Tweak PDF Manager is a PDF editor with seven functioning tools – bringing everything you need right to your fingertips.
These seven free features are likely to make your life a whole load easier.
You can merge, split, compress, rotate, convert and add watermarks and page numbers to your PDF documents within seconds.
Tweak also has a very useful drag-and-drop feature, that is great from simply pulling your files from your desktop to edit online.
Of course, if you’d rather not use that feature, you can always click the center of the screen and upload your files manually. Or better still, you can upload straight from Dropbox.