ICO File Extension

The ICO file extension was created by Microsoft and is also known as the Icon File. ICO is classified as a Common File Types and This File type categories under Zip, Text, Binary and XML, however, the format of this file format has not been determined yet. You can open ICO files in Microsoft Windows Photos program.

Icon File Type

What is a ICO File Type?

All icons for executable files in Windows are saved in ICO format. Typically, Windows ICO files store images from 16x16 to 256x256 pixels. The old ICO n'include only images up to 48x48, which was previously recommended by Windows. Most new icons, however, include images up to and including 256x256 to accommodate screens with higher DPI.

Each image in an ICO file with less than 32 bits of color stores two bitmaps: 1 the AND bitmap - the mask d' image (which determines which part of the icon is transparent) and 2 the XOR bitmap - contains the apos; icon that is mapped on the mask d' image. The color 32-bit images are 24-bits with 8 channels-bits for alpha composition.

What is a Default ICO File Name?

Favicon.ico - A file used to store a small Web site logo that may appear in various areas; a web browser, including the d&apos bar; address, web bookmark and the web page tab. If there is a favicon image on a Web site, it will appear on the left of the page; Web address when it is loaded; or which page of the Web site is loaded. The file d' image favicon.ico must be 16x16 pixels and stored in the directory root of the website so that the browser can recognize it.

Free Online ICO Tools & Apps

Access powerful and secure free online ICO tools to convert, view, edit, merge, split, and compare ICO files — all without installing any software. Our tools support the .ICO (Icon File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your ICO files directly from your device with ease.

ICO Converter

Open ICO

Edit ICO

Compare ICO Files

Merge ICO Files

Split ICO Files

ICO Metadata Viewer

ICO Files Common Issues

There are few common issues with the Icon File .ICO File Extensions while opening the .ICO files on Windows and MacOs, we have solution to those issues such as:

Can't Open ICO Files?

1. You must have supported software programs installed for Icon File on your system such as Microsoft Windows Photos.
2. Associate default Microsoft Microsoft Windows Photos program for *.ico (Icon File) files.
   
   

   Associate ICO Default Program on Windows

   1. Right-click a *.ICO (e.g example.ico) file and click Open With.
   2. In the Open with dialog box, click Microsoft Microsoft Windows Photos program Or click Browse to locate the program (*.exe) that you want.
   3. Select check box for Always use this app to open .ico files.
   
   

   Associate ICO Default Program on MacOs

   1. Click *.ICO (e.g example.ico) file and click information -> Open With.
   2. In the programs list, click Microsoft Microsoft Windows Photos program Or other appropriate program that you want.
   3. Confirm Change for all... and Contine.
   4. A message will appear "This change will be applied to all files with .Microsoft Windows Photos extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related ICO File Extensions

ICO default file extension is .ICO and other similer related extensions are:

All Platform Software Programs for ICO File Extension

List of all softwares that can open the ICO files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Open ICO File on Windows

	Software	License	Developer
	ACD Systems ACDSee 2019 for Windows	Commercial	ACD Systems
	ACD Systems Canvas X 2019 for Windows	Commercial	ACD Systems
	GIMP 2.10 for Windows	Freeware	GIMP
	Newera Graphics Converter Pro 3 for Windows	Commercial	Newera
	Inkscape 0.92 for Windows	Open Source	Inkscape
	Natron 1 for Windows	Open Source	Natron
	Nero 2019 for Windows	Commercial	Nero
	Adobe Photoshop 2020 for Windows	Commercial	Adobe
	Corel VideoStudio 2020 for Windows	Commercial	Corel
	Microsoft Windows Photos 2020 for Windows	Bundled	Microsoft

Open ICO File on Mac OS

	Software	License	Developer
	Google Drive 2020 for MacOs	Freeware	Google
	GIMP 2.10 for MacOs	Freeware	GIMP
	Lemkesoft GraphicConverter 9 for MacOs	Shareware	Lemkesoft
	Newera Graphics Converter Pro 3 for MacOs	Commercial	Newera
	Inkscape 0.92 for MacOs	Open Source	Inkscape
	Natron 1 for MacOs	Open Source	Natron
	Adobe Photoshop 2020 for MacOs	Commercial	Adobe
	Apple Preview 10 for MacOs	Bundled	Apple

Open ICO file on Linux

	Software	License	Developer
	GIMP 2.10 for Linux	Freeware	GIMP
	Inkscape 0.92 for Linux	Open Source	Inkscape
	Natron 1 for Linux	Open Source	Natron
	Adobe Photoshop 2020 for Linux	Commercial	Adobe

Open ICO file on Web

	Software	License	Developer
	Google Drive 2020 for Web	Freeware	Google

Open ICO file on iOS

Open ICO file on Android

About Licensing

1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
3. Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

About ICO - Icon File