There are two simple ways to remove the password from a PDF file, one of which works no matter what software you have.

Google Chrome for Android will soon finally open PDF files on its own without the need for a third-party app. You can search through PDFs or annotate them before saving them to Google Drive. This ...

Free software on your phone or tablet lets you scan, create, edit, annotate and even sign digitized documents on the go.

We get documents in PDF format from the government or other agencies. Some documents come with digital signatures placed on the pages. If they are already validated, we see a Signature Valid message ...

You can convert Apple's HEIC files to PDF on a Mac or Windows computer using the free Convertio website.