An ICO file is an image file format for computer icons in Microsoft Windows. It is widely used for website favicons (the small icon in the browser tab).

What sizes are included?

You can select common sizes like 16x16, 32x32, 48x48, and up to 256x256 pixels to ensure your icon looks crisp on all devices.

Image Tools

Free ICO Converter

Convert your PNG, JPG, or WEBP images into ICO files instantly. Create perfect favicons for your website or desktop applications.

Upload Image

Click or Drag & Drop (PNG, JPG)

Max 5MB

Output Size

16x16

32x32

48x48

64x64

128x128

256x256

* 32x32 is standard for web favicons.

Image preview will appear here

Auto Resize

Windows Compatible

Client-Side

Workflow

Web Branding

Essential for Webmasters.

Developers

Favicon Setup

Simply upload your logo, convert it to 32x32 ICO, download it, and place it in your website's root directory. Add the link tag <link rel="icon" href="/favicon.ico"> to your HTML head.

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Professional finish.

FAQ

Frequently Asked Questions

Can I convert transparent PNGs?

Yes! Our converter preserves alpha transparency. Your favicon will look great on dark or light browser themes without a white box around it.

Is the conversion private?

Absolutely. The image processing happens entirely within your web browser using JavaScript. Your files are not uploaded to any server.

Free ICO Converter

Upload Image

Output Size

What is an ICO File?

Why use ICO for Favicons?

Recommended Sizes

16x16 pixels

32x32 pixels

Web Branding

Favicon Setup

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Frequently Asked Questions