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A favicon is the small icon that appears in browser tabs, bookmarks, Windows taskbar shortcuts, and search engine results next to your website URL. Without a favicon, your site shows a generic grey page icon — which looks unprofessional and makes your brand harder to recognise. The ICO format (favicon.ico) is the most universally compatible favicon format — supported by all browsers, RSS readers, Windows shortcuts, and bookmark managers. While modern browsers also support PNG favicons, favicon.ico is the safest choice for maximum compatibility. Creating a favicon requires converting your logo or icon PNG to ICO format at the correct sizes: 16×16 pixels (browser tab), 32×32 pixels (taskbar/retina tab), and 48×48 pixels (Windows shortcuts). Our free converter handles all three sizes in one file automatically.
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Go to editdocsai.com/tools/image-converter and upload a square PNG. Use at least 256×256 px for best quality at all sizes.
Click the ICO format button or type "convert to ICO". Multi-size favicon is generated automatically.
Place favicon.ico in your website root folder. Add <link rel="icon" href="/favicon.ico"> to your HTML <head>. File deleted after 60 min.
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Start Free →Everything you need to know about png to ico converter
Upload at least 256×256 px for best quality. 512×512 is ideal. The converter scales down to 16, 32, and 48px automatically.
Place favicon.ico in the root of your website (same folder as index.html). Add this to your <head>: <link rel="icon" href="/favicon.ico" type="image/x-icon">.
Yes. Upload your JPG and click ICO. For best results use a square image with a transparent or plain background.
Modern browsers support PNG favicons directly. However, favicon.ico is more universally compatible — especially for older browsers, RSS readers, and Windows shortcuts. ICO is the safest choice.
Place favicon.ico in your website's root directory (same folder as index.html). Add <link rel="icon" href="/favicon.ico" type="image/x-icon"> inside the <head> of every HTML page. Most browsers will also automatically look for /favicon.ico at the root.
ICO files contain multiple sizes: 16×16 (browser tab), 32×32 (retina displays, taskbar), 48×48 (Windows shortcuts). Our converter generates all three. Start with a square PNG of at least 256×256 px for best quality.
ICO for maximum compatibility (all browsers + Windows shortcuts). PNG for modern sites where you control the <link rel="icon"> tag. Using both is ideal: <link rel="icon" href="/favicon.ico"> plus <link rel="icon" type="image/png" href="/icon.png">.
Yes. Upload your JPG and click ICO. For best favicon quality, use a square image with minimal padding around the icon shape. Transparent PNG icons look best in browser tabs.
| EditDocs AI | Basic PDF Tools | Premium Software | |
|---|---|---|---|
| PNG to ICO Converter | Free | Free* | Paid only |
| Files deleted after | 60 minutes | 24+ hours | Stored indefinitely |
| AI natural language | |||
| Batch processing | Unlimited | Paid | Paid |
| Account required | No | No | Always |
| API access | Free tier | Paid | Enterprise |
| Workflow automation |
* Basic tools have limits on free usage. EditDocs AI core features are always free.
Upload a square PNG logo (at least 256×256 px) at editdocsai.com/tools/image-converter and click ICO. The converter generates a multi-size favicon.ico containing 16×16, 32×32, and 48×48 pixel versions in a single file. Place favicon.ico in your website root folder (same folder as index.html) and add <link rel="icon" href="/favicon.ico"> inside the <head> tag. Free, instant, no account required.
The classic favicon.ico format is supported by every browser, RSS reader, and bookmark manager. Modern browsers also support PNG favicons declared with <link rel="icon" type="image/png" href="/icon.png">. The recommended setup for 2025: use both. Place favicon.ico in the root for maximum backwards compatibility, and declare PNG favicons at multiple sizes (180×180 for Apple Touch icon, 192×192 and 512×512 for Android PWA manifest) in your HTML head. This covers all platforms, from old IE to iPhone home screen shortcuts to Android PWA icons.
Use a square PNG of at least 512×512 pixels as source. Larger source images produce sharper downscaled versions — a 512×512 source generates crisp 16×16 and 32×32 sizes with good pixel-level detail. If your logo has a lot of fine detail, consider creating a simplified version specifically for small sizes (simplified logos with fewer elements read better at 16×16 than complex originals). Transparent PNG source images produce the cleanest result in browser tabs, especially on coloured tab bars in Firefox and older Chrome.