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 ...

PDFs can be a pain. As they were initially designed to be forms that were printed out and filled in by pen, they can feel somewhat anachronistic in the modern digital age. But, it’s not as hard to ...