ExtensionPedia.com Great resource for information on file extension.
Title
ExtensionPedia - File Extension Resource
Description
Excerpted from the website description:
- Extension Pedia is a comprehensive source of information on the web for file extensions. Extension Pedia maintains a constantly growing catalog of file extensions which allows users to understand a file extension as well as help them find applications that will open a file.
For information on how to use Extension Pedia please visit - http://www.extensionpedia.com/html/howto.html
For a list of supported file extensions please visit - http://www.extensionpedia.com/html/list.html
If you are looking for a specific file extension just type in http://www.extensionpedia.com/html/pdf.html in your brower's address bar and replace 'pdf' with the file extension you are looking for.