Professional PDF Security
Add strong password protection to your sensitive documents or permanently remove restrictions. Enterprise-grade security that processes files instantly and deletes them automatically.
Back to ToolsDrag & Drop PDF here
or click to select your file
How to Secure and Unlock PDFs
Manage your document permissions entirely online. Add strong password protection or permanently unlock encrypted PDFs.
1. Lock PDF
Add a strong password. Our engine encrypts your PDF so no one can open it without it.
2. Unlock PDF
Enter the password one last time to generate a clean, unprotected PDF file.
3. 100% Secure
We never store your passwords, and all documents are instantly and permanently deleted.
4. Office Ready
Integrates seamlessly for HR professionals sending payroll or legal advisors managing NDAs.
Why is AdreTools the Best PDF Security?
Securing your confidential documents, office contracts, and financial reports is crucial. Stop relying on expensive desktop software.
-
Enterprise Encryption
Our enterprise-grade engine will encrypt your PDF, ensuring maximum security against unauthorized access.
-
Zero Retention Policy
All data is processed strictly in memory. We instantly delete your files the moment your download completes.
-
Free Online Management
Securely manage PDF permissions entirely online for free, without needing to install anything.
Absolute Privacy
Your privacy is our top priority. Rest assured knowing that your confidential data is never stored or viewed by anyone.
Why Professionals Choose AdreTools
AES-256 Encryption
Secure your documents with military-grade AES-256 encryption. Only those with the password can open it.
Remove Passwords
Instantly unlock and remove passwords from PDFs (provided you know the current password).
100% Private Operation
Crucially, your passwords and highly sensitive files are processed locally and never sent to our servers.
Who is this tool for?
Our suite is designed to streamline workflows for professionals across all industries. Here is how this tool is used in the real world.
HR Departments
Password-protect employee salary slips and confidential performance reviews before emailing them.
Law Firms
Encrypt sensitive client contracts and court evidence to comply with strict confidentiality laws.
Finance Teams
Remove the password from monthly bank statements for easier internal filing and auditing.
Frequently Asked Questions
Smart Workspace
Files are stored securely in your browser's local memory. No uploads.
Drag & Drop Files here
or click to select multiple files