Add Watermark to PDF Online — Free, No Signup
Add CONFIDENTIAL, DRAFT or custom watermark pdf online — text, image or signature. Instant.
✅ 100% Free
🔒 SSL Secured
⚡ Instant
🗑️ Files Deleted in 1hr
Drop your PDF here or click to browse
Windows, Mac, Linux, Android, iPhone — PDF up to 100MB
🔒 SSL encrypted · .pdf only · Processed in browser · Files never uploaded to server
Adding watermark...
✓Watermark added! Download started automatically.
⚠Something went wrong. Please try again.
🔒 Your PDF is processed entirely in your browser using PDF-lib — never uploaded to any server. 100% private.
// more about this tool
Why use Zappy Watermark PDF
Add Watermark to PDF — Text, Image or Signature
Our watermark tool uses PDF-lib to process your PDF entirely in your browser. Your document is never uploaded to any server — 100% private. Supports text, image and hand-drawn signature watermarks.
100%
Browser-Based
PDF never leaves your device — total privacy
3
Watermark Types
Text, image logo, or hand-drawn signature
Any
Page Selection
All pages or specific page numbers only
How it works
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.
- 1Upload your PDF — drag & drop or click to browse. The tool reads your PDF in the browser and shows the total page count. Max 100MB.
- 2Choose watermark type and settings — Text (CONFIDENTIAL, DRAFT, custom), Image (upload logo or PNG) or Signature (draw with mouse or finger). Set opacity, position, rotation and which pages to apply it to.
- 3Click Add Watermark — your watermarked PDF downloads automatically. No signup, no output watermark, completely free. Your PDF is never uploaded to any server.
Common use cases
Why Add Watermark to PDF Documents?
From legal contracts to business proposals — real reasons people watermark PDFs every day.
- Add CONFIDENTIAL watermark to PDF — mark sensitive legal contracts, financial reports and internal documents that should not be shared publicly
- Add DRAFT watermark to PDF — clearly mark documents that are not yet final, approved or ready for distribution
- Add signature to PDF — draw your signature and stamp it on every page of a contract, agreement or official document
- Add image watermark to PDF — embed your company logo on brochures, proposals, quotations and client deliverables for branding
- Protect PDF from misuse — add DO NOT COPY or FOR REVIEW watermark to exam papers, certificates and sensitive documents
- Add watermark to PDF on Mac — works in any Mac browser (Safari, Chrome, Firefox) with no software installation needed
- Watermark PDF for copyright India — protect freelance work, design files, reports and photography before sharing with clients in India
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 — go to Edit PDF → Watermark → Remove. Our tool is specifically designed for adding watermarks to protect and brand your documents.
What users say
Trusted by Users Across India
★★★★★
"Added a CONFIDENTIAL watermark to all 18 pages of a legal document in seconds. The diagonal text at 30% opacity looked completely professional. Free and no signup needed."
★★★★★
"Used this to watermark PDF documents with our company logo before sending to clients. The image watermark feature with PNG transparency worked perfectly. Completely free."
Related free tools
You Might Also Need
All tools are free — no signup, no watermark, instant download.
FAQ
Frequently Asked Questions — Add Watermark to PDF
Everything you need to know about adding watermarks to PDF free online.
Upload your PDF to Zappy Tools, choose Text, Image or Signature watermark, customize the settings — text content, font, color, opacity, position and which pages to apply it to — and click Add Watermark. Your watermarked PDF downloads instantly with no signup required, no watermark added to your output, completely free. The tool processes your PDF entirely in your browser so your document is never uploaded to any server.
Upload your PDF, select Text watermark, click the CONFIDENTIAL quick button to fill in the text automatically. Set the color to grey (professional) or red (urgent), choose Diagonal (45°) rotation for a classic watermark look, set opacity to 30-40% so text underneath remains readable, and click Add Watermark. You can apply it to all pages or specific pages only. Downloads instantly — no signup required.
Upload your PDF, select the Signature tab, draw your signature on the signature pad using your mouse on desktop or your finger on mobile touchscreen, choose the ink color (black, blue or red), set the signature size using the slider, choose which pages to add it to, set the position and click Add Watermark. Your signed PDF downloads instantly. Works on iPhone, Android, Mac and Windows with no app needed.
Yes. After uploading your PDF, click Specific Pages and enter the page numbers you want to watermark — for example 1, 3, 5-8. Use commas to separate individual pages and hyphens for ranges. The tool shows the total page count of your document so you know the available range. This lets you watermark only the cover page, only certain sections or any combination.
Upload your PDF, select the Image tab, click to upload your logo or image file (PNG with transparent background works best — JPG and WebP are also supported). Set the image size using the slider, choose the position on the page and set opacity. Click Add Watermark and your PDF with the image watermark downloads instantly. This is useful for branding company documents, proposals and client deliverables.
Yes — completely free, forever. No account required, no watermark added to your output PDF, no daily limits and no hidden charges. You can add watermarks to as many PDFs as you need, any time. The tool processes your PDF entirely in your browser using PDF-lib — your document is never uploaded to any server. Your files are completely private throughout the entire process.
Yes — works on Android and iPhone browsers with no app download required. You can even draw your signature using your finger on the mobile touchscreen for the signature watermark mode. Open zappy.tools/watermark-pdf in Chrome on Android or Safari on iPhone, upload your PDF and add the watermark. The PDF downloads directly to your device.
Zappy Tools adds watermarks to PDFs but does not remove them. To remove an existing watermark from a PDF, you will need Adobe Acrobat Pro — in Acrobat, go to Edit PDF → Watermark → Remove. Our tool is specifically designed for adding watermarks to protect and brand your documents.