Open the JPG image file you want to convert into an icon. With the plugin, you merely need to save the file with the file extension of .ico to create the icon.

Icons use the ICO file extension, but due to file formatting issues, it won't work to simply change the file extension of a JPEG file to ICO.

Some of the files the manifest points to are the icon files, which visually represent your extension in the browser.

Microsoft hides file extensions in Windows by default even though it's a security risk that is commonly abused by phishing emails and malware distributors to trick people into opening malicious files.

kitsuneko (@kituneponyo) has released `` an extension function that returns the icon of the browser version of Twitter from `` X '' to `` blue bird '', so I actually introduced the extension and ...