AVI files can be saved and played by your AVI player separately from your browser. See The FAQ section to learn how. Displays Adobe Acrobat documents. The reader offers search, print and other features and is available across many platforms as a browser-based plugin or helper. Available from Adobe on their download page .
Files generally have a .PDF extension.
Files can also be saved and viewed separately from your browser. See The FAQ section to learn how. Displays PostScript documents. Ghostscript can read a PostScript or PDF file and display the results on the screen or convert them into a form you can print on a non-PostScript printer. Especially together with several popular previewers, with Ghostscript you can view or print an entire document or even isolated pages, even if your computer doesn't have Display PostScript and your printer doesn't handle PostScript itself.