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

Frequently Asked Questions

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.

About Us

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