Free Tool

Format Converter

Convert between PNG, WebP, AVIF, and JPG. Quality control for lossy formats. Before/after file size comparison. All processing is local — no upload required.

Drop an image here

or click to browse — JPG, PNG, WebP, AVIF, HEIC

Format guide

PNG — lossless, supports transparency, largest file size. Best for screenshots, logos, and images with text.

WebP — lossy/lossless, supports transparency, 20–40% smaller than PNG at comparable quality. Best for web images.

AVIF — modern format, supports transparency, 30–60% smaller than PNG. Excellent quality. Best for modern browsers.

JPG — no transparency, universally compatible. Best for photographs without transparent backgrounds.