Favicon .ico size

Client

A favicon.ico is not one pixel size—it embeds multiple square layers (typically 16, 32, and 48 px). Export each PNG layer here, then merge into .ico offline.

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

  • Learn which resolutions belong inside a classic favicon.ico before building one.
  • Download 16, 32, and 48 px PNGs from the same source image for an ICO pack.
  • Match legacy browser expectations while keeping modern PNG sizes on other routes.

Common mistakes to avoid

  • Expecting a single .ico dimension

    Browsers choose among embedded layers. You need at least 16 and 32 px inside the file for broad support.

  • Using only this page for .ico output

    We export PNG per layer. Use a dedicated ICO builder to bundle layers into one binary file.

FAQ

What is favicon .ico size?

Classic favicon.ico files contain multiple square bitmaps—commonly 16×16, 32×32, and 48×48 px. Each layer is a separate resolution inside one file.

Can Toolcore create the .ico file?

This page exports PNG at each layer size. Download 16, 32, and 48 px, then combine with an ICO tool or your build pipeline.

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.