PDF Watermark & Page Numbers

PDF Client-Side Privacy

Add watermarks and page numbers to PDF documents.

Drop file here or click to browse

Select a PDF file

How to Use PDF Watermark & Page Numbers

Follow this simple step-by-step guide to get the most out of our free online PDF Watermark & Page Numbers:

  1. 1
    Drop or select the PDF you want stamped and the default watermark is applied at once.
  2. 2
    Enter your own wording in the Watermark text box and pick a Color from the swatch.
  3. 3
    Tune the Size, Opacity and Angle sliders to control how the stamp sits across each page.
  4. 4
    Tick Add page numbers and choose bottom center, bottom right or top center from the Position list.
  5. 5
    Press Apply Watermark, then Download to save the stamped file as watermarked.pdf.

Key Features & Capabilities

Zero Uploads

Execution occurs 100% locally in your browser memory for maximum privacy.

Instant Latency

Zero network lag or server queues — get results instantaneously as you type.

Quick Export

One-click copy to clipboard or instant file download options built right in.

Technical Specifications & Privacy Guarantee

At utilitiestools.net, privacy and data security are core design principles. When using PDF Watermark & Page Numbers, your inputs are parsed and processed locally via client-side JavaScript execution engine. No plain text, uploaded media, or API tokens are transmitted over the internet or logged into remote server infrastructure.

Common Practical Use Cases

  • Pre-release circulation: stamp DRAFT diagonally across a proposal before sending it for internal comment.
  • Client deliverables: overlay CONFIDENTIAL on a pitch deck PDF prior to sharing outside the company.
  • Print prep: add bottom-center page numbers to a compiled handbook that was merged from several sources.
  • Tender documents: mark a specimen copy as SAMPLE so it cannot be mistaken for the signed version.

Frequently Asked Questions

It is drawn as a real text object into each page's content stream, so it is not a removable annotation layer. It is still text, and a determined user with a PDF editor can delete or cover it.