Encrypt your PDF with a password to prevent unauthorized access. Control who can view, print, or edit your document.
or drop file here
Click 'Choose File' or drag and drop your PDF into the upload area.
Click the action button. Your file is processed right in your browser.
Your file is ready immediately. Click Download to save it.
Encrypt your PDF with a password to prevent unauthorized access. Control who can view, print, or edit your document.
PDFUp's Protect PDF tool works entirely in your browser — no software download or installation required. Your files are processed locally whenever possible, ensuring maximum privacy. All uploaded files are automatically deleted from our servers within 1 hour of processing.
Whether you're on Windows, Mac, Linux, iOS, or Android, our protect pdf tool works on any device with a modern web browser. It's truly free, with no hidden fees, no watermarks added to your output, and no file count limits for most tools.
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