Make ICO files & favicons right in your browser
Convert images to multi-size .ico, generate every favicon your site needs, inspect existing icons, or design your own with text, images and pixel tools. Your files never leave your device.
ICO & favicon tools
Icon Editor
Design a 256×256 icon with text, images and pixel drawing, then export multi-size ICO or PNG.
Image to ICO
Convert PNG, JPG, WebP, SVG or GIF to ICO. Pick sizes, batch convert to ZIP.
PNG to ICO
Transparent PNG straight to a multi-size ICO.
Favicon Generator
Generate favicon.ico, Apple touch icon, Android icons and site.webmanifest in one ZIP.
ICO Viewer
Open any .ico file, inspect every embedded size and download each as PNG.
ICO to PNG
Extract every image inside an .ico as transparent PNG.
Emoji to ICO
Turn an emoji or a few letters into a crisp ICO or favicon in seconds.
Why make icons with AnyToolsKit?
- Private by designEvery tool runs locally with JavaScript and Canvas. No uploads, no accounts, no server copies.
- Real, compatible ICO filesOur own encoder writes PNG and 32-bit BMP entries with alpha and masks — accepted by Windows, Visual Studio, Electron, PyInstaller and browsers.
- All the sizesPick any of 16, 20, 24, 32, 40, 48, 64, 96, 128 and 256 px, with presets for Windows apps and favicons.
- Made for small sizesActual-size previews, pixel grid, center crosshair and pixel tools help your icon stay readable at 16×16.
- Batch & ZIPConvert many images at once or download a full favicon package as a single ZIP file.
- English & KoreanEvery tool and guide is available in English and 한국어.
Icon & favicon guides
What is an ICO file? The icon format explained
How the .ico format works, why one file holds many sizes, PNG vs BMP entries, and where ICO files are still required in 2026.
Favicon sizes guide (2026): which files you actually need
The minimal modern favicon set: favicon.ico, 32 px PNG, SVG, 180 px Apple touch icon and 192/512 px manifest icons — with the exact HTML.
How to add a favicon to your website (HTML, WordPress, React, Next.js)
Step-by-step instructions to add a favicon to a plain HTML site, WordPress, Vite/React, Next.js and static hosts like GitHub Pages.
Windows icon sizes explained (16 to 256 px)
Which icon sizes Windows 10 and 11 use for the taskbar, Explorer, desktop and Start menu, how DPI scaling changes them, and what to put in your .ico.
ICO vs PNG: differences and when to use each
ICO is a container of several images, PNG is a single image. Compare transparency, file size, browser and Windows support, and pick the right one.
How to change a folder, shortcut or app icon in Windows 11
Use your own .ico for folders, desktop shortcuts and drives in Windows 10/11, fix icons that do not refresh, and set icons for your own apps.
Frequently asked questions
How do I make an ICO file from a PNG?
Open the Image to ICO converter, drop your PNG, choose sizes (e.g. 16, 32, 48, 256) and click “Download ICO”. Transparency is preserved.
Are the ICO tools free?
Yes, completely free with no watermark and no account. The site is supported by advertising.
Are my files uploaded?
No. All processing happens in your browser, so your images stay on your device. The tools even work offline once loaded.
What sizes should a favicon have?
A favicon.ico with 16, 32 and 48 px, a 180 px apple-touch-icon and 192/512 px icons for the web app manifest. The Favicon Generator creates all of them.
Can I edit an existing .ico?
Yes. Open it in the Icon Editor (it imports the largest image) or use the ICO Viewer to extract every size as PNG.