ConvertMinify is a free online image toolkit that works entirely in your browser. Convert, compress, resize, and crop images instantly — your files never leave your device. 120+ tools supporting JPG, PNG, WebP, AVIF, GIF, BMP, TIFF, SVG, HEIC, and ICO. Batch processing, side-by-side format comparisons, and step-by-step how-to guides included. No uploads to servers. No signup. No watermarks. No file limits. Just fast, private image processing — powered by modern browser APIs.