Lock a PDF with a password, or remove a password you already know — free, no signup.
Choose your PDF
Add or remove password
Download the result
Add a password so a PDF cannot be opened without it, or remove a password from a PDF when you already know it.
Draw, type or upload a signature, add a stamp - on a PDF, JPG or PNG.
Turn every page into an image so the text can't be copied or edited.
Combine several PDFs into one file.
Split a PDF, or pull out just the pages you want.
Remove pages you don't need.
Insert blank pages, another PDF or images anywhere.