A free program for Android, by PDF Reader Apps.

Safekeeping heavy PDF files within your mobile device is a surefire way to slow its system down. You are basically allowing the file to sit idly there and eat up a lot of storage memory.

That’s why this app is a very good idea.

PDF Compressor is capable of compressing PDF files so that they take up less space on your device. You don’t have to worry about losing the quality of your PDFs since this tool ensures that the compression process does not downgrade the other areas.

This app works completely without any internet connection. There is no limit to the amount of files you can process or compress, and it is absolutely free.