What Is the IMG369 Favicon Generator?
This tool takes one source image and produces every icon file a modern website needs: a multi-size favicon.ico for browser tabs, individual PNGs for iOS and Android home screens, and the HTML tags to wire them all up, bundled into a single ZIP download.
It's built for the moment a site's logo or icon is ready but the actual favicon files still need generating, a task that involves several different sizes and a legacy file format most image editors don't export directly.
How It Works
Your image is center-cropped to a square, then redrawn onto a canvas at each required size (16, 32, 48, 180, 192, and 512 pixels) entirely in your browser. The 16, 32, and 48px PNGs are packed together into a real favicon.ico file using the standard ICO container format, and everything is zipped up client-side for download. Building a valid .ico file from scratch means writing the exact header and directory structure the format expects, byte for byte, rather than relying on an image library that happens to support the format.
Why You Need So Many Different Icon Sizes
Every platform that displays a small site icon reads it at a different size and sometimes a different file entirely, which is why one PNG isn't enough. Browser tabs traditionally read the .ico format, and packing 16, 32, and 48px versions into it covers both a tiny tab icon and a sharper one for browser bookmark lists. iOS specifically looks for a 180x180 apple-touch-icon.png when someone adds your site to their home screen, ignoring the .ico entirely. Android and PWA manifests want their own 192 and 512px PNGs for home screen icons and app-switcher thumbnails. Skip any one of these and that specific platform falls back to a generic or missing icon, even though the favicon.ico itself is working fine everywhere else.
What's in the ZIP
- favicon.ico — a multi-size icon (16x16, 32x32, 48x48) for the browser tab, the classic favicon file.
- favicon-16x16.png and favicon-32x32.png — standalone PNG versions.
- apple-touch-icon.png (180x180) — used when an iPhone or iPad user adds your site to their home screen.
- android-chrome-192x192.png and android-chrome-512x512.png — used for Android home screens and PWA manifests.
- head-tags.txt — the exact HTML tags to paste into your site's <head>.
IMG369 vs. Other Ways to Generate a Favicon
Popular favicon generator sites do essentially the same job, but they require uploading your logo to their server to produce a package you're going to publish publicly anyway on your own site, an odd extra step. Manually resizing and exporting each size by hand in an image editor works but is tedious and error-prone, and hand-building a valid .ico file isn't something most editors support directly at all. IMG369 generates the full package, including a properly formatted .ico, in the browser with nothing uploaded.
| Method | Cost | Image leaves your device | Includes a real .ico file |
|---|---|---|---|
| IMG369 | Free | No | Yes |
| Typical online favicon generator | Free with limits | Yes, uploaded to a server | Yes |
| Manual resize per size | Free | No | Rarely, most editors don't export .ico |
Summary
IMG369's Favicon Generator turns one image into a complete favicon package, favicon.ico plus every PNG size modern platforms expect, with ready-to-paste HTML tags, entirely inside your browser with no upload and no signup. The sections above cover why so many separate icon sizes exist in the first place and how the .ico file itself gets assembled; the FAQ below covers where to put the files and format specifics.
Frequently Asked Questions
What's included in the download?
A ZIP file with favicon.ico (a multi-size icon file for browser tabs), favicon-16x16.png, favicon-32x32.png, apple-touch-icon.png (180x180 for iOS home screens), and android-chrome-192x192.png and android-chrome-512x512.png for PWA and Android use, plus the HTML tags to reference them.
Does my image need to be square?
No. Non-square images are automatically center-cropped to a square before the icons are generated.
Where do I put these files?
Upload them to the root folder of your website (the same level as your homepage's index.html), then add the provided HTML tags inside your page's <head>.
Is my image uploaded to a server?
No. Every icon size, including the .ico file itself, is generated entirely in your browser. Your image is never uploaded.