Add Watermark to PDF Online | Free PDF Watermark Tool
Add text or image watermarks to your PDF documents. Customize watermark appearance, position, and opacity for perfect document protection.
Protect Your PDF with a Watermark
Add professional text or image watermarks to your PDF files instantly. No software required — 100% online and free.
Drag and drop your PDF file here or click to browse
Supported: .pdf files onlyText Watermarks
Add custom text watermarks with various fonts and styles
Image Watermarks
Upload your own logo or image as a watermark
Opacity Control
Adjust watermark transparency from 0% to 100%
Security
Protect your documents with professional watermarks
How It Works
Upload your PDF file
Simply drag and drop your PDF file or click to browse and select your file. Our tool supports all PDF formats and file sizes up to 50MB.
Choose watermark type (Text / Image)
Select between text or image watermark. Customize opacity, position, and rotation to match your needs perfectly.
Adjust opacity, position, and rotation
Fine-tune your watermark appearance with our intuitive controls. Set transparency, angle, and placement exactly where you want it.
Download your new watermarked PDF
Get your professionally watermarked PDF file instantly. Ready for distribution, archiving, or professional use.
Features
Supports text & image watermarks
Add custom text or upload your own logo/image as a watermark with full customization options.
Works entirely in your browser (no upload to server)
Your files never leave your device. All processing happens locally for maximum security and privacy.
Lightning-fast processing
Get your watermarked PDF in seconds with our optimized processing engine.
Adjustable opacity and font style
Fine-tune watermark appearance with opacity control, font customization, and positioning options.
Secure file handling — auto-delete after process
Files are automatically deleted after processing. No storage, no tracking, complete privacy.
Use Cases
Protect confidential business documents
Add "CONFIDENTIAL" or "INTERNAL USE ONLY" watermarks to sensitive business documents before sharing.
Add copyright or "Do Not Copy" marks
Protect your intellectual property with copyright notices and copy protection watermarks.
Brand PDFs with your logo
Add your company logo to PDFs for professional branding and brand recognition.
Securely share files online
Watermark documents before sharing to prevent unauthorized copying or distribution.
Why Use Toolomix to Add Watermark to PDF?
When you need to add watermark to PDF, choosing the right PDF watermark tool is crucial for document protection. Our PDF watermarking tool ensures that your documents are properly branded and protected. Whether you're dealing with confidential documents or need to add text watermark to PDF capabilities, our free PDF watermark tool handles all your watermarking needs.
Our advanced watermarking technology makes it easy to watermark PDF documents while maintaining perfect quality. The tool automatically applies watermarks without affecting document structure. For businesses requiring secure PDF watermarking functionality, our tool provides customizable options for text and image watermarks.
Looking for other document processing options? Check out our comprehensive document converter tools including PDF to Word converter, Word to PDF converter, and PDF merger for all your document processing needs.
How to Add Watermark to PDF in 3 Simple Steps
Step 1: Upload Your PDF Document
Simply drag and drop your PDF file into the upload area or click to browse and select your file. Our PDF watermark tool online no signup supports all PDF formats and file sizes up to 50MB. For larger files, consider using our PDF compressor first.
Step 2: Configure Watermark Settings
Choose between text or image watermark. Customize opacity, rotation, spacing, and other settings. Our PDF signing tool is also available for document authentication.
Step 3: Download Your Watermarked PDF File
Once watermarking is complete, download your watermarked PDF file directly to your device. The file will be ready for distribution, archiving, or professional use. Need to merge multiple files? Use our PDF merger.
Text vs Image Watermarks
When using our PDF watermark tool, understand the difference between watermark types:
Text Watermarks
Text watermarks add custom text to your PDF with full control over font size, color, opacity, rotation, and spacing. Perfect for confidential stamps and copyright notices.
Image Watermarks
Image watermarks allow you to add your company logo or any image to protect and brand your documents. Supports PNG, JPG, and GIF formats.
Advanced Options
Customize watermark appearance with opacity control, rotation angles, and spacing adjustments. Support for multiple languages and alphabets.
Frequently Asked Questions
How do I add a watermark to a PDF for free?
Upload your file, choose text or image watermark, customize placement, and download instantly. Our tool is completely free and works entirely in your browser.
Can I add my company logo as a watermark?
Yes! Upload any image (JPG/PNG) and position it anywhere on the page. You can adjust opacity, rotation, and spacing to match your branding needs.
Is my file safe?
All processing is done in your browser; files are not stored on Toolomix servers. Your documents remain completely private and secure.
What file formats are supported for watermarks?
For image watermarks, we support JPG, PNG, and GIF formats. For text watermarks, you can use any text with custom fonts and styling options.
Can I adjust the watermark opacity and position?
Yes! You have full control over opacity (0-100%), rotation angle (0-360°), and positioning. You can also adjust spacing between watermarks.
Does the watermark affect PDF quality?
No, our watermarking process maintains the original PDF quality. The watermark is added as a separate layer without affecting the document content.
Try Other Free PDF Tools on Toolomix
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