WEBP to ICO Converter

About WEBP to ICO

Builds a Windows icon (.ico) from a WebP image, with a choice of standard sizes for favicons and app icons. The picture is scaled to fit a square canvas, centered, and left transparent around the edges. It is a quick way to make a favicon from a logo you have as WebP.

How to use it

1. Drop a WebP file into the drop zone, or click to choose a .webp file.
2. Pick an Icon size button: 16, 32, 48, 64, 128 or 256 pixels square, or Original to keep the source proportions, scaled down only when a side exceeds 256 pixels.
3. Optionally type a value from 1 to 256 in the Custom field for an unusual size.
4. Press Convert to ICO and check the Output panel.
5. Press Download ICO to save the file, or Reset to start over.

A wide logo at 32 pixels

A 300 x 200 WebP logo with icon size 32 selected.

The scale is min(32/300, 32/200) = 0.1067, so the logo is drawn 32 wide by about 21 tall, centered with roughly 5 transparent pixels above and below, inside a 32 x 32 icon.

When to use it

• Making a favicon for a website from a logo that only exists as WebP.
• Creating a Windows shortcut icon from downloaded artwork.
• Producing several sizes of the same icon by running the conversion once per size.
• Generating a 256 pixel icon for an installer or desktop app.

Questions about WEBP to ICO

Does the ICO contain several sizes?

No. Each file holds exactly one image at the size you selected. To get a multi-size icon set, convert once per size and bundle the files with an icon editor.

Will my picture be stretched to fit?

Never. It is scaled down or up in proportion so it fits inside the square, and any leftover space is transparent, so a wide logo has empty bands above and below.

What is the biggest icon I can make?

256 by 256 pixels. Larger custom values are clamped to 256, which is the ceiling of the ICO directory format, where a stored size of 0 means 256.

Which size should I pick for a favicon?

32 by 32 is the usual default for browser tabs, with 16 by 16 as the classic minimum. Use 48 or above for desktop shortcuts and higher for high-density displays.

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