favicon-checker.com
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Free favicon checkerCheck every favicon
on any website

This favicon checker tests ICO, PNG and SVG icons, the Apple touch icon, the web app manifest and Google Search rules in one pass, and shows what is there and what is missing.

Try: theguardian.com · wellsfargo.com · duolingo.com

What we check

49 checks across every place a browser, phone or search engine looks for your icon.

favicon.ico

6 checks

Root file, real ICO format, embedded 16 and 32 px images, weight, status, type.

PNG icons

6 checks

Each rel="icon" tag: declared vs actual size, square shape, format, reachability.

SVG icon

4 checks

Present, square viewBox, dark-mode support, no scripts inside.

Apple touch icon

5 checks

180 px, opaque background, PNG, declared or at the root, Retina-sharp.

Web app manifest

10 checks

Valid JSON, MIME type, name, icons 192/512, maskable, colors, display.

Google search

6 checks

Supported format, square, larger than 48 px, declared on the homepage, allowed by robots.txt, stable URL.

Meta & legacy

5 checks

theme-color light/dark, Safari mask-icon, Windows tiles, browserconfig.xml.

Delivery

7 checks

HTTPS, mixed content, redirects, cache headers, total weight, duplicates, broken links.

How it works

  1. 01

    Enter a URL

    Any public page. We follow redirects the way a browser does.

  2. 02

    We fetch everything

    We read the HTML tags, then fetch /favicon.ico, the manifest and every icon file and measure each one.

  3. 03

    See the gaps

    Live previews for tabs, Google, iOS and Android, plus a clear list of what is missing.

Favicon guides

Example reports

All checked sites

Questions

Why is my favicon not showing in Google?

Google needs a square icon in a supported format (ICO, PNG, GIF, JPEG or BMP, not SVG), declared on the homepage, with both the homepage and the icon open to Googlebot in robots.txt. After a fix it takes days to weeks before Google shows the new icon. Ten causes and fixes →

Which favicon files does a site really need?

A 32×32 favicon.ico, an SVG icon, a 180×180 Apple touch icon and a web app manifest with 192 and 512 px icons, one of them maskable. That covers every current browser, phone and Google Search. The full size chart →

I changed my favicon, why do I still see the old one?

Browsers keep favicons in a cache of their own that a normal reload does not clear. Give the icon a new URL, for example favicon.svg?v=2, and check that your server and CDN send the new file. How to clear the favicon cache →

Does Google support SVG favicons?

No. Google's favicon guidelines list BMP, GIF, ICO, PNG, JPEG, PPM and TIFF. Keep the SVG for browsers and declare a PNG or ICO next to it; Google recommends one larger than 48×48 px.

What is a maskable icon?

A manifest icon marked "purpose": "maskable" whose artwork fills the whole square. Android crops it to the shape of the phone's icons, so the logo has to sit inside the central 80% circle.

Is the checker free, and what do you store?

It is free and needs no account. We save the result, including copies of the icons. We keep no record of who ran a check. Privacy policy →