File Extension Database

File extension database currently contains information about 12,178 file extensions and is growing daily.

You can either search the database by typing file extension in the search box above or navigate it by alphabetical list using the table below.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Number

If the file extension in question is not in our database yet you will be redirected to form that will allow you to submit new file extensions for our researchers to look at and add to the database.

Please be aware that our resources are limited and we may not be able to respond to all requests immediately.

You can also choose from the list of most frequently searched extensions.