JPEGView was a popular image viewer

Image viewer

An image viewer or image browser is a computer program that can display stored graphical image; it can often handle various graphics file formats...

 for Mac OS

Mac OS

Mac OS is a series of graphical user interface-based operating systems developed by Apple Inc. for their Macintosh line of computer systems. The Macintosh user experience is credited with popularizing the graphical user interface...

 in the 1990s by Aaron Giles. Initially released in 1991 it was one of the first internet

Internet

The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite to serve billions of users worldwide...

 image viewers for Mac OS. The program was also the first postcardware

Postcardware

Postcardware, also called just cardware, is a style of software distribution similar to shareware, distributed by the author on the condition that users send the author a postcard.This is similar to beerware...

. Giles said he had "received somewhere between 5,000 and 10,000 postcards". The program supported viewing JPEG

JPEG

In computing, JPEG . The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality. JPEG typically achieves 10:1 compression with little perceptible loss in image quality....

 files with or without QuickTime

QuickTime

QuickTime is an extensible proprietary multimedia framework developed by Apple Inc., capable of handling various formats of digital video, picture, sound, panoramic images, and interactivity. The classic version of QuickTime is available for Windows XP and later, as well as Mac OS X Leopard and...

 installed as well as featuring slideshow

Slideshow

A slide show is a display of a series of chosen information or pictures, done for artistic or instructional purposes. Slide shows are conducted by a presenter using an apparatus, such as a carousel slide projector, an overhead projector or in more recent years, a computer running presentation...

s (something that Apple's

Apple Computer

Apple Inc. is an American multinational corporation that designs and markets consumer electronics, computer software, and personal computers. The company's best-known hardware products include the Macintosh line of computers, the iPod, the iPhone and the iPad...

 PictureViewer couldn't do). JPEGView was the default external image viewer for a number of web browsers, including both Internet Explorer

Internet Explorer

Windows Internet Explorer is a series of graphical web browsers developed by Microsoft and included as part of the Microsoft Windows line of operating systems, starting in 1995. It was first released as part of the add-on package Plus! for Windows 95 that year...

 and Netscape Navigator

Netscape Navigator

Netscape Navigator was a proprietary web browser that was popular in the 1990s. It was the flagship product of the Netscape Communications Corporation and the dominant web browser in terms of usage share, although by 2002 its usage had almost disappeared...

External links

• Download JPEGView - from developer Aaron Giles’ own site. Includes source code permission.
• Peter Ammon's JPEGDeux - a JPEGview clone for Mac OS X*