Why Encrypt PDFs?
Protect sensitive documents — contracts, financial reports, medical records — and comply with GDPR/HIPAA regulations.
- PDF Encryption (AES-256)
- Cryptographic method using 256-bit key. Computationally infeasible to decrypt without the password.
Password Types
| Type | Purpose | Controls |
|---|---|---|
| User Password | Required to open | Cannot view without it |
| Owner Password | Permissions | Restricts print, copy, edit |
Local vs Cloud Encryption
| Aspect | Local (Allin PDF) | Cloud |
|---|---|---|
| Where | Your browser | Remote server |
| Password sent? | Never | Yes (risk) |
| File sent? | Never | Uploaded |
| Speed | Instant | Depends on internet |
| Offline? | Yes | No |
Step-by-Step
- Open Allin PDF Encrypt
- Upload PDF (processed locally)
- Enter strong password (8+ characters, mixed types)
- Confirm password
- Click "Encrypt" — less than 1 second
- Download encrypted PDF
Password Best Practices
- Minimum 8 characters
- Mix uppercase, lowercase, numbers, symbols
- Avoid common words
- Share password on different channel
- Use password manager
FAQ
Can someone crack it?
With strong password and AES-256, computationally infeasible. Weak passwords can be brute-forced.
Forgot password?
No recovery possible. Store passwords in a password manager.