WhatsApp’s document scan feature is currently only available for iOS with the latest WhatsApp version. If you are using an Android device, you can use these free apps to scan and send documents ...

You can easily export your document as a PDF and share it via email or text message, making it simple to send signed contracts, invoices, or other important paperwork.

You don't need to buy a scanner to sign, scan and send official documents -- just follow these steps to use the scanner right on your iPhone.

Google Drive for iPhone and iPad lets you scan documents directly to the cloud - here's how the new feature works.