Free Online ICO Generator - ATools
Free online ICO Generator. Runs locally in your browser with zero uploads for privacy and speed.
Step 1: Select a Base Image
Square PNG or JPG images of at least 256×256 pixels with a transparent background are recommended for best results.
Runs completely locally in your browser
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Drag and drop an image here, or click to select file
Supports PNG, JPG, WebP and more. Recommended single image size under 30MB.