Encrypt your PDF document with a password to prevent unauthorized access.
This tool performs all the work in your browser. Your document is never sent to a server, ensuring your data remains completely private and secure.
Simply drag and drop your PDF, or click to select a file from your device.
Enter a secure password to encrypt your document and protect its contents from unauthorized access.
Your new password-protected PDF is ready for download in just a few seconds.
Adding a password to your PDF is a simple way to protect sensitive information. Our secure tool helps you add an extra layer of security with ease.
Secure confidential contracts, financial reports, or client information before sharing. Protecting your documents ensures that only authorized personnel can view the contents, helping you maintain data privacy.
Protect your essays, research papers, or personal academic records from unauthorized access. A password ensures your work and personal information remain private when submitting assignments or sharing with professors.
Safeguard sensitive information like your contact details, national ID number, or academic certificates when applying for jobs. A password-protected document adds a professional layer of security to your application.
Protecting a PDF means adding a password that is required to open the document. This encrypts the file and prevents unauthorized users from viewing, editing, or printing the content.
It is crucial to remember the password you set, as our tool does not store or have access to it. We cannot help you recover a lost password.
Yes, all of our tools, including the Protect PDF tool, are completely free to use. There are no hidden fees or subscriptions required to manage your documents.
Your privacy and security are our top priority. All files uploaded to our servers are automatically deleted after a short period, and we never share your data with third parties.
No, you do not. NaijaPDF is a fully web-based service that works on any browser and operating system. You can access it on your phone, tablet, or computer.