ICO viewer
To open an ICO file, drop it in the box below. It opens straight away, even with no extension or the wrong one. Your browser opens it on your device: nothing is uploaded.
Open in
Opened on this device, never uploadedDrop or paste another file at any time
What you see
| ICO in the viewer | |
|---|---|
| Sizes | Your browser shows one of the sizes inside |
| Transparency | Shown on a checkerboard |
| Zoom | Up to 3200%, with sharp pixels at 100% |
| Extensions | .ico |
| Upload | None: opened on your device |
What is an ICO file?
In short
ICO is the Windows icon format, also used for website favicons. One file can hold the same icon at several sizes.
The icon, as your browser draws it, with zoom and its size in pixels.
How to open an ICO file
- Add your ICO. Drop the file in the box, choose it or paste it.
- Look at it. The icon, as your browser draws it, with zoom and its size in pixels.
- Take it further. Open in hands it, in a new tab, to File converter or Batch.
Questions
Convert a PNG to ICO with Open in, Convert, or the PNG to ICO converter.
No. The viewer runs in your browser and opens the file on your device. Nothing is sent anywhere.