AVIF

Photopea

Free online photo editor compatible with Adobe Photoshop (PSD). Supports 40+ formats including PNG, JPG, GIF, WebP, SVG, AVIF, and PDF. Features layers, masks, and AI-powered background removal. All processing runs locally in the browser.

Squoosh

Web-based image compression tool by Google Chrome Labs. Reduces file size while maintaining high quality. Supports formats like WebP, AVIF, JPEG, and PNG. All processing is done locally in the browser, keeping images secure on your device.

Blazing Fast Image Compressor (www.mach-tools.net)

A browser-based bulk image compression and resizing tool. Supports JPG, PNG, WebP, and AVIF, with options for WebP conversion, maximum width resizing, and bulk ZIP download. No registration required, completely free.