(If you don’t see a box this big, click the triangle (boxed in blue here) to expand it.) Notice the “Quartz Filter: Reduce File Size” (boxed in red). UPDATE: In Mac OS X Lion, Preview’s File menu doesn’t have a Save As… command! It does have an Export… command, and that’s what you’ll choose in Lion. Get your document open in Preview, then choose Save As… from Preview’s File menu. That’s too big to email, so you need to compress it. You can see the size (boxed in red): 13.8 megabytes. Here’s the Get Info box for the Keynote ’09 Manual (you know: click on the icon once, then File/Get Info).

(If Acrobat opens when you double-click a PDF, try Control-clicking on a PDF’s icon and then choosing “Open With…” and then “Preview.”) Here’s an easy way to do it, and it uses Apple’s Preview program, something that comes with every Mac. Sometimes you have a PDF that you want to compress, usually because you want to email it and you know it’s too big to send.

Free pdf readers for mac 10.7