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Favicon Generator

Create a standard favicon.ico from any image — three built-in sizes (16, 32, 48 px) in one file, batch ZIP, no upload. Ideal for browser tabs, bookmarks, and desktop shortcuts.

✓ Unlimited files ✓ No size limit ✓ Works offline ✓ No watermarks
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Drop images here or click to browse
Each image becomes one favicon.ico (16 / 32 / 48)

Square sources look best. ICO uses PNG frames inside the Windows ICO container (Vista+).

What is a favicon — and why use an .ico file?

A favicon (favorites icon) is the small image browsers show in tabs, bookmarks, and sometimes in history. The classic file name is favicon.ico placed at your site root so browsers can discover it automatically.

An ICO file can hold multiple sizes in one package. This generator builds a single favicon.ico containing 16×16, 32×32, and 48×48 pixel frames (PNG-encoded), so the OS can choose a crisp icon for the tab bar, taskbar, or shortcuts without you maintaining three separate files by hand.

How this favicon generator works

You provide any source image your browser can decode. For each file we:

  1. Draw the image scaled to fit inside a square at 16, 32, and 48 pixels (centered, with a white background behind transparent or letterboxed areas).
  2. Encode each square as PNG data and pack them into a standard Windows ICO binary.
  3. Offer a download named from your original file (e.g. logo.ico or favicon.ico).

Starting from a vector logo? Export PNG or use our SVG to PNG first at a generous size, then generate the ICO here for best clarity at tiny dimensions.

Why 16, 32, and 48 pixels?

Typical use of favicon sizes in an ICO
Size Typical use
16×16Browser tab favicon on most desktop displays
32×32Higher-DPI tab icons, some toolbar contexts
48×48Windows site shortcuts, some bookmark UIs

This tool does not create Apple touch icons (180×180 PNG) or web app manifest icons — those are separate assets. For overall format strategy on a site, see best image format for websites.

How to add favicon.ico to your website

After downloading: upload favicon.ico to your production server (often the site root so it is available at /favicon.ico). Many stacks also let you declare it explicitly in your HTML <head>:

<link rel="icon" href="/favicon.ico" type="image/x-icon" />

Paths vary if you use a CDN or static folder — match your host’s documentation. Clear browser cache or hard-refresh when testing a replacement icon.

Design tips for tiny icons

  • Prefer simple shapes — fine lines disappear at 16×16.
  • Use high-contrast colors so the mark reads on light and dark tab backgrounds.
  • Square master artwork avoids letterboxing; wide logos get smaller in the frame.
  • Need standalone PNGs at exact sizes? This tool outputs a multi-size .ico only. For one-off PNG exports from SVG, use SVG to PNG with custom dimensions.

Troubleshooting

Icon looks fuzzy: Start from a larger, sharp source image or vector export before ICO generation.

Browser still shows old icon: Hard-refresh, clear site data for localhost, or rename the file temporarily to bust cache.

Error decoding image: Try PNG or JPG; ensure the file is not corrupt. Huge images may stress memory — resize first with our image resizer.

Frequently Asked Questions

Is this favicon generator free and unlimited?

Yes. Generate as many favicon.ico files as you need with no signup, watermarks, or usage caps. Everything runs in your browser.

Are my images uploaded to your servers?

No. Your images are decoded and rendered locally. ICO packing happens on your device — we never receive your files.

What is inside each favicon.ico file?

Each ICO contains three PNG-encoded bitmaps at 16×16, 32×32, and 48×48 pixels. Browsers and Windows pick the best size for tabs, bookmarks, and shortcuts.

What source image formats work?

Any raster format your browser can open — typically JPG, PNG, WebP, GIF, and similar. Very large originals may take longer to process.

My logo is not square — what happens?

The image is scaled to fit inside each square frame without cropping, centered, with a white background filling empty space — similar to letterboxing.

Will the ICO work in modern browsers?

Yes. The file uses PNG data inside the ICO container (common since Windows Vista era). This is widely supported for typical website favicons. Ancient systems that only read legacy BMP icons are uncommon today.

How do I add the favicon to my website?

Upload favicon.ico to your site root (often /favicon.ico) and/or reference it with a link element: link rel="icon" href="/favicon.ico" type="image/x-icon". Your host or framework may have a specific folder for static assets.

Can I create favicons for several projects at once?

Yes. Drop multiple images — each becomes its own favicon.ico. Download individually or use Download All as ZIP.

Does it work on mobile or offline?

It works on modern mobile browsers that support Canvas. After the page loads, processing can run without a network connection.

Is there a monthly limit or account required?

No accounts, no quotas, and no premium tier. Use the generator whenever you need.

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