Password Protect PDF
Secure your PDF files with password encryption. Protect sensitive documents from unauthorized access.
Drag and drop files here
Or Import From
This tool uses WebAssembly (WASM) to process your PDFs directly in your browser. No files are uploaded to our servers, keeping your data 100% private and secure.
Upload a single file • Max 1 GB
How to Use This Tool
Upload PDF
Choose the file you want to secure.
Set Password
Enter a strong password to encrypt the document.
Encrypt
Download your protected file. It will require the password to open.
Password Protect PDF: Secure Your Sensitive Data
Security is paramount when sharing financial statements, legal contracts, or personal records. Our Protect PDF tool adds robust 128-bit AES encryption to your file, ensuring that only people with the password can open it.
How Encryption Works
When you set a password, we scramble the contents of the file mathematically. Without the correct key (password), the data is just random noise. This protection works on all standard PDF viewers, including Adobe Acrobat, Chrome, and Preview.
Note: Please remember your password! Because we process files securely and don't store them, we cannot recover a lost password for you.
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