Convert PNG to ICO Create Favicons & Windows Icons

Convert your PNG images to ICO format to create favicons for websites and icons for Windows applications. Our PNG to ICO converter generates properly formatted multi-resolution ICO files from a single PNG source image.

Free Forever No Login No Watermark Unlimited On Mobile 48h Auto-Delete

Drop an image here or click to browse

Up to 10 images per batch (10MB each). Download or share, clear the queue, and start your next batch anytime. JPG, PNG, WebP, AVIF, HEIC, GIF, BMP, SVG, TIFF.

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Active shares auto-delete after 48 hours · save up to 50 MB

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How It Works

1

Upload

Add the image in its current format.

2

Pick output format

Choose ICO or another format from the list — JPG, PNG, WebP, AVIF, and more.

3

Set quality

For lossy formats, adjust quality if the option is shown.

4

Download

Save the converted file.

How to convert an image format online

Open the tool above, upload your image (JPG, PNG, WebP, HEIC, AVIF, and more), adjust the settings, and preview the result in your browser. When you are happy with the output, click Download to save it to your device or Share to get a temporary link. No account is required, and you can process up to 10 images per batch.

Why use imageresize.cc for format conversion?

  • Free and fast — no signup, no watermarks, no daily caps on batches.
  • Private by default — preview and editing happen in your browser; files are only uploaded if you choose Share.
  • Works on any device — phone, tablet, or desktop with a modern browser.
  • Batch-friendly — queue up to 10 images (10 MB each), export, then start your next batch.

Tips for Convert PNG to ICO — Create Favicons & Windows Icons

Start from the highest-quality source you have, lock aspect ratio when resizing for social or print, and download a copy before trying a different format.

Need a different workflow? Browse our full tools directory for resize, compress, convert, crop, and social-media presets.

Frequently Asked Questions

Start with a 256x256 or 512x512 PNG for best results. Our converter will automatically generate all the standard favicon sizes (16x16, 32x32, 48x48) from your source image with crisp downscaling.
Yes, our converter automatically creates ICO files containing 16x16, 32x32, and 48x48 versions. This ensures your favicon looks sharp at every size browsers and operating systems might display it.
Yes, the generated ICO file is ready to use. Upload it to your website root as favicon.ico, or reference it in your HTML with a link tag. All major browsers support ICO favicons.
Yes. imageresize.cc is completely free with no signup, no watermarks, and no limits on how many batches you can run. Each batch supports up to 10 images (10 MB each).