Apps with 'Scan to JPEG' feature
Paint.net is a free and very capable image editing software for Windows. Great alternative to Photoshop for people that do not need all the stuff PS offers.
Simple Scan is an easy-to-use application, designed to let users connect their scanner and quickly have the image/document in an appropriate format.
Office Lens trims, enhances, and makes pictures of whiteboards and docs readable. You can use Office Lens to convert images to PDF, Word and PowerPoint files, and you can even save images to OneNote or OneDrive.
Pocket Scanner Ultimate turns your iPhone or iPad into a portable document scanner for efficient document management.
Scan documents easily using your mobile camera.