Add Password to PDF

Protect your PDF file by adding a password for enhanced security.

Select or drag document files

Supported: PDF, DOCX, TXT, MD (Max 50MB)
Use a combination of letters, numbers, and special characters with 8 or more characters.
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🔒 PDF Password Protection: Strengthen Your Document Security

Set strong passwords on your PDF documents to block unauthorized access and safely protect important information. Encrypt PDF files containing sensitive content like personal information, confidential documents, and contracts so only authorized users can view them. Apply robust security with simple operations.

🛠️ How It Works

Select File

Select or drag the PDF file you want to password-protect and upload it.

2. Set Security Password

Enter a strong password. The system automatically analyzes password strength and displays the security level.

3. Download Protected PDF

Download the password-protected PDF file and store or share it securely.

⭐ Key Advantages

🛡️

Strong Security Encryption

Uses industry-standard AES-256 encryption to provide complete protection against hacking and unauthorized access.

🔑

Real-time Password Strength Analysis

Analyzes your password security level in real-time, displaying strength levels as Weak/Fair/Good/Strong.

📈

Perfect Original Quality Preservation

Preserves PDF resolution, formatting, layout, and metadata without damage during the encryption process.

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Fast Processing Speed

Completes encryption of even large documents within seconds to maximize work efficiency.

Use Cases

📋 Confidential Business Documents

Safely protect important business documents like confidential reports, contracts, and HR information.

🏦 Financial Documents

Protect files containing personal financial information such as bank statements, tax returns, and investment documents.

🎓 Academic Research Materials

Securely manage intellectual property like paper drafts, research data, and patent-related documents.

👥 Personal Information Documents

Protect documents containing personal information such as ID copies, medical records, and government documents.