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 ...

Learn what an M3U8 file extensions stand for and how you can use the file type.

A CSV (comma-separated values) file is a text file in which information is separated by commas. CSV files are most commonly encountered in spreadsheets and databases. You can use a CSV file to ...

A vector graphics file is an image that can be made infinitely large or small without losing quality. Common vector file types include .AI (Adobe Illustrator), .EPS (Encapsulated Postscript), and ...

This free Web service does one thing and does it well: changing your file formats instantly with no hassles.