Convert PNG to ICO — Multi-Size Icons
Make a real Windows .ico with 16, 32, 48 and 256 px (or any mix) packed into one file, transparency kept. Works for favicons, desktop shortcuts and app icons — created in your browser, never uploaded.
Updated September 2026 · Free · Works entirely in your browser
What an .ico file actually is
An .ico is not one picture but a small directory of pictures of different sizes. Windows, and browsers reading a favicon, pick the entry closest to the size they need — 16 px in a browser tab, 32 px on a high-density tab or taskbar, 48 px in Explorer, 256 px for large desktop icons. Renaming a .png to .ico does not make one; some programs will open it, many will not. This tool writes a proper icon directory with each size you tick stored as a PNG inside it, which keeps smooth transparent edges.
Which sizes to include
| Use | Sizes |
|---|---|
| Website favicon.ico | 16, 32, 48 |
| Windows desktop shortcut or folder icon | 16, 24, 32, 48, 256 |
| Windows application icon | 16, 24, 32, 48, 64, 128, 256 |
Getting a crisp small icon
Detail that looks fine at 256 px turns to mush at 16 px. Start from a simple, bold mark — a letter, a single shape, strong contrast — and keep thin lines out of it. Artwork that fills the square edge to edge reads better at tiny sizes than a logo with lots of empty padding around it.
Building a modern site? Browsers also want PNG icons and an Apple touch icon — the favicon generator makes that set, and the favicon sizes guide explains which tags to add. Need a single exact size instead? Use the image resizer.
Gear we recommend for this workflow
As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure.
Wacom Intuos Small, Wired Graphic Drawing Tablet with Pen + Software
Best for precise retouching and illustration
$39.95
Check price on Amazon
Logitech MX Master 3S Bluetooth Wireless Mouse No Receiver - Graphite
Best mouse for long editing sessions
$89.99
Check price on Amazon
Dell 27 Monitor S2725QS, 4K UHD IPS, 120Hz, 5ms, FreeSync Premium
Best for accurate color when editing photos
$268.99
Check price on Amazon
Wacom Intuos Pro Medium, Bluetooth Graphic Drawing Tablet with ProPen 3
Best for precise retouching and illustration
$379.95
Check price on AmazonPrices as of Sep 28, 2026, 2:21 AM UTC. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Frequently Asked Questions
Everything you need to know about image conversion.