FileInfo.com - The File Extensions Resource

.JPEG File Extension

File Type	JPEG Image File
File Format	File
Common?	No
File Description	Compressed graphic format standardized by the Joint Photographic Experts Group (JPEG); supports up to 24-bit color, which makes JPEG a good format for storing digital photos; compressed using lossy compression, which may noticeably reduce the image quality if high amounts of compression are used. JPEG images are commonly used for Web graphics and for storing photos taken with digital cameras. They are usually saved with a .JPG extension. View the JPEG definition.
Program(s) that open jpeg files	Mac: Apple Preview; Nuance OmniPage Pro X; Roxio Toast; The Logo Creator; Any picture viewer program; Any Web browser such as Safari or Firefox Windows: Microsoft Photo Editor; ACDSee Photo Manager; Nuance PaperPort; Nuance OmniPage Professional; Roxio Creator; The Logo Creator; FastPictureViewer; Any picture viewer program; Any Web browser like Internet Explorer or Firefox Unix: GIMP - The GNU Image Manipulation Program

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/jpeg