WPS Office ® PDF Protector

Protect PDF Files with the Best PDF Protection

Password protect your PDF files with our easy to use PDF protector. Encrypt your PDF to secure your data for free from opening, editing and extracting, copying and printing, or watermarking.

Best Features for WPS Office® PDF Protection Tool

1 Password Protection

Add password to lock access to open, extract or edit your PDF documents.

2 Digital Signature

Sign and certify your PDFs with digital signatures to ensure the authenticity.

3 Watermarking

Add watermarks to your PDFs to protect your from unauthorized access like copying or printing.

4 Flexible Security Settings

Choose the various security encrypt settings to protect your PDF files.

Why Choose WPS Office to Protect PDF Files?

For Business Proposals

Protecting your business proposals in PDF format with password protection or digital signatures can help prevent unauthorized access and ensure that the proposal remains confidential.

For Legal Documents

Free PDF protector in WPS Office will help ensure their authenticity and prevent unauthorized edition by encrypting the digital signatures in legal documents.

For Medical Records

With redaction and password protection of our PDF protector, patient privacy and data are secured safely.

For Intellectual Property

Your intellectual property with watermarks can help prevent unauthorized copying or distribution of your content in PDF documents.

How to Password Protect PDF Free

*Note: remember to keep your password properly.

step1Free download and open WPS Office on your Windows or Mac.

step2Open your PDF files and select "Protect" on the tab.

step3Click "Encrypt" and choose the protection options, as opening, editing and extracting, copying and printing, or watermarking.

step4Set your password and Click "confirm" to complete encrypting free.

step1Free download and open WPS Office on your Windows or Mac.

step2Open your PDF files and select "Protect" on the tab.

step3Click "Encrypt" and choose the protection options, as opening, editing and extracting, copying and printing, or watermarking.

step4Set your password and Click "confirm" to complete encrypting free.

How to Password Protect PDF Free

*Note: remember to keep your password properly.

Real Reviews from Authority Platforms

WPS Office PDF protector reviews from Trustpilot

"PDF Protector in WPS Office is a must-have tool to protect their PDF documents from unauthorized access or theft. It's user-friendly and efficient, and it's helped me protect my sensitive documents with ease."

Source from Trustpilot

WPS Office PDF protector reviews from CNET

"With WPS PDF Protector, and I'm really impressed with security and encrption settings. A great tool for anyone who needs to lock and protect their PDF documents."

Source from CNET

WPS Office PDF protector reviews from TechRadar

"If you deals with PDF documents regularly. Try WPS Office, it's efficient, reliable, can help to secure and protect your PDFs in safe for opening, editing or printing."

Source from TechRadar

FAQs about Protecting PDF Files

Can I add a watermark to my PDF documents to protect my intellectual property?

Absolutely, it's necessary for adding Watermarks on PDF documents, in order to protect your intellectual property. And it can be double secured by adding password protect a PDF to prevent content theft and unauthorized use.
Learn more: How to Open Password-protected PDF without Password

Can I customize the security settings in WPS PDF Protection to fit my specific needs?

Yes, of course, the free PDF protector in WPS Office offers various security encrypt settings. You can choose the protection options, as opening, editing and extracting, copying, form filling, printing or watermarking.

How do I remove password protection from a PDF document if I forgot the password?

There are 2 easiest methods for you to remove password from a encrypt PDF file.
Method 1: Download an password remover to unlock the PDF document.
Method 2: Save the PDF as a new file, if you can view the PDF, but you cannot edit. The renamed file will be editable.
Learn more:How to Remove Password Protection from PDFs

*Note: If you don't have a password for the pdf file, what you need is to crack the password.

Can I add a watermark to my PDF documents to protect my intellectual property?

Absolutely, it’s necessary for adding Watermarks on PDF documents, in order to protect your intellectual property. And it can be double secured by adding password protect a PDF to prevent content theft and unauthorized use.
Learn more: How to Open Password-protected PDF without Password

Can I customize the security settings in WPS PDF Protection to fit my specific needs?

How do I remove password protection from a PDF document if I forgot the password?

There are 2 easiest methods for you to remove password from a encrypt PDF file.
Method 1: Download an password remover to unlock the PDF document.
Method 2: Save the PDF as a new file, if you can view the PDF, but you cannot edit. The renamed file will be editable.
Learn more:How to Remove Password Protection from PDFs

*Note: If you don’t have a password for the pdf file, what you need is to crack the password.