How to protect a PDF document
PDF protection involves adding restrictions or notices to a document to control how it can be used, shared, or reproduced. This tool adds a visible confidential notice and watermark to your PDF, clearly indicating that the document contains sensitive or restricted information.
When to mark a PDF as confidential
HR documents including salary information, performance reviews, and disciplinary records. Financial documents including budgets, projections, and audit reports. Legal documents including contracts, settlement agreements, and legal opinions. Medical records and patient information. Business proposals, pricing, and commercial strategy documents.
Types of PDF protection
Visible protection adds a watermark or notice that the document is confidential — this is what this tool does. Password protection restricts opening or editing. Digital rights management controls copying and printing at a technical level. For most business uses, a clear confidential marking is sufficient to establish legal notice of confidentiality.
Frequently Asked Questions
Is this the same as password protecting a PDF? No. This tool adds a visible confidential marking — it does not prevent the PDF from being opened without a password. It establishes a clear notice that the content is confidential.
Is my PDF uploaded to a server? No. Everything runs in your browser. Your file never leaves your device.
Can I remove the protection later? The visible watermark is embedded in the PDF. To create a clean version, use your original unprotected PDF file.
PDF Watermark · PDF Unlock · eSign PDF · Merge PDF · Compress PDF