Password Protect PDF Online
The fastest way to edit, sign, and convert PDFs.
How to password protect a PDF
Upload or drag & drop your file into the window
Wait a few seconds as our PDF compressor reduces the file size
Find your compressed PDF in your Downloads folder or PDF Guru account
Everything you need to work with PDFs — all in one place
User favorite
Based on ratings, reviews, and reliability
Ease of Use
4.9
Features
4.8
Speed
4.9
Support
4.8
Security
4.9
Value
4.9
Sarah Mitchell
Marketing Manager
Easy to use and incredibly powerful. I edit dozens of PDFs every week and this tool has saved me hours of work. The interface is intuitive and the conversion quality is excellent.
James Kim
3 years using PDFScale
The best PDF editor I've used. Clean interface, fast processing, and all the features I need in one place. Highly recommended!
Maria Lopez
Small Business Owner
Good service and reliable. I use it daily for contracts and invoices. The eSignature feature is a game-changer for my business.
David Robinson
2 years using PDFScale
Perfect for editing research papers and assignments. The conversion tools work flawlessly every time. Great value for money.