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 ...

You don’t need a professional document scanner machine. You can quickly turn any paper document into a digital file with your iPhone. This capability is beneficial for handling business receipts, ...