PNG to ICO Converter
Convert PNG to a complete web icon pack — favicon.ico (16, 32 & 256 px), apple-icon.png (180 px), icon-192.png, icon-512.png, and site.webmanifest — all in one ZIP file
Choose PNG file or drag & drop here
How to Convert PNG to Icon Pack
Upload a PNG file by clicking the upload area or dragging and dropping
We generate favicon.ico (16×16, 32×32, 256×256), apple-icon.png (180×180), icon-192.png, icon-512.png, site.webmanifest, and README.txt
Download the ZIP and place files as described in README.txt — works with Next.js, plain HTML, and any PWA
About PNG to ICO Conversion
What is a PNG file?
PNG (Portable Network Graphics) is a lossless compressed image format with full transparency support. It is the most common source format for creating icons due to its high quality and alpha channel support.
- History: PNG was developed in 1995 as an open, patent-free alternative to GIF. It became a W3C standard in 1996 and is now the dominant lossless raster format on the web.
- Purpose: PNG is used for web graphics, UI elements, logos, and any image requiring lossless quality or transparency. It is ideal as a source image for icon creation.
- Developed by: PNG was created by the PNG Development Group and became a W3C standard in 1996.
- Release: PNG 1.0 was released in 1996 and became an ISO standard in 2004.
What is an ICO file?
ICO is a Windows icon format that stores multiple image sizes in a single file. Icons are used for app shortcuts, taskbar buttons, browser favicons, and system UI. Standard sizes range from 16x16 to 256x256 pixels.
Why Convert PNG to ICO?
Applications, websites, and operating systems require icons in specific sizes. Converting a PNG to an ICO pack generates all required sizes at once — saving time and ensuring compatibility with Windows apps, browsers, and desktop environments.
Frequently Asked Questions
How to open ICO files?
ICO files can be opened with Windows built-in tools, image editors like GIMP or Photoshop, or dedicated icon editors. Browsers use .ico files automatically for favicons.
How to create ICO files?
Use our free online converter at convertapp.net to convert any PNG to a complete web icon pack (favicon.ico, apple-icon.png, icon-192.png, icon-512.png, site.webmanifest) instantly.
Which format is better: PNG or ICO?
PNG is better for web use and general images. ICO is required specifically for Windows application icons and browser favicons. Use PNG as your source and convert to ICO when needed for deployment.