Upload any image (PNG, JPG, WEBP, SVG, or GIF) and convert it to ICO format with your choice of resolutions. Generate 16x16, 32x32, 48x48, 64x64, 128x128, and 256x256 pixel sizes for favicons, app icons, and desktop shortcuts — all processed securely in your browser.
Select any combination of 6 different icon sizes from 16×16 to 256×256 pixels.
Convert from PNG, JPG, WEBP, SVG, or GIF into a single ICO file with all selected sizes.
All conversion happens entirely in your browser with no server uploads or external dependencies.