When you share a PDF document, you might not want all the information it contains to be visible. Here's how to simply redact parts of a PDF.

This post covers free software and online services to redact PDF. You can black out text in PDF or use other colors to hide sensitive information.

Removing text from a PDF isn't as easy as drawing a black bar across it. Fortunately, redaction tools let you truly erase sensitive text in Preview, Adobe Acrobat DC Pro, and PDFPen.

To edit a PDF file on your Android for free, you can use the Adobe Acrobat Reader: Edit PDF app. While you can’t modify existing text or images with a free account, you can add new text ...

Editing a PDF in Google Drive isn’t overly difficult, and our guide will help you every step of the way.

In iOS, Apple's stock Files app is a handy place for keeping PDF documents on your iPhone or iPad. Not only can you view and organize your documents in the Files app, but it also provides you with ...

PDF files are supposed to represent the final, edited version of your document that you don't want people to edit or amend. As with any significant piece of text however, finding minor errors ...

If you need to edit PDF on iPhone in a hurry, you can do so without having to install any new app. Just use the native Files app. Let's show you how.