Drop PNG file here
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Supports PNG files only
100% Secure
All conversions happen locally in your browser. Your files never leave your device.
Lightning Fast
Instant conversion with no upload wait times. Process multiple sizes at once.
Completely Free
No limits, no watermarks, no sign-up required. Convert as many files as you need.
Frequently Asked Questions
What is an ICO file?
ICO is an image file format used for icons in Microsoft Windows. It can contain multiple image sizes and is commonly used for favicons on websites and application icons.
What sizes are included in the ICO file?
By default, the converter creates an ICO file with 16x16, 32x32, 48x48, and 256x256 pixel versions. You can customize which sizes to include using the options above.
Are my files uploaded to a server?
No! All conversion happens entirely in your web browser using JavaScript. Your files never leave your computer, ensuring complete privacy and security.
Can I convert transparent PNG images?
Yes! The converter preserves transparency (alpha channel) from your PNG files in the resulting ICO file.