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 ...

1] Convert text to PDF If you’re interested in converting your text document via Notepad to PDF, then we suggest launching Notepad, type your text, then click on File, then Print.

If you're wanting to convert an image into text, Google Docs has a powerful Optical Character Recognition feature built right in. Here's how to make it work.

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.