Protect PDF Files
Protect PDF files with a password. Encrypt PDF documents to prevent unauthorized access.
Drop your PDF file here
or click to browse and select a file
Supports PDF files up to 25MB
Sensitive documents need protection. Whether it's confidential contracts, financial reports, or personal information, password protection adds a crucial security layer. Even if someone gets access to your file, they can't open it without the password.
Our protection tool uses strong encryption to secure your PDF. You set the password, and only people who know it can access the document. It's simple to add but effective at keeping your content safe.
Understanding PDF Protection
Password protection encrypts your PDF using industry-standard algorithms. The file itself is scrambled, and only the correct password can decrypt it. This is different from just hiding the file—the encryption makes it mathematically difficult to crack.
You can also restrict what people can do with the PDF—prevent printing, copying text, or editing. This gives you control over how your document is used, even after it's shared.
How to password-protect a PDF
Upload the PDF you want to secure.
Choose a strong password and set it for opening the file.
Encrypt and download the protected PDF, then share it safely.
Choosing a Strong Password
A good password is long (at least 12 characters), includes uppercase and lowercase letters, numbers, and special characters. Avoid common words, personal information, or patterns like "12345" or "password".
Remember: if you forget the password, you can't recover it. Make sure to store it securely, perhaps in a password manager. Share it only with people who need access.
Protection Questions
What if I forget the password?
Unfortunately, there's no way to recover a forgotten password due to encryption. The security that protects your file also prevents recovery. Always store passwords securely, perhaps in a password manager.
Can protected PDFs still be viewed?
Yes, anyone with the password can view the PDF normally. Protection doesn't prevent viewing—it prevents unauthorized access. Once opened with the password, the document works like any other PDF.
What restrictions can I set?
You can prevent printing, copying text, editing, and commenting. These restrictions work even after someone opens the PDF with the password. They can view it but can't perform restricted actions.
Is the encryption strong?
Yes, we use AES-256 encryption, which is the same standard used by banks and government agencies. It's considered unbreakable with current technology when using a strong password.
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