Gone are the days when you needed a bulky scanner to digitize important documents: Your iPhone is a high-quality scanner that you always have in your pocket. Whether you need documentation for ...

The PDF format is meant to be non-editable, but if you scan a document that comes out too light or receive a contract with type that is too faint to read, you need a way to darken a PDF. Here are a ...

Is there a free way to scan a group of PDF files to find the one that is reported corrupt? Acrobat Pro seems to just say "I skipped one file because it's either corrupt or you don't have access" when ...

To properly sign a PDF on your Android phone or tablet, you'll need to download an app from the Google Play Store.

You can digitally sign a PDF in several different ways, including Adobe Acrobat, Apple's Preview app, and mobile apps, among ...