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AVIF to ICO Converter

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.

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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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Author

AR
Aisha Rahmani"The Visual Storyteller"

Design Technologist & Media Specialist

Aisha bridges the gap between pixels and code. With expertise in image processing, SVG optimization, and video compression, she helps creators, designers, and marketers prepare media that looks great and loads fast. She has spoken at design conferences about accessible visual content and has helped agencies reduce page-weight budgets by up to 60 percent without sacrificing creative quality.

📖 AVIF to ICO on Wikipedia·Image Tools on Wikipedia·AVIF to ICO on Britannica

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