ICO file size

Client

A .ico file bundles several square resolutions. Export 16, 32, and 48 px PNG layers, then merge with an ICO tool.

Favicon .ico size

A classic favicon.ico file is not one pixel dimension—it bundles multiple square layers (16×16, 32×32, 48×48 px are typical). Browsers pick the best layer for the tab. This page exports PNG at one size; download 16, 32, 48 px separately if you need to build an .ico offline.

We read width and height locally, then resize with center crop. Max 8 MB.

Export size

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Choose the pixel size your HTML link, manifest, or platform expects. Preview shows how center crop will look at that size.

Common use cases

  • Download PNG layers before building favicon.ico offline.
  • Confirm ICO favicon requirements before updating HTML link tags or a CMS upload field.
  • Export a square PNG locally after upload—no server processing of your logo.

Common mistakes to avoid

  • Using a non-square logo without padding

    Center crop helps but cannot fix edge-to-edge text. Add margin before export.

  • Expecting this page to output binary .ico directly.

FAQ

What pixel layers belong in favicon.ico?

Commonly 16×16, 32×32, and 48×48 px squares inside one file.

Can I export the PNG in my browser?

Yes. Upload your image, pick the target pixel size, and download—processing stays on your device.

Common search terms

Phrases people search for that match this tool. See the full long-tail keyword index.

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More tools

Related utilities you can open in another tab—mostly client-side.