Why does Favicon matter?

You get icons at the sizes browsers and devices expect, ready to drop into your site.

What are common favicon mistakes?

Starting from a detailed logo that turns to mush at 16px - use a bold, simple mark.

🌐

100% free · no signupRuns in your browser

Favicon Generator

Generate all required favicon sizes (16/32/48/64/128/180/192/512) from a single image.

Best for: Use it to add a favicon to a website or web app, or refresh an old one.

Complete guide

Input

100% private — your file is processed in your browser and never uploaded.

How it's calculated & sources

The Favicon Generator uses the standard method for this calculation. It runs entirely in your browser, so your inputs are never uploaded. Last reviewed June 2026.

Free & no sign-up · runs entirely in your browser. Results are estimates for general information, not professional advice — verify important decisions with a qualified expert. Last reviewed June 2026.

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Complete guide

Quick answers

Short, sourced answers to the questions people (and AI assistants) ask most.

What is Favicon?: Favicon Generator turns an image into the small icons a browser shows in tabs, bookmarks and on home screens.
Why does Favicon matter?: You get icons at the sizes browsers and devices expect, ready to drop into your site.
How is Favicon calculated?: Your image is resized to the standard favicon sizes on a canvas in your browser and packaged for download.
What is a good favicon?: Common sizes: 16x16 and 32x32 for browser tabs, 48x48 for Windows, and 180x180 for the Apple touch icon on iOS home screens.
What are common favicon mistakes?: Starting from a detailed logo that turns to mush at 16px - use a bold, simple mark.
When should you use the Favicon Generator?: Use it to add a favicon to a website or web app, or refresh an old one.

What is the Favicon Generator?

Favicon Generator turns an image into the small icons a browser shows in tabs, bookmarks and on home screens.

How the Favicon Generator works

Your image is resized to the standard favicon sizes on a canvas in your browser and packaged for download.

What's a typical value?

Common sizes: 16x16 and 32x32 for browser tabs, 48x48 for Windows, and 180x180 for the Apple touch icon on iOS home screens.

Common mistakes to avoid

Starting from a detailed logo that turns to mush at 16px - use a bold, simple mark.
Providing only one size and missing the Apple touch icon.
Forgetting to reference the icons in your HTML head.

Keywords: favicon, icon, apple-touch.

Runs entirely in your browser. Your image is not uploaded.

Reviewed by the Free Tools Galaxy editorial team · Updated June 2026 · Calculated privately in your browser.

Frequently asked questions

Is the Favicon Generator free to use?+

Yes. Every tool on Free Tools Galaxy is 100% free, runs in your browser and requires no signup.

How accurate is the Favicon Generator?+

Favicon Generator uses the standard favicon formula in double-precision arithmetic, so the same inputs always produce the same result and you can verify any figure by hand. It is an educational estimate — real-world outcomes depend on your actual rates, rules and assumptions.

Do you store my inputs?+

No. The Favicon Generator runs entirely in your browser. Nothing is uploaded or saved to a server.

Can I use the Favicon Generator on mobile?+

Yes — the interface is fully responsive and works on phones, tablets and desktops.

What are common mistakes to avoid?+

The most frequent mistake is mixing units. Double-check your inputs use a single, consistent unit before clicking Calculate.

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Reddit post

Title: I built/used this free favicon generator — instant, no signup

Body: Generate all required favicon sizes (16/32/48/64/128/180/192/512) from a single image. Try it: https://freetoolsgalaxy.com/tools/favicon-generator

LinkedIn post

Favicon Generator on Free Tools Galaxy — Generate all required favicon sizes (16/32/48/64/128/180/192/512) from a single image. https://freetoolsgalaxy.com/tools/favicon-generator

Medium intro

# Favicon Generator — the free tool I keep coming back to

Generate all required favicon sizes (16/32/48/64/128/180/192/512) from a single image.

Try it: https://freetoolsgalaxy.com/tools/favicon-generator

Quora answer

The fastest way is to use a free in-browser favicon generator: https://freetoolsgalaxy.com/tools/favicon-generator. Generate all required favicon sizes (16/32/48/64/128/180/192/512) from a single image.

Embed this tool anywhere

Free embed code for blogs, docs and dashboards. Every embed sends a backlink home — helping you and the galaxy grow together.

HTML iframe

Drop into any site — auto-resizes to its content height, theme-aware.

<iframe src="https://freetoolsgalaxy.com/tools/favicon-generator?embed=1" title="Favicon Generator" loading="lazy"
  style="width:100%;height:600px;border:0;border-radius:16px;background:#0b1020"
  allow="clipboard-write"></iframe>
<script>window.addEventListener("message",function(e){if(e.data&&e.data.type==="ftg-embed-height"){document.querySelectorAll("iframe").forEach(function(f){if(f.contentWindow===e.source){f.style.height=e.data.height+"px";}});}});</script>
<p><a href="https://freetoolsgalaxy.com/tools/favicon-generator" target="_blank" rel="noopener">Powered by Favicon Generator on Free Tools Galaxy</a></p>

Responsive wrapper

Aspect-locked container — good for blog post bodies.

<div style="position:relative;padding-bottom:75%;height:0;overflow:hidden;border-radius:16px">
  <iframe src="https://freetoolsgalaxy.com/tools/favicon-generator?embed=1" title="Favicon Generator" loading="lazy"
    style="position:absolute;inset:0;width:100%;height:100%;border:0" allow="clipboard-write"></iframe>
</div>

WordPress / Markdown

Paste in a custom-HTML block or markdown file.

[Favicon Generator — free online tool](https://freetoolsgalaxy.com/tools/favicon-generator)

<iframe src="https://freetoolsgalaxy.com/tools/favicon-generator?embed=1" width="100%" height="600" frameborder="0"></iframe>

Text link-back

Minimal credit link — best for sidebars and footers.

<a href="https://freetoolsgalaxy.com/tools/favicon-generator" target="_blank" rel="noopener">Try the free Favicon Generator</a>

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Complete guide

Quick answers

What is the Favicon Generator?

How the Favicon Generator works

What's a typical value?

Common mistakes to avoid

Frequently asked questions

Explore more

Popular tools

Explore other categories

Smart Autopilot

Likely next step

Smart recommendations

Next best tool

Also worth a look

Share & publish

Share & challenge

Embed this tool anywhere

Share-to-Grow Kit

AI SEO analysis for this tool