Compress ICO to 200KB
Compress files to 200KB 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 optimizing assets for a US-hosted site on AWS, Cloudflare, or Vercel, trimming email attachments for Gmail and Outlook, or submitting documents to federal portals, this tool keeps your files lean and your workflow fast — all without uploading anything to a server.