ICO Compressor
Reduce ICO file size online. Free, no watermarks.
Initializing... drag & drop files here
Supports: ICO
Advanced Options - Our defaults are optimized for the best results. We recommend you keeping the defaults unless you have a specific need.
Reset to defaults
Need help?How to Compress ICO Files Online
- Upload Your ICO Files: Click "+ Add Files" to select files from your computer, Google Drive, or Dropbox.
- Choose Compression Settings: Set target file size or quality level.
- Download Compressed Files: Click "Compress" and download your smaller files.
Frequently Asked Questions
Is it free?
Yes. Completely free with no watermarks, no sign-up required, and no file count limits.
Does it work on mobile?
Yes. Works in any modern browser on all devices — no app installation required.