Portable document format (PDF) files remain a popular choice for business documents ranging from contracts and forms to manuals and reports, so there's a good chance you need to open them often.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. We tested out the best free PDF editors for designing and modifying documents completely free of ...

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 ...