A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows the ...

Google Chrome users can now turn JavaScript bookmarklets into Chrome extensions in just a few clicks thanks to a new tool created by U.K.-based Web developer Peter Legierski. The process is not as ...

A file extension is a suffix that is added to the end of a file name after a dot. It is usually two to four letters long. File extensions help Windows and other operating systems to know the standard ...