Online ICO Converter
Create clean, professional icons for your website with our Online ICO Converter. This free tool allows you to convert images such as PNG, JPG, or BMP into a valid .ico file in seconds. It is designed for web developers, WordPress users, and site owners who want to generate a proper favicon without dealing with complex graphic design software.
If you already have a logo or icon image, turning it into a browser-ready favicon takes only a few clicks.
How to Convert Images to ICO Format
Generating a favicon is quick and straightforward. Here is how the process works:
1. Upload Your Image
Click the “Select File” button to upload your logo or image.
For best results, use a square image (1:1 aspect ratio).
Supported formats include PNG, JPG, and BMP.
2. Select Preferences (Optional)
Our converter automatically optimizes your image into standard favicon sizes such as:
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16×16
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32×32
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64×64 pixels
These sizes are widely supported by modern browsers and operating systems.
3. Convert and Download
Click the convert button. Within seconds, your .ico file will be ready.
Download it and use it directly on your website.
What Is an ICO File and Why Do You Need It?
An ICO file is a special image format primarily used by Windows and web browsers to display icons. Today, its most common use is for favicons.
1. The Favicon Necessity
A favicon is the small icon shown next to your website title in browser tabs, bookmarks, and history lists. Browsers actively look for a favicon.ico file.
Without it, your site appears with a generic icon, which can feel unfinished or unreliable.
2. Brand Recognition
A custom favicon helps users recognize your website instantly, especially when multiple tabs are open. Even a simple symbol or letter strengthens brand recall and gives your site a more polished appearance.
3. Multi-Size Support (Why ICO Is Different)
Unlike JPG or PNG, a single ICO file can contain multiple icon sizes in one file.
This allows browsers and operating systems to automatically select the best size depending on context, ensuring sharp visuals on tabs, taskbars, and high-resolution screens.
ICO vs JPG: Why ICO Is Better for Favicons
Imagine viewing the same logo in a browser tab:
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JPG: One fixed size, no transparency, often blurry when scaled down.
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ICO: Multiple optimized sizes, transparency support, and crisp rendering.
This difference becomes obvious when icons are displayed at very small sizes like 16×16 pixels. ICO files are built specifically for this purpose.
How to Install a Favicon on Your Website
Converting the file is only half the job. Here is how to actually use it.
Add Favicon to HTML Websites
Upload your favicon.ico file to the root directory of your website, then add the following code inside the <head> section of your HTML:
Most browsers will detect it automatically after this.
Favicon Generator for WordPress & HTML Sites
WordPress
If you are using WordPress, you can:
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Go to Appearance → Customize → Site Identity
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Upload the ICO file as your site icon
WordPress will handle the rest.
Static HTML / Custom CMS
For custom websites, manually uploading the ICO file and adding the <link rel="icon"> tag gives you full control and maximum compatibility.
This flexibility makes ICO the preferred format across platforms.
Frequently Asked Questions (FAQ)
Is this ICO converter free?
Yes. The tool is completely free, with no usage limits or watermarks.
What is the best input format?
A PNG file with a transparent background produces the best-looking favicon.
JPG files do not support transparency, which may result in visible background boxes.
What icon sizes are included?
The generated ICO file typically includes essential sizes such as 16×16 and 32×32, ensuring compatibility with Chrome, Firefox, Edge, and Safari.
Is my uploaded image safe?
Yes. Files are processed automatically and deleted shortly after conversion. Nothing is stored permanently.