PNG is an image format which has been supported since 1997 by browsers from Netscape and Microsoft.  It is a standard supported by the World Wide Web Consortium.  It is a lossless format like GIF, but compresses the picture better and supports full color imagery (up to 48 bits per pixel!).   The picture below is an RP-133 conformant SMPTE (Society of Motion Picture and Television Engineers) video test pattern.  If you click on it, you will be brought to a small gallery of great png images.

small SMPTE RP-133 pattern
PNG Gallery

    I am sorry if you are unable to view the image with your old browser.  It is time to update, don't you think?  It is likely that a lot of those GIF images (and all of the TIFF ones) on the web will be becoming PNG.

[PNG (apps) now!]
Visit the PNG home page at:   www.libpng.org/pub/png

    I decided to add this to my web page because my normal image viewer when in Windows 95 does not yet support PNG format.  It is a very nice program (VuePrint (aka PhotoVue Plus)) by Hamrick Software, and I have suggested to Ed Hamrick that he add PNG support.  He told me that no one was using PNG yet, so here's at least one page that does!  If youare a licensed VuePrint user and want PNG, you can write him a polite letter at support@hamrick.com.

    The image viewer I use in os/2 has supported PNG for over three years.  It is called Galleria and is available at Bitware Australia.   To save space on my disk, I used Galleria to convert all my GIF files to PNG. Of course, I could pay someone else another shareware fee and be able to view or modify my PNG files under Windows 95 too, but I like VuePrint!

    For (many of) those looking for a free way to look at PNG images now, I discovered a really nice freeware utility called IrfanView.  It is available from Irfan Skiljan.  It is a win-32 (95/98/NT) application which supports a wide variety of graphic formats. Conversion between the formats is easy, and it has a large selection of image filters and other effects.

   Wow, someone is reading these pages!  I was contacted by Bud Hornsby of Photodex, Inc., who sent me e-mail with the subject "We support PNG!".  So I had to check out their product, called CompuPic.   It is simply exceptional, and the price is $40, with a 15-day free trial period (same as VuePrint).  CompuPic is superior to VuePrint in almost all areas.  (VuePrint would be the better choice if you use digital photography, need a pkzip utility, or English is not your native language.)  CompuPic is available for Win95, Win3.1, and the Macintosh. It supports over 23 graphics formats, many multimedia formats, has a great slideshow capability, and can generate image catalogs.  It has several extra-cost add-ons, such as file encryption and an "advanced batch conversion" utility.  I'm keeping VuePrint, but CompuPic has become my main image utility.


Rich Franzen 
Color Space Overview 
PNG 16 Overview 
PNG 16 Technical 
 



Accesses since 1998-08-15
Last updated 2004-10-26

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