FileInfo.com

File Type of the Day

Today • April 28

.JSP

Jakarta Server Page

A JSP file is a Java document used to dynamically generate a webpage using Jakarta Server Pages (JSP) functions. It is similar to an .ASP or .PHP file, except it contains Java code instead of ActiveX or PHP.

April 27

.CSR

Certificate Signing Request File

A CSR file is a file created as a signing request for a digital certificate. It contains an encrypted block of text that identifies the applicant of the certificate and includes encrypted data for country, state, organization, domain, email address, and public key.

April 26

.ALS

Ableton Live Set File

An ALS file is an audio project, or "live set," file created by Ableton Live, a program used for creating electronic mixes. It saves the arrangement of clips on a multitrack timeline with mix settings and references to the clips, but not the clip files themselves.

Universal File Viewers

Open your files with one of these file viewing utilities recommended by FileInfo.com.

File Viewer Plus For Windows

File Viewer For Mac

File Viewer For Android

About FileInfo.com

FileInfo.com contains a searchable database of over 10,000 file extensions with detailed information about the associated file types. You can look up information about unknown file types and find programs that open the files. Learn more about FileInfo.com.