PNG to ICO

Convert PNG to ICO instantly using our free online converter. Upload one or multiple PNG images and download ICO files in seconds. Perfect for creating favicons and Windows app icons. No registration required.

PNG to ICO Converter

Convert PNG to ICO for favicons and app icons. Batch supported.

Drag & drop PNG files here, or click to choose.
Tip: For best results, upload a square PNG (e.g. 256×256).
Tip: Upload multiple files to batch convert. Multi-file downloads come as a ZIP.
Privacy: Files are processed automatically and not stored permanently.

What is an ICO file?

ICO is the file format used for:

  • Website favicons
  • Windows desktop icons
  • Application icons

ICO files can contain multiple icon sizes within a single file, making them ideal for software and browser display.

Why convert PNG to ICO?

You may need to convert PNG to ICO if:

  • You are creating a website favicon
  • You need an icon for a Windows application
  • You are packaging software
  • You want to upload a custom icon to a CMS or builder

PNG files are not always accepted for icon uploads, but ICO files are.

How to convert PNG to ICO (3 steps)

  1. Upload your PNG file.
  2. Adjust size settings if needed.
  3. Click Convert & Download to receive your ICO file instantly.

For best results, upload a square PNG (for example, 256×256).

What size should a favicon be?

Common favicon sizes include:

  • 16×16
  • 32×32
  • 48×48
  • 64×64
  • 128×128
  • 256×256

If you upload a large square PNG, the converter will resize it appropriately for icon use.

PNG vs ICO: What’s the difference?

PNG:

  • General image format
  • Widely supported
  • Not always accepted as an icon file

ICO:

  • Designed specifically for icons
  • Used by Windows and browsers
  • Supports multiple sizes in one file

If you’re building a website or application, ICO is usually required.

Frequently Asked Questions

Can I use a PNG as a favicon?

Some modern browsers support PNG favicons, but many platforms still require ICO format.

Does the image need to be square?

Yes. Square images produce the best results for icons.

Is this PNG to ICO converter safe?

Yes. Files are processed securely and deleted after conversion.

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