Automatically Rotate a Group of Images:

With reaConverter Lite you can automatically rotate a group of images by following a few simple steps. Here they are below:
Automatically Rotate a Group of Images

How to Convert to PDF/A

So in case you want to secure your documents for later use, try reaConverter’s latest edition supporting conversion into PDF/A-1b, which is a synonym for ISO 19005-1 Level B conformance:
How to Convert to PDF/A

How to Convert DWG and DXF Files to a Required AutoCAD Version

Converting DWG and DXF images from a particular AutoCAD version to a required one (newer or an older) is now possible with no more than a few clicks using reaConverter’s latest edition.
AutoCAD Versions Converter

How to change DPI or PPI

reaConverter Lite, a freeware tool — can help you change the DPI of several images at once by following a few easy steps.
3 Easy Steps to Changing the DPI for Several Images