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Add password protection to PDF files in your browser.
Add password protection to any PDF file directly in your browser using strong encryption. Set a user password to restrict opening the document. All processing is done client-side — your PDF never leaves your device.
Secure your sensitive PDF documents by adding strong password encryption directly in your web browser.
Upload your PDF file
Select the PDF document you want to secure from your local device. The file remains on your computer and is never uploaded to a server.
Enter a strong password
Type the desired password into the input field to restrict document access. Ensure it is a secure combination to maximize encryption effectiveness.
Click the protect button
Initiate the client-side encryption process by clicking the protect or encrypt button. The tool will apply the password settings instantly.
Download your protected PDF
Save the newly encrypted PDF file back to your device. You will now be prompted for the password whenever you attempt to open the document.
Estimated time: PT1M
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Protect PDF with Password: Secure Browser Encryption
Secure your PDF files instantly with PDF Password Protector. Add strong encryption and user passwords directly in your browser. No file uploads required.
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