Protect PDF with a Password
Easily add a password to your PDF files to prevent unauthorized access. Encrypt your sensitive documents with strong password protection. It's fast, free, and secure.
Drag your file here, or browse
Key Features
Strong Encryption
We use strong AES encryption to ensure your PDF is securely protected from prying eyes.
Secure & Private
Your files are uploaded securely and deleted from our servers permanently after a few hours.
Fast Processing
Your PDF is encrypted and ready for download in just a few seconds.
Works Everywhere
Our tool works on all browsers and operating systems. No installation needed.
Easy to Use
Simply upload your file, set a password, and click the button to protect your PDF.
Unlimited Use
Protect as many PDFs as you need. There are no limits on our free service.
How to Protect a PDF File in 4 Easy Steps
Upload Your PDF
Drag and drop your PDF file into the upload area, or click "browse" to select it.
Set Your Password
Enter a strong password in the provided field to secure your document.
Protect the PDF
Click the "Protect PDF" button and wait for the encryption to complete.
Download Your File
Download your newly protected PDF file, ready to be shared securely.
About PDF Password Protection
Adding a password to your PDF is the best way to secure its contents from unauthorized readers. Our free online tool uses strong encryption to protect your PDF documents. When you upload a file, you'll be prompted to enter a password, which will be required to open the document in any PDF reader.
We take your privacy seriously. All files are processed securely on our servers and are permanently deleted after a few hours. We don't store your files or your passwords, so you can use our service with complete peace of mind.
Frequently Asked Questions
Is this service really free?
Yes, our PDF password protection tool is completely free to use without any limitations.
How secure is the encryption?
We use strong AES encryption, which is the industry standard for securing documents. It is virtually impossible to crack.
What happens if I forget my password?
We do not store your password, so there is no way to recover it. Please make sure you store your password in a safe place.
Are my uploaded files safe?
Absolutely. Your files are transferred via a secure SSL connection and are permanently deleted from our servers a few hours after processing.