Favicon Generator
Upload a square logo and download it in standard favicon sizes — free, instant.
Drag & drop a square logo here, or click to browse
Getting That Small Icon in the Browser Tab Right
A favicon — the small icon that appears in a browser tab, bookmark list, and mobile home screen shortcut — needs to exist in several different pixel sizes to look correct across every context it's used, and manually resizing a logo into each required dimension is tedious, fiddly work. This tool takes one square logo image and generates the full standard set of favicon sizes automatically.
Why So Many Different Sizes Are Actually Needed
A browser tab icon typically displays at 16×16 or 32×32 pixels, small enough that fine detail simply disappears — while an iOS home screen shortcut icon needs to be as large as 180×180 pixels to look sharp on a high-resolution phone screen. Using one single image size for all these contexts means either a blurry, low-resolution icon in places needing a larger size, or an unnecessarily heavy file for places only needing something tiny — generating the full standard set (typically including 16×16, 32×32, 180×180, and a few others) ensures each context gets an appropriately sized, sharp icon.
A Worked Example
Uploading a company logo saved at 512×512 pixels, the tool resizes it down through the canvas API into the standard favicon set — a 16×16 version for the browser tab, a 32×32 version for browser bookmarks and some taskbar contexts, and a 180×180 version specifically for Apple touch icons on iOS home screens — each properly resized and ready to reference in a site's HTML, rather than relying on a browser to awkwardly scale one oversized image down on the fly.
Why a Square Source Image Matters
Favicon slots are inherently square, so a non-square source logo gets cropped or distorted to fit — starting from a genuinely square logo, or one with enough padding around the actual design to crop safely, produces a cleaner result than uploading a wide rectangular logo and hoping the automatic crop lands well. If your primary logo isn't square, consider creating a simplified square version (sometimes just an icon or initial, without the full wordmark) specifically for favicon use.
Simple Icons Work Better at Small Sizes Than Detailed Ones
A favicon rendered at 16×16 pixels has very little room for detail — a complex logo with fine text or intricate linework often becomes an indistinct blur at that size, while a simple, bold shape or a single letter remains recognizable even that small. This is why many brands use a simplified icon-only version of their logo specifically for favicons, rather than their full detailed logo with wordmark and tagline.
Where People Use This
A developer launching a new site who needs the complete standard favicon set without manually resizing in an image editor multiple times. Someone rebranding an existing site's logo, needing all favicon sizes regenerated to match. A small business owner setting up their first website who doesn't have design software but has a logo file they want turned into a proper favicon set.
Generated Without Uploading Your Logo
Resizing happens with client-side JavaScript and the Canvas API directly in your browser — your logo file, which may represent unreleased branding work, is never transmitted to a server during the generation process.
A Second Example
A startup finalizing their brand identity generates a full favicon set from their newly designed logo mark before launching their site, downloading the complete size set alongside standard PNG and JPG versions of the same icon for use elsewhere in their brand materials.
What image format should my source logo be in?
PNG with a transparent background works well for most favicon uses, though JPG is also accepted; a transparent background avoids an unwanted colored square appearing behind the icon in some display contexts.
Why does my detailed logo look blurry as a small favicon?
Fine detail simply doesn't survive at 16×16 pixels — consider using a simplified, bolder version of your logo specifically for the favicon rather than your full detailed version.
Do I need all the generated sizes, or just one?
Using the full set ensures your icon looks sharp across every context (browser tabs, bookmarks, mobile home screens) rather than relying on one size being awkwardly scaled by the browser for contexts it wasn't designed for.
What do I do with the downloaded favicon files?
Upload them to your website's root directory and reference them in your site's HTML head section using standard favicon link tags, following your specific platform or CMS's documentation for exact placement.
Can I generate a favicon from a non-square logo?
Yes, though it will be cropped to fit a square format — for the cleanest result, use a genuinely square source image or one with enough padding to crop safely.
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