PDF Encrypt and Decrypt
Use PDF Encrypt and Decrypt
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About this tool
Protect PDFs with AES-256 passwords or remove password protection from files you are allowed to unlock.
- 100% free with no usage limits
- No sign-up or login required
- Runs right in your browser
- Privacy-friendly and fast to use
Docs
Protect PDFs with AES-256 passwords or remove password protection from files you are allowed to unlock.
Key Features
- AES-256 Encryption: Uses industry-standard AES-256 algorithm to encrypt PDFs with maximum security
- One-click Decryption: Remove PDF password protection by entering the correct password
- Privacy First: Passwords are only used during processing — never stored, never saved, never logged
- Auto Cleanup: Files are automatically deleted after processing, leaving no traces
- Cross-platform: Pure web-based tool, works in any browser without installation
How to Use
Encrypt PDF
- Select the “Encrypt PDF” tab
- Drag & drop a PDF file or click to upload
- Set and confirm a password (minimum 6 characters)
- Click “Encrypt & Download”
- Save the encrypted PDF
Decrypt PDF
- Select the “Decrypt PDF” tab
- Drag & drop an encrypted PDF file
- Enter the correct password
- Click “Decrypt & Download”
- Save the decrypted PDF
Use Cases
- Protect sensitive documents such as contracts and agreements
- Encrypt scanned personal ID documents
- Decrypt received password-protected PDFs
- Protect confidential business documents
Notes
- File size limit: 30MB
- Password length: 6-128 characters recommended; use a mix of uppercase, lowercase, numbers, and symbols
- Please remember your password — it cannot be recovered if lost
- Encrypted PDFs can be opened in any standard PDF reader
- Powered by professional PDF processing engine
Last verified: 2026-07-14
FAQ
Is this tool free?
Completely free, no usage limits, no signup required.
What encryption algorithm?
AES-256 industry-standard encryption for maximum security.
Is my password saved?
No. Password is only used in memory — never stored, never logged.
Can I recover a lost password?
No. For security, passwords are never stored and cannot be recovered. Keep your password safe.
What file size is supported?
Up to 30MB per file.
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