Verificador de Favicon

Check which favicons a website declares and how they render

100% gratis. Esta herramienta necesita nuestro servidor para hacer el trabajo, así que lo que envías se procesa allí y luego se descarta: nunca se almacena.

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Acerca de esta herramienta

Check which favicon(s) a website has declared - the small icon shown in browser tabs, bookmarks, and search results - and shows how they actually render across different contexts. Useful for verifying your favicon setup is complete and displaying correctly everywhere it should.

Cómo usar esta herramienta

  1. Enter website URLFetch declared favicon links and icon manifest references from the page head.
  2. Inspect icon variantsReview `.ico` and PNG sizes used for tabs, bookmarks, and devices.
  3. Check render qualityVerify clarity at small sizes where blurry icons usually fail.
  4. Fix and redeploy icon setRegenerate missing sizes and update head tags as needed.

Por qué usarla

  • Detects incomplete favicon setups before users notice broken branding.
  • Improves tab, bookmark, and share-surface brand recognition.
  • Helps validate cross-device icon coverage quickly.
  • Useful for post-launch QA and rebrand verification.

Usos comunes

  • Auditing favicon setup after website redesign.
  • Debugging missing icons on iOS/Android homescreens.
  • Checking brand consistency across browser contexts.
  • Verifying client deliverables include full icon pack.

Consejos para mejores resultados

  • Provide both `.ico` and multiple PNG sizes for compatibility.
  • Use simplified icon marks for tiny 16x16 rendering.
  • Clear browser cache after favicon updates during testing.
  • Include Apple touch icon and manifest references where needed.

Errores a evitar

  • Uploading one large logo and relying on browser downscaling only.
  • Forgetting root `favicon.ico` fallback path.
  • Using detailed text-based logos that blur at small sizes.
  • Changing icon files without updating cache-busting strategy.

Preguntas frecuentes

Different platforms (browser tabs, mobile home screen icons, search results) often expect different favicon sizes/formats - missing one of the expected variants can mean the icon fails to appear in that specific context even if your main favicon works fine.

A common baseline includes a standard .ico file plus various PNG sizes for different devices, and often an Apple touch icon for iOS home screen bookmarks - covering the range of places a favicon might be displayed.

Yes - enter any public URL to see what favicons that site declares and how they're configured.

Yes. Favicon Checker is free for normal use with no account required, and ToolBox does not add a watermark to your result.

Most tools in this category run in your browser so the file stays on your device. If a tool needs a temporary server job, files are handled for that job only and are not kept as a lasting archive.

No install needed. Open Favicon Checker in your browser, add your file or paste your input, then download or copy the result.

Yes on modern mobile browsers. For large files, a desktop browser is usually faster and more reliable.

Try a different quality or format setting, use a smaller input, or open a related tool (for example compress before convert). Keep a copy of the original file before replacing it.

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