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PNG to ICO Converter

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Convert PNG images into a proper multi-resolution .ico file right in your browser. PNG is the most popular source for icons thanks to its lossless compression and full alpha-transparency support, so edges and rounded corners stay crisp at every size. Choose the sizes you need, click download, and get a standards-compliant icon with embedded PNG frames.

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

Supports PNG, JPG, WEBP, GIF, BMP

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How to use PNG to ICO

  1. Drag and drop your PNG file onto the upload zone, paste it from the clipboard, or click Browse to select it.
  2. Tick the sizes you want inside the .ico — 16×16 and 32×32 are on by default; add 48, 64, 128, or 256 as needed.
  3. Click Download .ico to generate and save your multi-resolution icon instantly.

What is PNG to ICO?

PNG is the most popular source for icons thanks to its lossless compression and full alpha-transparency support, so edges and rounded corners stay crisp at every size. The ICO format can hold several resolutions in one file, letting Windows and browsers automatically pick the best size for each context — from a 16×16 taskbar icon to a 256×256 high-DPI display icon.

This PNG-to-ICO converter runs entirely in your browser using the Canvas API and pure JavaScript, so your image is never uploaded to any server and stays completely private. Each chosen size is embedded as a lossless PNG frame inside the ICO container — the modern, recommended approach. Because PNG preserves transparency, your icon keeps its transparent background in the final .ico.

It is the fastest way to turn a PNG logo or graphic into a real .ico file for a Windows application, a browser extension, or a website favicon that needs legacy-browser support.

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FAQ

How do I convert PNG to ICO?
Upload your PNG image, choose the icon sizes you want to include, and click Download .ico. The conversion happens instantly in your browser with no upload required.
Is my image uploaded to a server?
No. The entire conversion runs locally in your browser using the Canvas API, so your image never leaves your device.
What size should the source image be?
Use a square source of at least 256×256 pixels so every smaller icon size is a sharp downscale rather than a blurry upscale.

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