Convert PNG to ICO Free Online
Fast, private PNG to ICO conversion. No signup required. Files never leave your browser until conversion.
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Multiple files supported · Max 20 MB each
Private
Files never stored
Batch
Multiple at once
Lossless
Quality control
Why Convert PNG to ICO?
Converting PNG to ICO is essential for creating website favicons and Windows application icons. ICO is the standard icon format recognized by all browsers and Windows systems.
Common Use Cases
- Creating website favicons
- Windows application icons
- Desktop shortcut icons
Source Format
PNG
Portable Network Graphics
PNG is a lossless raster image format that supports transparency. It is widely used for web graphics, screenshots, and images that require crisp edges or transparent backgrounds.
+ Lossless compression preserves every pixel
+ Full alpha transparency support
+ Universally supported across all browsers and platforms
- Larger file sizes compared to lossy formats like JPEG or WebP
- Not efficient for photographs with complex color gradients
Target Format
ICO
Icon File Format
ICO is the standard icon format for Windows applications and website favicons. It can store multiple image sizes in a single file, typically up to 256x256 pixels.
+ Standard format for favicons and Windows icons
+ Stores multiple resolutions in one file
+ Transparency support
- Maximum size of 256x256 pixels
- Limited to icon use cases
Quality & Size Notes
ICO files are limited to 256x256 pixels maximum. Larger images will be automatically resized. For favicons, 32x32 or 16x16 is standard.
Frequently Asked Questions
What size should my PNG be for a favicon?
For best results, use a 32x32 or 64x64 pixel PNG. The converter will resize larger images to fit within the 256x256 ICO maximum.
Can I use PNG directly as a favicon instead of ICO?
Modern browsers support PNG favicons, but ICO has universal compatibility including older browsers and Windows shortcuts.
Does ICO support transparency?
Yes, ICO supports transparency, so your PNG's transparent background will be preserved.