Workbench
Protect PDF with Password Online — Free & Unlimited, No Signup
Selected Tool
Merge PDF
Mode
Library
All PDF Tools
Security
Protect PDF with Password online
Lock a PDF with a password so only the right people can open it.
How to use
- Upload the PDF.
- Enter the password you want to set.
- Run the tool and download the protected file.
Frequently asked questions
How strong is the encryption?
Files are encrypted with 256-bit AES, the standard used for confidential documents.
What if I forget the password?
It cannot be recovered. Store it somewhere safe before you share the file.
Is Protect PDF with Password free to use?
Yes. There is no account, no daily limit and no watermark. Files can be up to 200 MB each.
What happens to my files?
Uploads and results are stored only while the job runs and are deleted automatically about 15 minutes later.