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Add Watermark to PDF

Add text or image watermark to PDF. Batch watermark.

Try Watermark PDF now

Free, no sign-up, files never leave your device.

Open Watermark PDF Tool

How it works (3 quick steps)

  1. 1

    Upload

    Select the PDF file(s) you want to brand.

  2. 2

    Design

    Add text or logo, adjust opacity and rotation.

  3. 3

    Inject

    Apply the watermark permanently and download your file.

Why pick Convertify for this?

Files stay on device

Convertify processes everything in your browser using JavaScript. Your file is never uploaded — confirm with DevTools → Network. That makes this safe for sensitive material like contracts, IDs, and financial documents.

No upload wait

Because nothing uploads, processing starts the instant you click. For typical files (under 50 MB) the whole job finishes in seconds — no progress bar, no queueing behind other users.

No daily quota

Free without limits, including no "3 conversions per day" cap that competing services impose. Run as many watermark pdf jobs as you need.

No watermark

Your output is clean — no Convertify branding, no metadata stamp. Same as if you'd run a paid desktop app.

Other ways people use Watermark PDF

  • Adding 'CONFIDENTIAL' stamps to sensitive reports
  • Branding architectural drawings with company logos
  • Marking draft versions of manuscripts for review
  • Adding copyright notices to creative portfolios
  • Stamping archive documents with Bates numbering or dates