PNG to ICO Converter
Convert PNG images to multiple sizes of ICO icon files quickly
Upload Image Files
Drag and drop or click to upload image files
Drag images here to upload
or click to select files
Enter Image URL
Enter image URL address for conversion
Select ICO Sizes
What is ICO file format?
ICO is a file format for computer icons in Microsoft Windows. ICO files contain one or more small images at multiple sizes and color depths, making them perfect for favicons, application icons, and Windows desktop icons.
Why convert PNG to ICO?
Converting PNG to ICO allows you to create multi-resolution icons that display clearly at different sizes. ICO format is essential for Windows applications, website favicons, and ensures optimal display across various platforms and devices.
What image formats are supported?
Our converter supports PNG, JPG, JPEG, WEBP, and GIF formats. PNG is recommended as it supports transparent backgrounds, which is ideal for creating professional-looking icons.
Are there file size limits?
Yes, individual files should be under 10MB and image dimensions should not exceed 3000x3000 pixels. For best results, we recommend using square images (equal width and height) at least 256x256 pixels.
Is my data secure?
Absolutely! All image processing happens locally in your browser. Your files are never uploaded to our servers, ensuring complete privacy and security. Images are processed in memory and automatically cleared after conversion.
What ICO sizes are available?
Our converter generates ICO files with multiple standard sizes: 16x16, 32x32, 48x48, 64x64, 128x128, and 256x256 pixels. You can select specific sizes or use preset templates for different use cases like Windows apps, web favicons, or PWA icons.
We are a team focused on image processing technology, dedicated to providing the highest quality PNG to ICO conversion service for developers, designers, and general users.
100% Free to Use
No registration required, no usage limits, completely free online conversion service
Privacy Protection
All conversions happen locally in your browser, files are never uploaded to servers
High Quality Conversion
Advanced algorithms ensure clarity and color accuracy of converted ICO files
Multi-Size Support
Generate multiple sizes in one conversion, meeting different application scenario needs
Lightning Fast
Optimized conversion algorithms, usually complete the conversion process within seconds
Cross-Platform Compatible
Supports all modern browsers, available on Windows, Mac, and Linux platforms
Our mission is to make complex image conversion simple, making professional technical services available to everyone who needs them.
If you have any questions or suggestions, please feel free to contact us
Your files are processed entirely locally in the browser, never uploaded to servers, protecting your privacy and security