software may require conversion to JPG or PNG.
Best for: Use AVIF for modern websites and apps. Convert to JPG when you need universal compatibility.
FAQ
Frequently asked questions
Are my files uploaded to a server?
No. ImageConverter runs entirely in your browser. Your files never leave your device — you can verify this in your browser's network tab.
Is WebP to AVIF conversion free?
Yes. ImageConverter is free with no signup, no watermarks, and no file limits beyond your device's memory.
Can I convert multiple WebP files at once?
Yes. Add multiple files and convert them in one batch. Each converted AVIF file can be downloaded individually.
Which browsers are supported?
ImageConverter works in Chrome, Firefox, Safari, and Edge. WebP output requires a modern browser with WebP encoding support.