Free PDF Security Tool
Encrypt & Decrypt PDF Files Instantly
Password-protect your PDFs with AES-256 encryption, set granular permissions, or remove passwords from protected files. Fast, secure, and completely free.
● AES-256 Encryption
● Permission Controls
● 100% Private
● No Signup
Upload Your PDF
Drag & drop your PDF here or click to browse
Supports PDF files up to 50 MB
Set Password
Required to open the PDF
Permissions
Control what others can do with your PDF.
Print
Allow printing
Copy Text & Images
Allow copying content
Edit / Modify
Allow editing
Extract Pages
Allow extracting pages
Annotate / Comment
Allow adding comments
Fill Forms
Allow form completion
Accessibility
Allow screen readers
Remove Password Protection
Enter the current password to unlock and remove all restrictions from your PDF.
The password is used only for decryption and is never stored. The unlocked PDF will have no password or restrictions.
Processing your PDF...
Uploading file...
PDF Secured Successfully!
Your file has been encrypted and is ready for download.
How It Works
Secure Your PDF in 4 Simple Steps
Whether you need to lock or unlock a PDF, the process takes less than a minute.
1
Upload PDF
Drag & drop or click to select your PDF file.
2
Set Password
Enter a strong password and choose encryption level.
3
Configure
Fine-tune permissions like printing, copying, and editing.
4
Download
Get your secured or unlocked PDF instantly.
Features
Enterprise-Grade PDF Security
Everything you need to protect and manage your PDF documents.
AES-256 Encryption
The same standard used by governments and financial institutions. Virtually unbreakable.
Granular Permissions
Control exactly what others can do — print, copy, edit, extract, annotate, and more.
Instant Decryption
Remove passwords and restrictions from protected PDFs in seconds.
Password Strength Meter
Real-time analysis ensures you choose passwords that can't be easily cracked.
100% Private & Secure
Files processed securely and immediately deleted. We never store your documents.
Lightning Fast
Edge-computed processing delivers results in seconds regardless of file size.
FAQ
Frequently Asked Questions
Got questions? We've got answers about PDF encryption and decryption.
Upload your PDF file, switch to the Encrypt tab, enter a strong password, choose encryption level (AES-256 recommended), configure permissions, and click Lock PDF. The process takes just seconds.
Upload your password-protected PDF, switch to the Decrypt tab, enter the current password, and click Unlock PDF. The decrypted file downloads automatically with all restrictions removed.
AES-256 encryption by default — the gold standard for PDF security used by governments and financial institutions worldwide. AES-128 is also available for broader compatibility.
Yes! When encrypting, you can independently control permissions for: printing, copying, editing, extracting, annotating, filling forms, and accessibility for screen readers.
Absolutely. All files are transferred over HTTPS and processed securely. Files are immediately deleted after processing. We never store, share, or access your documents.
Yes. Our encrypted PDFs are compatible with Adobe Acrobat, Preview (macOS), Chrome, Firefox, Edge, and all major PDF readers. AES-256 is the PDF 2.0 standard universally supported.