Image Tools7 min readMarch 21, 2026

How to Convert PNG to ICO Online Free — Create Favicon Icons

Quick Answer:
You can convert PNG to ICO online for free using the PNG to ICO tool on EasyTools24. Simply upload your PNG image, select the favicon sizes you need, and download the ICO file ready for your website. The conversion happens entirely in your browser — your files are never uploaded to any server.

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What Is a Favicon and the ICO Format?

A favicon is the small icon displayed in browser tabs, bookmarks, history listings, and search results next to your website's name. It is an essential part of website branding — it helps users quickly identify your site among many open tabs.

The ICO format is the traditional file format for favicons. Unlike PNG or JPG, an ICO file can contain multiple image sizes bundled together (16x16, 32x32, 48x48, etc.), allowing the browser to pick the best size for each context. While modern browsers also support PNG favicons, ICO remains the most universally compatible format.

Why Convert PNG to ICO?

Converting your PNG logo or icon to ICO format is necessary for several reasons:

1. Maximum Browser Compatibility

The ICO format is supported by every web browser, including older versions of Internet Explorer that do not support PNG favicons. Using ICO ensures your favicon appears correctly for all visitors.

2. Multiple Sizes in One File

An ICO file can embed several image sizes (16x16 for tabs, 32x32 for taskbars, 48x48 for desktop shortcuts). Browsers automatically select the appropriate size, ensuring your icon always looks sharp.

3. Professional Website Appearance

A website without a favicon shows a generic browser icon. Adding a custom favicon makes your site look professional and trustworthy. It improves brand recognition and user experience.

4. SEO and Branding Benefits

Google displays favicons in mobile search results next to your site's URL. A recognizable favicon increases click-through rates and reinforces your brand identity across the web.

How to Convert PNG to ICO Online — Step-by-Step Guide

Create your favicon ICO file in seconds using EasyTools24:

Step 1: Open the PNG to ICO Tool

Navigate to the PNG to ICO converter in any browser. No installation, registration, or design software required.

Step 2: Upload Your PNG Image

Drag and drop your PNG logo or icon into the upload area. For best results, use a square PNG image (e.g., 512x512 pixels) with a transparent background.

Step 3: Select Favicon Sizes

Choose which icon sizes to include in the ICO file. Standard sizes are 16x16, 32x32, and 48x48 pixels. The tool automatically resizes your image to each selected dimension.

Step 4: Download Your ICO File

Click Convert and download the generated ICO file. Upload it to your website's root directory as favicon.ico, and browsers will display it automatically. Your image never left your device — 100% private.

Tips for Creating Great Favicons

Start with a Square Image

Favicons are always square. Start with a 512x512 or 256x256 pixel PNG for the best quality when the tool scales it down. Non-square images will be cropped or distorted.

Keep It Simple

Favicons display at very small sizes (as tiny as 16x16 pixels). Complex logos with fine details become unreadable at this scale. Use a simplified version of your logo or a single letter/symbol.

Use a Transparent Background

A transparent PNG background produces a clean favicon that works on any browser theme (light or dark mode). Avoid opaque white backgrounds that create a visible box around your icon.

Test at Small Sizes

Preview your favicon at 16x16 pixels before finalizing. If it looks muddy or unrecognizable, simplify the design. The best favicons are bold and distinct even at tiny sizes.

Common Use Cases

PNG to ICO conversion is essential for anyone managing a website:

Web developers adding favicons to new websites and web applications
Business owners branding their company website with a custom tab icon
Bloggers and content creators personalizing their WordPress or portfolio sites
Designers creating favicon packages for client website deliverables
Developers building desktop applications that need custom window icons

Frequently Asked Questions

How do I convert PNG to ICO for free?+

Open the PNG to ICO tool on EasyTools24, upload your PNG image, select the desired sizes, and download the ICO file. The tool is completely free with no registration needed.

Is it safe to convert PNG to ICO online?+

Yes. The PNG to ICO tool processes your image entirely within your web browser. Your file is never uploaded to any server, stored, or transmitted. The conversion is 100% private and secure.

What size should a favicon be?+

The standard favicon sizes are 16x16 pixels (browser tabs), 32x32 pixels (taskbar shortcuts), and 48x48 pixels (Windows desktop). For best results, start with a 512x512 PNG and let the tool generate all needed sizes.

Can I use a PNG as a favicon instead of ICO?+

Modern browsers support PNG favicons using the <link rel="icon" type="image/png"> tag. However, ICO is more universally compatible, especially with older browsers. For maximum compatibility, use an ICO file.

How do I add a favicon to my website?+

Place your favicon.ico file in your website's root directory. Then add <link rel="icon" href="/favicon.ico"> in the <head> section of your HTML. Most browsers will also automatically check for favicon.ico in the root directory.