Favicon Generator
Turn any image into a complete favicon package — favicon.ico plus PNG icons at 16, 32, 48, 64 and 128 px — in a downloadable ZIP.
Drag & drop an image here
or click to browse — a square logo or symbol works best (JPG, PNG, WebP)
Package: favicon.ico (16/32/48) + PNGs at 16, 32, 48, 64, 128 px + README.
How to use
- Upload a square image (a logo or symbol works best).
- Click Generate to create the favicon package.
- Download the ZIP containing favicon.ico and all PNG sizes.
- Add the included HTML snippet to your site’s <head>.
What is a favicon?
A favicon (short for "favorite icon") is the small square image that represents a website. You see it in the browser tab next to the page title, in your bookmarks and history, on the home screen when a site is saved to a phone, and in search results on some engines. Though it is only a few pixels across, the favicon is one of the most visible pieces of a brand's identity online: it is shown every time someone has your site open, and a missing or generic favicon makes a site look unfinished or untrustworthy.
This Favicon Generator turns any image — a logo, a symbol, a letter — into a complete, ready-to-use favicon package. Upload a picture and the tool produces a multi-resolution favicon.ico file plus individual PNG icons at 16×16, 32×32, 48×48, 64×64 and 128×128 pixels, bundled into a single ZIP download with an HTML snippet you can paste straight into your site.
Why favicons need multiple sizes
It is tempting to think one image would be enough, but different places display the favicon at different sizes, and an icon scaled badly looks blurry or pixelated. Providing several dedicated sizes lets the browser and operating system pick the sharpest one for each context:
- 16×16 — the classic browser-tab and address-bar size, and the most important for everyday browsing.
- 32×32 — used for taskbar shortcuts, high-DPI tabs and many bookmark displays.
- 48×48 — Windows site icons and some desktop contexts.
- 64×64 — sharper rendering on high-resolution (Retina) displays.
- 128×128 — larger app-style icons and previews.
By generating all of these from your source image, the tool ensures your icon looks crisp everywhere rather than relying on the browser to shrink one large image — which often produces soft, muddy results at tiny sizes.
favicon.ico vs PNG favicons
There are two main favicon technologies, and this tool produces both. The .ico format is the original favicon format, and it has a special power: a single .ico file can contain several images at different sizes inside it. When a browser requests favicon.ico from the root of your site, it picks the most suitable size from within that one file. The favicon.ico this tool builds packs the 16, 32 and 48-pixel versions together, giving you maximum compatibility — including with older browsers that look for favicon.ico by default.
PNG favicons are the modern complement. They are referenced explicitly in your HTML with <link> tags and let you provide additional, larger sizes with full transparency and excellent quality. Modern browsers happily use PNG icons, and providing both an .ico and a set of PNGs covers every browser, old and new. That belt-and-braces approach is exactly what the ZIP package gives you.
How the favicon generator works
When you upload an image, the tool first validates it — checking that it is a genuine JPG, PNG or WebP and within the size limit — then processes it on the server using the GD imaging library. For each target size it centre-crops your image to a square (so non-square images are not stretched) and resamples it down to the exact pixel dimensions using high-quality interpolation, preserving transparency for PNG and WebP sources. It then assembles the multi-size favicon.ico by packing the small PNGs into the ICO container format, writes a short README with installation instructions, and bundles everything into a ZIP archive. The whole package is offered as a single download, and your uploaded image and the generated files are automatically deleted from the server within the hour.
How to add a favicon to your website
Installing the favicon is straightforward. First, upload favicon.ico to the root directory of your website, so it is reachable at a URL like https://example.com/favicon.ico — browsers look there automatically. Then upload the PNG files alongside it. Finally, add a few lines to the <head> section of your HTML so browsers know about the PNG sizes:
<link rel="icon" type="image/x-icon" href="/favicon.ico">
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="48x48" href="/favicon-48x48.png">The exact snippet is included in the README inside your download. After uploading and adding the tags, you may need to do a hard refresh or clear your browser cache to see the new favicon, because browsers cache favicons aggressively.
Designing a good favicon
A favicon is displayed at a tiny size, so the design rules are different from a full logo. Keep it simple and bold: fine detail and small text vanish at 16×16, so a single letter, a strong symbol, or a simplified mark of your logo works far better than a shrunk-down full logo. Use high contrast so the icon stands out against both light and dark browser themes, and favour a square composition with a little breathing room around the edges. Transparency can look elegant, but make sure the icon is still legible against the various tab backgrounds browsers use. Because this tool centre-crops to a square, starting from a square source image gives you the most predictable result; if your image is rectangular, place the important content in the centre.
Browser support and best practices
Every browser in common use supports favicons. The combination of a root favicon.ico plus PNG <link> tags is the most robust setup, covering legacy browsers that default to favicon.ico and modern ones that prefer PNGs. A few best practices help avoid common headaches: always place favicon.ico at the site root; keep the icon recognisable at the smallest size; use the same icon consistently across your site for a coherent brand; and remember that favicons are heavily cached, so changes may take a while to appear for returning visitors. If you also want a home-screen icon for mobile devices, you can add a larger Apple touch icon (typically 180×180) and a web app manifest — the PNG sizes in your package are a great starting point for those too.
