You can read PDFs and even rotate the pages on Edge browser. Windows 10 has an inbuilt browser known as Microsoft Edge, which unlike the popular belief is quite powerful. Read: How to Reduce PDF File Size Without Losing Quality How to Rotate PDF on Windows So, it’s always a good practice to make a backup copy of your PDFs before you start editing it. Most of the following programs makes batch changes to the PDFs, and often lacks undo button.