Image to AVIF Converter

Converts images to AVIF format, the newest image format based on AV1 video codec. AVIF offers 50% better compression than JPEG and 20% better than WebP, making it ideal for web optimization.

What is it used for?

Maximum image compression for web performance
Next-generation image format adoption
Reducing bandwidth costs for image-heavy sites
Creating the smallest possible image files

Step-by-Step Guide

Upload a JPEG, PNG, or WebP image
Adjust quality (1-100, default 50)
Click 'Convert to .AVIF'
Download the AVIF image

How it works

Upload an image, adjust quality, and click Convert. wasm-vips encodes using the AVIF format with your chosen quality level.

Tips & Best Practices

Quality 50 for AVIF is roughly equivalent to JPEG quality 80
AVIF encoding is slower than JPEG or WebP
Best for sites prioritizing bandwidth savings over encoding speed

Frequently Asked Questions

Is AVIF better than WebP?

Generally yes. AVIF offers about 20% better compression than WebP. However, encoding is slower and browser support, while growing, is slightly less universal than WebP.

What browsers support AVIF?

Chrome 85+, Firefox 93+, Safari 16+, and Edge support AVIF. Coverage is over 90% of global users.

How does AVIF compare to WebP?

AVIF offers 20% better compression than WebP on average, but encoding is slower. AVIF is based on AV1 video codec technology. Browser support is growing - Chrome, Firefox, and Safari 16.1+ support it.

Why is AVIF encoding slower?

AVIF uses the AV1 codec which prioritizes compression efficiency over speed. A typical image takes 2-5 seconds to encode in wasm-vips, compared to milliseconds for JPEG.

Privacy & Security

This tool uses wasm-vips (libvips compiled to WebAssembly). The WASM binary (~5MB) is downloaded on first use and cached by your browser. All image processing happens locally on your device - your images are never uploaded to any server. This makes it safe for sensitive, private, or confidential images.

Image to AVIF Converter

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