New Zealand startup Notable PDF has created an online tool to help users collaborate and annotate PDFs online.

Voice-to-text features are gaining popularity in mobile apps for their convenience. With voice commands instead of typing, ...

Here’s how to annotate PDFs on Google Drive for Android To annotate a PDF on Google Drive app, follow the steps below.

After exploring the offerings for each tool, PDF24 Creator is easily the best free option around right now. Having tested out ...

PDF Expert’s selection is also smart: if you select two shapes, the popup menu will show options for shape thickness and color (also new in version 4.6); if you drag the selection on top of text ...

The reason I’m sticking to PDF Expert for my PDF needs, however, is very simple: it combines a fast engine with unique annotation tools that can be carried over to the Mac. PDF Expert takes seconds to ...

PDF Expert offers a full slate of annotation tools, allowing you to highlight text and add marginalia, notes, stamps, and shapes.

Other popular PDF editing and annotation tools require a network connection to work, along with charging separate fees for each of the platforms you use.