Compress ICO to 50KB
Compress files to 50KB directly in your browser with no upload required.
Select ICO files
or drop files here
Maximum file size: 50MB per file
100% Secure
All processing happens in your browser. Your files never leave your device.
Super Fast
Process multiple files in seconds with our optimized browser-based tools.
High Quality
Keep your files clear and usable while reducing size or converting formats.
Compress, convert & crop images offline on iPhone - privacy-first, batch up to 200
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About ICO Compression
ICO (Icon) is the standard format for favicons and application icons. Our ICO compression tool optimizes these small but important files, ensuring fast loading times for your website favicons and app icons without sacrificing sharpness and clarity. Whether you are preparing bilingual English and French documents, submitting files to CRA and Service Canada, or collaborating cross-border with US teams, this tool keeps your files lean and aligned with Canadian privacy expectations — nothing leaves your device.