PDF Converters and Compressors

An archivist may need to compress his articles in order to b able to store more. This is a list of pdf converters and compressors, so you may be able to compress your material. 

Small PDF

This one is mostly recommended if you can use the Pro version. Otherwise it is not very good. 

Microsoft Word

Sejda 

InkScape (it`s an image editor programme but it has a pdf editor too)

PDF Escape

PDF Xchange Editor

PDF Element

PDF Bob

I love PDF Bob!