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AVIF to ICO Converter

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Turn an AVIF image into a multi-resolution ICO icon in seconds. Pick the sizes you need (16, 32, 48 px and up) to build a favicon or Windows application icon — all generated locally in your browser.

Drag an image here, paste from clipboard (Ctrl+V), or

Supports PNG, JPG, WEBP, GIF, BMP

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How to use AVIF to ICO

  1. Drag and drop, paste, or browse to select your AVIF image.
  2. Choose which icon sizes to include (16, 32, 48, 64, 128, 256 px).
  3. Click "Download .ico" to save the multi-resolution icon file.

What is AVIF to ICO?

ICO is the container format Windows and web browsers use for icons and favicons. A single ICO can hold several square sizes so the operating system or browser picks the sharpest one for each context.

This tool decodes your AVIF, centre-crops it to a square, and renders each selected size into a single ICO file. AVIF is a modern, highly compressed source format; once your browser decodes it, the icon sizes are produced exactly like any other source image.

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FAQ

What icon sizes can I include?
You can include any combination of 16, 32, 48, 64, 128, and 256 pixel sizes. 16 and 32 px are the most common for favicons; include larger sizes for high-DPI displays and desktop icons.
My AVIF is not square — what happens?
The image is centre-cropped to a square before each icon size is rendered, so the most important central area is kept and the icon stays undistorted.
Is my image uploaded anywhere?
No. The AVIF is decoded and the ICO is built entirely in your browser. Your image never leaves your device.

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