Preview is fine for quickly checking PDFs on macOS. But if you need to edit, combine, annotate, and sign documents, PDF Reader Pro for Mac is an essential upgrade. In a limited-time price drop, you can get a lifetime license for only $29.97 (Reg. $60) via 9to5Toys Specials.

According to one Google study, 90% of searchable documents online are PDFs. That's everything from membership forms to financial reports. And chances are, you come across them pretty often at work.

If you want to make viewing and editing these documents less frustrating, PDF Reader Pro is worth your attention. Rated at 4.4/5 stars on the Mac App Store, this all-in-one PDF office provides a fast and flexible workflow.

Say you want to make some changes to an existing document. With PDF Reader Pro, you can edit the text and images, add new links, and rearrange the pages as needed.

When you're working with multiple documents, you can use PDF Reader Pro for batch conversions. Along the way, you can add custom headers, footers, and watermarks.

PDF Reader Pro also offers impressive annotation options, powerful OCR, and tools for filling and signing forms. You can even redact sensitive data if you need, and add secure password protection to entire documents.

It's a package that has earned plenty of plaudits, with an average user rating of 4.7/5 stars on G2 and over 90 million users worldwide.