WebP to AVIF Converter
Convert WebP to AVIF and compare file sizes for images on your website. Convert locally in your browser without uploading images.
Images are processed on your device
Conversion formats: WebP → AVIF
Changing formats opens another page. Selected images are not carried over.
Choose WebP images
You can also drag images here. (multiple files)
Settings
Adjust dimensions and Exif as needed. Quality controls are available for formats other than PNG.
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Files
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About this conversion
Re-encoding may increase the size or change edges and gradients. Compare the output with the WebP source.
Frequently asked questions
Should I replace all WebP images with AVIF?
Try representative photos and illustrations first. Check the size, appearance, and support in your publishing system before replacing files.
Is my original file overwritten?
No. Download the converted image as a separate file, or save multiple results together in a ZIP.
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