Add password protection to your PDF files. Secure your documents with encryption. Free and no sign-up.
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Max 50MB • Single file
Choose a strong password. You'll need this to open the PDF.
🔒 Security Information:
Your PDF will be encrypted with AES-256 encryption. The password is required to open the file.
Select the PDF file you want to protect with a password
Enter a strong password to encrypt your PDF
Get your password-protected PDF file instantly, no sign-up needed
We encrypt your PDF using AES-256 encryption. When someone tries to open the PDF, they'll be prompted to enter the password you set. Without the password, the PDF cannot be opened.
Use a combination of uppercase and lowercase letters, numbers, and special characters. Avoid common words or personal information. The longer the password, the more secure it is.
Yes, you can use our Unlock PDF tool to remove the password if you know it. Simply upload the protected PDF and enter the password to unlock it.
Unfortunately, if you forget the password, there's no way to recover it. The encryption is designed to be secure, so we cannot access your PDF without the password. Make sure to save your password in a secure place.