Graphics Information Sites

Graphics Interchange Format (GIF)

Specifications: http://www.w3.org/hypertext/WWW/Graphics/GIF/spec-gif87.txt

Portable Network Graphics (PNG)

Archive: swrinde.nde.swri.edi:/pub/png
Incoming: swrinde.nde.swri.edu:/pub/incoming/png
Trouble: ksp@swri.edu

PNG-related web pages, including the PNG specification, are available at the following URL: http://quest.jpl.nasa.gov/PNG/

JPEG

FAQ: http://www.cis.ohio-state.edu/hypertext/faq/usenet/jpeg-faq/faq.html