Drop files here
Protect PDF file
Encrypt your PDF with a password to keep sensitive data confidential.
Select PDF files
or drop PDF here
Need a dependable way to secure your important PDF files? Our advanced tool provides strong encryption and password protection to safeguard your documents from unauthorized access. With an intuitive interface, you can lock your PDFs in just a few clicks.
-
Password - Protect PDF for Maximum Safety
-
Protect pdf from copying with password
-
Add a password to multiple PDFs at once.
Protect PDF document with a password
The “Protect PDF” feature helps you secure your digital documents from unauthorized viewing and sharing. Add passwords, restrict permissions, and encrypt your PDF content so only approved recipients can open or modify the file.
Protect PDFs Reliably and Securely
PdfLion protects your data with TLS encryption. We never store your files - everything is permanently deleted within an hour after processing. Enjoy complete peace of mind knowing your documents remain private and secure.
Works Across All Devices
Our Protect PDF tool works smoothly across all devices, allowing you to secure your documents on desktops, tablets, or smartphones - anytime, anywhere.
Protect PDF from Editing and Copying with Passwords
Protect sensitive files like financial statements, legal paperwork, or confidential reports. Add passwords to block copying, editing, or printing. PdfLion also suggests strong passwords and ensures password validation for maximum safety.
How to set a strong password
Simple passwords are easy to crack. Strengthen your security by using a minimum of 8 characters, including uppercase letters, numbers, and special symbols (!@#$%^*). The stronger the password, the safer your document.
Set Password Protection for a PDF in the Cloud
With PdfLion, all password protection happens in the cloud. Upload your PDF, choose a password, and download the encrypted file - no software installation required.
Frequently Asked Questions
Yes. This Protect PDF tool is free to use online. You can add password protection to PDF files without registration, watermarks, or software installation.
You can set an open password to restrict access and apply permissions to control printing, copying, and editing of the PDF file.
Yes. Files are encrypted during upload and processing using secure HTTPS connections. Uploaded PDFs and protected files are automatically deleted from our servers after a short period to ensure privacy and security.
How to password protect a PDF document for free?
Step by step guide to protect a PDF document for free with our tool:
- Go to the Protect PDF tool’s website and upload the PDF document you want to protect. You can choose to drag and drop your file or click an upload button.
- Enter in the input box to set a password. Enter a strong password that includes a mix of letters, numbers, and special characters.
- Confirm your password and click 'Protect PDF' to secure your PDF with.
- Once the process is complete, download your password - protected PDF document or create a shareable link.
Remove pages
This file requires password
Ignore these files
wrong password
Some file(s) requires password
Damaged/Corrupted File
We are unable to process corrupted or damaged files. To check if your file is compromised, try opening it with any PDF reader. If it fails to open, the file may be damaged. Please restore the file before attempting conversion again.