A short history of the favicon
The favicon was introduced by Microsoft in Internet Explorer 5 back in 1999. The idea was simple: if a user bookmarked a page, the browser would look for a file called favicon.ico in the site's root and show that little icon next to the bookmark — hence "favorite icon". The feature proved so useful that every other browser adopted it, and it soon spread from bookmarks to the address bar and, later, to browser tabs when tabbed browsing became standard. For years the .ico file at the site root was the only way to do it. Over time the web standardised the <link rel="icon"> tag, which allowed sites to point to icons in other formats and locations, and to declare multiple sizes explicitly. Today the favicon is a small but expected part of any professional website, and the most reliable approach combines the original root favicon.ico with modern PNG declarations — exactly the package this tool produces.
Favicons and SEO
Favicons are not a direct ranking factor, but they do influence how your site is perceived and clicked. Google shows favicons next to results in mobile search, so a clear, distinctive icon helps your listing stand out and look trustworthy, which can improve click-through rate — and click-through behaviour is something search engines pay attention to. A missing favicon, by contrast, leaves a generic placeholder that can make a result look less credible. For Google to display your favicon in search it must be a square multiple of 48 pixels (48×48, 96×96, and so on), reachable at a stable URL, and referenced with a rel="icon" link — all of which a proper favicon set satisfies. Beyond search, a strong favicon reinforces brand recognition every time your tab sits among a dozen others, subtly encouraging users to return. In short, a favicon will not lift your rankings on its own, but it is part of presenting a polished, trustworthy site, and that supports your wider SEO and branding efforts.
Favicons on mobile and home screens
On phones and tablets the favicon story extends beyond the browser tab. When a user adds your site to their home screen, the device wants a larger, higher-quality icon than a 32-pixel favicon. On iOS this is the Apple touch icon, typically 180×180 pixels, declared with <link rel="apple-touch-icon" href="/apple-touch-icon.png">. On Android and in installable progressive web apps, icons are declared in a web app manifest (a manifest.json file) that lists icons at sizes such as 192×192 and 512×512. While this tool focuses on the core browser favicon sizes, the larger PNGs it generates — particularly the 128×128 — are a useful starting point, and the same square source image can be exported at 180, 192 and 512 pixels for full mobile coverage. Providing these home-screen icons makes your site feel like a native app when saved, which matters increasingly as more browsing happens on mobile and as PWAs blur the line between websites and apps.
SVG favicons and the future
A newer option is the SVG favicon, a single vector file that scales perfectly to any size and can even adapt to the browser's light or dark theme using CSS inside the SVG. Modern browsers support it via <link rel="icon" type="image/svg+xml" href="/icon.svg">. SVG favicons are elegant for simple, geometric logos, but they are not yet universally supported, and complex artwork does not always render identically across browsers. The pragmatic approach for now is to lead with the well-supported raster set — the .ico and PNGs this generator creates — and optionally add an SVG for browsers that prefer it. Raster icons remain the dependable baseline that works everywhere, from the newest browser to the oldest one a visitor might still be using.
Troubleshooting common favicon problems
The single most common favicon complaint is "I changed it but the old one still shows". This is almost always caching: browsers hold on to favicons tenaciously, sometimes ignoring a normal refresh. Fixes include a hard reload, clearing the cache, opening the icon URL directly to confirm the new file is served, or appending a version query string to the link tag during development. Other frequent issues are putting favicon.ico somewhere other than the site root (so the browser's automatic lookup fails), referencing the wrong path in the link tags, or uploading an icon that is too detailed to read at 16 pixels. Server configuration can play a part too — make sure the icon files are served with the correct content type and are not blocked by access rules. Because this tool outputs standard, correctly formatted files with a ready-made snippet, most of these problems come down to upload location and caching rather than the icons themselves.
File size and performance
Favicons are tiny, so they have a negligible effect on page weight, but a couple of points are worth knowing. A multi-size .ico is a few kilobytes because it contains several images; that is normal and well worth the compatibility it buys. Because the browser fetches the favicon on virtually every visit, it is served from cache after the first load, so the cost is paid once. Keeping each individual icon lean — which this tool does by re-encoding cleanly and stripping metadata — ensures the set stays small. There is no benefit to enormous favicons; the sizes provided here cover every mainstream use without bloat, giving you a complete, professional icon set that loads instantly and works in every browser.
Privacy and security
Your source image is uploaded only for processing: it is validated by content (not just by file extension), resized on the server, and then both the upload and the generated package are automatically removed within an hour. The files are stored under random names and served through a one-time download link, and image metadata such as EXIF is dropped during processing. Because the tool re-encodes every icon from scratch, the output contains only clean image data. It is a fast, free and private way to create a professional favicon set for any website.