Free Online ICO Image Converter
Convert your images to ICO format quickly and easily—no registration, no watermarks, and 100% free. Supports bulk conversion and high-quality output for all your image needs.
Start Converting to ICOICO Conversion Tool
ICO Conversion Settings
Important Note:
Please use square (1:1 aspect ratio) images for best ICO results. Our tool will optimize icons for all standard sizes.
Why Choose Our ICO Converter?
100% Free
No hidden costs, no subscription fees, and no limits on the number of conversions for ICO files.
High Quality
Preserve image quality while converting to ICO—no pixelation or compression artifacts.
Bulk Conversion
Convert multiple images to ICO at once, saving you time and effort.
No Registration
Start converting to ICO immediately—no email sign-up or account creation required.
Secure & Private
All uploaded files are deleted after conversion—your ICO files stay private.
Cross-Platform
Works on Windows, Mac, Linux, iOS, and Android—no software installation needed.
Frequently Asked Questions
How long does it take to convert an image to ICO?
Most images convert to ICO in less than 10 seconds, even large files. Bulk conversions may take a bit longer depending on the number and size of files.
What image formats can I convert to ICO?
Our tool supports all major input formats including JPG, PNG, WEBP, GIF, BMP, and TIFF. All can be converted to high-quality ICO files.
Is there a limit to the file size for ICO conversion?
We support files up to 100MB per image for ICO conversion. For bulk uploads, the total size limit is 1GB to ensure fast processing.
Will converting to ICO reduce image quality?
Our conversion algorithm preserves the original image quality as much as possible. For ICO (especially ICO), we optimize for the format's specific requirements without unnecessary quality loss.
Are my files kept private after ICO conversion?
Yes. All uploaded files and converted ICO files are automatically deleted from our servers after 1 hour. We never share your files with third parties.