Click to upload or drag & drop
PDF file only — max 100MB
.pdf only
📄 document.pdf — pages
Adding watermark...
Watermark added! Download started automatically.

⚡ Instant watermarking — processed entirely in your browser. Your files never leave your device.

How to add watermark to PDF free — 3 simple steps

Add text, image or signature watermark to PDF in seconds. No software needed — works on any device.

  1. 1Upload your PDF — drag & drop or click to browse. The tool shows your total page count so you know which pages to watermark
  2. 2Choose watermark type — Text (CONFIDENTIAL, DRAFT, custom), Image (logo or PNG) or Signature (draw with mouse or finger). Set opacity, position and which pages to apply it to
  3. 3Click Add Watermark — your watermarked PDF downloads automatically. No signup, no output watermark, completely free

Why add watermark to PDF documents?

From legal documents to business reports — real reasons people watermark PDFs every day.

  • Add confidential watermark to PDF — mark sensitive documents, legal contracts and financial reports
  • Add draft watermark to PDF — clearly mark documents that are not yet final or approved
  • How to add signature to PDF — draw your signature and stamp it on every page of a contract or agreement
  • Add watermark to PDF on Mac — works in any Mac browser, no software installation needed
  • Add image watermark to pdf — embed company logo on brochures, proposals and client deliverables
  • How to add watermark in pdf — protect exam papers, certificates and sensitive documents from misuse
  • How to watermark a pdf document for client delivery — mark shared files as FOR REVIEW or DO NOT COPY

Looking for a PDF watermark remover?

Zappy Tools adds watermarks to PDFs. If you need to remove an existing watermark from a PDF, you will need Adobe Acrobat Pro or a PDF editor — our tool is specifically designed for adding watermarks. To remove a watermark in Adobe Acrobat, go to Edit PDF → Watermark → Remove.

You might also need

All tools are free — no signup, no watermark, instant download.

Frequently asked questions

Everything you need to know about adding watermarks to PDF free online.

Upload your PDF, choose Text, Image or Signature watermark, customize the settings and click Add Watermark. Your watermarked PDF downloads instantly — no signup, completely free.
Upload your PDF, select Text watermark, click the CONFIDENTIAL quick button, set diagonal position and reduce opacity to 30-40% for a professional look. Click Add Watermark and download.
Upload your PDF, select the Signature tab, draw your signature using your mouse or finger on the signature pad, choose which pages to add it to, set the position and size, then click Add Watermark.
Upload your PDF, select Text watermark, click the DRAFT quick button, choose a red or grey color, set diagonal position and click Add Watermark. Your draft-marked PDF downloads instantly.
Yes. After uploading, choose Specific Pages and enter the page numbers — for example 1, 3, 5-8. The tool shows the total page count so you know the range available.
Open Zappy Tools in any Mac browser — Safari, Chrome or Firefox. Upload your PDF, choose your watermark type and click Add Watermark. No software installation needed on Mac.
Zappy Tools adds watermarks to PDFs. To remove an existing watermark, you will need Adobe Acrobat Pro. In Acrobat, go to Edit PDF → Watermark → Remove to delete existing watermarks.
Yes — completely free. No account required, no watermark added to your output, no hidden charges. Add watermarks to as many PDFs as you need, any time.