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Add Watermark to PDF Files

Brand and protect your PDFs with custom text or image watermarks. Choose fonts, colors, opacity, rotation angles, and positioning. Apply watermarks as single stamps, tiled patterns, or diagonal overlays across all pages or specific page ranges.

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Key Features

Text watermarks with custom content and styling
Three professional fonts: Helvetica, Times Roman, Courier
Adjustable font size, color, and text rotation (0-360°)
Image watermarks from uploaded graphics or logos
Control image size, opacity, and rotation independently
Transparency control (0-100%) for subtle or prominent watermarks
Nine preset positions plus custom X/Y percentage placement
Three watermark modes: Single (one per page), Tile (repeating pattern), Diagonal (angled coverage)
Apply to all pages or specify exact page ranges (e.g., '1-5, 8, 10-15')
Rotate entire PDF if needed before watermarking
Client-side processing keeps documents private
Download watermarked PDF instantly

How to Add Watermark to PDF

1

Upload your PDF file. The tool will load it in File View mode (watermarks work on complete documents).

2

Choose watermark type: Text for words like 'CONFIDENTIAL' or 'DRAFT', or Image to upload a logo or graphic.

3

For text watermarks: Enter your text, pick a font (Helvetica, Times Roman, or Courier), set font size, choose color, adjust opacity (lower = more transparent), and set rotation angle for diagonal text.

4

For image watermarks: Upload your image file (PNG, JPG, etc.), adjust width and height to scale it, set opacity for transparency, and rotate if needed.

5

Select watermark position: Use one of nine presets (top-left, center, bottom-right, etc.) or choose Custom to specify exact X and Y percentages.

6

Pick watermark mode: Single places one watermark per page; Tile repeats it across the page; Diagonal arranges watermarks at an angle for full coverage.

7

Choose pages to watermark: Select 'All pages' or enter specific ranges like '1-10, 15, 20-25'.

8

If your PDF needs rotation, rotate the file before adding the watermark.

9

Click 'Add Watermark' to apply. Processing happens in your browser.

10

Download your watermarked PDF when complete.

When You Need Watermarks

Mark documents as 'CONFIDENTIAL', 'DRAFT', or 'SAMPLE' with bold text watermarks
Brand company PDFs with your logo across every page
Protect copyright on ebooks, white papers, or digital publications
Add disclaimers or status labels to contracts before sharing
Watermark presentation decks with event names or dates
Label internal documents with department names or classification levels
Add 'FOR REVIEW ONLY' to documents sent for approval
Stamp invoices or quotes with business branding
Mark proprietary designs or blueprints with ownership information
Create sample PDFs for client previews with 'SAMPLE' watermarks

Why Choose This Tool?

Protect intellectual property and discourage unauthorized copying
Professional branding reinforces company identity on all documents
Flexible positioning and modes let you watermark exactly how you want
Text watermarks require no extra files - just type and apply
Image watermarks let you use existing logos or graphics
Transparency control ensures watermarks don't obscure important content
Page range selection applies watermarks only where needed
All processing happens locally - your PDFs never get uploaded

Frequently Asked Questions

How do I add a watermark to a PDF?
Upload your PDF, choose either text or image watermark, customize the appearance (font, color, opacity, size), select position and mode, choose which pages to watermark, then click 'Add Watermark'. Your watermarked PDF will be ready to download.
What's the difference between text and image watermarks?
Text watermarks let you type words like 'CONFIDENTIAL' directly - no image file needed. Image watermarks let you upload a logo or graphic file. Text is faster for simple labels; images work for branding with company logos.
What fonts can I use for text watermarks?
You can choose from three professional fonts: Helvetica (modern, clean), Times Roman (classic, formal), or Courier (monospace, typewriter-style). These fonts are embedded in PDFs for consistent display everywhere.
How does watermark opacity work?
Opacity controls transparency. 100% is completely solid and opaque. Lower values make the watermark more transparent - 50% is semi-transparent, 25% is very faint. Lower opacity lets document content show through clearly while still displaying the watermark.
What are the three watermark modes?
Single mode places one watermark at your chosen position on each page. Tile mode repeats the watermark in a grid pattern across the entire page. Diagonal mode arranges watermarks at an angle covering the page - great for 'DRAFT' or 'CONFIDENTIAL' labels.
Can I watermark only certain pages?
Yes! Choose 'All pages' to watermark the entire document, or enter specific page ranges like '1-10' for pages 1 through 10, '5, 8, 12' for individual pages, or '1-3, 10-15' for multiple ranges.
How do I position watermarks exactly where I want?
Use one of nine preset positions (top-left, top-center, top-right, center-left, center, center-right, bottom-left, bottom-center, bottom-right) or select 'Custom' to specify exact X and Y percentages from the page edges.
Can I rotate text watermarks diagonally?
Absolutely. Set the rotation angle from 0 to 360 degrees. Common angles: 0° for horizontal, 45° for diagonal, 90° for vertical. Diagonal watermarks (like 45°) are popular for 'DRAFT' or 'CONFIDENTIAL' stamps.
What image formats work for image watermarks?
PNG, JPG, JPEG, and most common image formats. PNG works best if your logo has transparency. The tool will resize and convert your image as needed to embed it in the PDF.
Can I watermark password-protected PDFs?
Password-protected PDFs must be unlocked first. Use our PDF Decrypt tool to remove the password, then add watermarks to the unlocked file.
Will watermarks affect the original PDF quality?
No. Watermarks are added as overlay layers without modifying the original content. Text and images in your PDF remain at their original quality.
Are my PDFs uploaded to your servers?
No. Watermarking happens entirely in your browser using JavaScript. Your PDF and watermark image never leave your device, ensuring complete privacy.

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