Favicon .ico size

Client

“Favicon ico size” searches often assume a single number—but classic favicon.ico is a multi-resolution container. Browsers pick 16, 32, or 48 px layers inside the binary. Export each PNG layer below, then merge with an ICO tool.

ICO layer checklist

Export 16, 32, and 48 px PNGs from the same square source, verify each preview at tab size, then combine into favicon.ico with your preferred desktop or CI 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 16, 32, and 48 px PNGs for an ICO pack in one click.
  • Explain .ico structure to developers migrating to PNG link tags.
  • Validate source art before building legacy favicon.ico files.

Common mistakes to avoid

  • Expecting this page to output .ico directly

    We export PNG per layer—bundle with an external ICO builder.

  • Only embedding 16×16 in .ico

    Modern tabs prefer 32×32 inside the container—include both.

  • Replacing all PNG tags with .ico only

    Many stacks ship PNG link tags plus optional favicon.ico for legacy crawlers.

FAQ

What is favicon .ico size?

Typically multiple layers—16×16, 32×32, and 48×48 px—inside one favicon.ico file.

Can I download ICO layers here?

Yes—use Download ICO layers (16, 32, 48) after upload.

Is .ico still required?

Modern sites often use PNG link tags; .ico remains for legacy browsers and some hosts.

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.