All tools you'll need to easily work with PDF are 100% free :

Merge-PDF, Split-PDF, Rotate-PDF, Protect-PDF, Unlock-PDF

Merge PDF
Merge PDF documents&files into single PDF - Free and online tool for windows and Mac, drag and drop it's very easy
Split PDF
Split PDF into individual pdf files- Online tool to split in free and fast your pdf file into multiple files / pages
Rotate PDF
Rotate PDF pages, Free online tool to rotate pages from your documents / files as you like (Rotate upside , down, rorate right or left ), it's easy, just rotate and save your new pdf
Protect PDF
Protect pdf with password - Encrypt your PDF and set a password to keep your data confidential- Password pdf protector from copying and editing
Unlock PDF
Free pdf unlocker online tool for Mac / Windows- Remove PDF password and unlock your secured document/file without password to use it as you like
Extract PDF
Quick and user-friendly tool for extracting specific pages from PDFs. Easily select desired pages, initiate extraction, and save them as a separate file. Streamlined and efficient for hassle-free page extraction.