PDFs are extremely versatile for business, particularly for sending different types of formatted documents and media in one multi-page file. Brochures, presentations, contracts, text documents, ...

PDF files are pretty much just pictures of documents. In point of fact, many of them are just that – scanned paper documents that are put into the PDF format, as it’s a fairly common one with free ...

Gimp is normally used to create or manipulate images files, but can also work with PDFs if you understand how it works and what it's limits are. If you’ve never used Gimp—a free image editor available ...

Use Preview: Open the PDF in Preview, click File > Export, select “Reduce File Size” under Quartz Filter, and save. Use ColorSync Utility: Open the PDF in ColorSync Utility, click File > Export, ...