How to sign a PDF on your Android phone or tablet, without having to print or scan

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

‘It’s really useful if you don’t have a scanner’: Woman shows little-known iPhone trick to making a PDF on your phone. You don’t need an app

Attention all iPhone users: If you need to turn an important physical document into a PDF, all you need is the Notes app. TikTok user Francine (@americanbigfootcenter) shares this game-changing hack ...
Lifehacker

How to Create a PDF From Any Website, on Any Device

When you need to send a web page (or any document) as a PDF, you have a lot of options that don’t involve using Adobe’s paid Acrobat app. Most methods are integrated right into your device’s operating ...
The Verge

How to create a signature for PDF documents on a Mac

It’s easy to sign off using the Preview app It’s easy to sign off using the Preview app is a reviews editor who manages how-tos and various projects. She’s worked as an editor and writer (and ...