PDF Watermark Tool
Upload your files to process. All operations happen in your browser - your files never leave your device.
Drag and drop files here or click to browse
Accept pdf, x-pdf, acrobat, applications/vnd.pdf, text/pdf, vnd.adobe.pdfxml, .pdf files up to 50 MB
Maximum 1 files
Watermark PDF - Add Watermark to PDF Free
Watermark PDF files online in seconds with ILoveCompress. Add custom text watermarks to any PDF document without uploading. Fast, secure, and always free.
FROMPDF Format (Portable Document Format)
PDF is the most widely used format for documents that need consistent formatting across devices. Many users watermark PDF files for branding, copyright, or security.
- • Preserves fonts, layouts, and media
- • Works on all operating systems
- • Supports both text-based and scanned files
- • Ideal for legal, academic, or business files
- • Watermarking protects and adds ownership
TOWatermarked PDF Document
A watermarked PDF contains custom text overlaid across selected pages. It helps identify ownership, deter misuse, and deliver professional branding.
- • Custom watermark text across any pages
- • Preserves original layout and quality
- • No third-party access to files
- • Fully browser-based for user privacy
- • Universally compatible with all PDF readers
Why Use Our Watermark PDF - Add Watermark to PDF Free?
Discover the key advantages of converting your files with our professional-grade tool.
Custom Text Watermarks
Add text watermarks to any PDF page. Use it for copyrights, confidentiality, or branding.
No Upload, Full Privacy
We don’t store your PDFs. Watermarking happens 100% in-browser. Nothing ever leaves your device.
Watermark PDFs Instantly
Process and download your watermarked PDF within seconds. No waiting, no signup.
Designed for Business Needs
Securely watermark PDF files for legal docs, client materials, and internal reports.
Complete Control
Choose watermark location, opacity, font size, and select specific pages to mark.
Free & Unlimited Access
Watermark PDFs online for free, with no restrictions. No watermarks on your watermark either.
How to Convert Files Online - Step by Step Guide
Follow this comprehensive guide to convert your files quickly and efficiently. Our tool provides a seamless experience similar to other Compress PDF available on our platform.
Upload Your PDF
Click 'Upload' or drag and drop your PDF. Files up to 50MB are supported for instant watermarking.
Enter Watermark Text
Type your custom watermark text. Choose opacity, font size, and page range for full control.
Download Watermarked PDF
Click 'Download' to save your professionally watermarked PDF. No registration required.
Key Features & Capabilities
Explore the powerful features that make our converter the best choice for your needs. These features are designed based on industry standards and user feedback.
Flexible Text Options
Use any text—names, confidential tags, copyright notes—as your watermark.
Adjust Transparency
Make your watermark subtle or bold by customizing its opacity.
Local Processing Only
Nothing is uploaded or stored. Your watermark PDF is generated right in your browser.
Works Everywhere
Use it on Mac, Windows, iOS, Android, or Linux—just open your browser and start watermarking.
Watermark Specific Pages
Select any page range for watermarking. Ideal for highlighting specific content only.
Consistent Formatting
Output files retain original structure. The watermark integrates smoothly across pages.
Frequently Asked Questions
Get answers to common questions about file conversion and our tool. For more technical information, you can also refer to PDF - Wikipedia.
Is watermarking PDFs secure on ILoveCompress?
Yes. Everything runs client-side. No files are uploaded or saved. Your documents remain private.
Can I watermark only a few pages?
Yes, you can choose to watermark all pages or pick specific ones before generating the PDF.
Will the watermark affect PDF quality?
No. The watermark overlays the original PDF without altering its resolution, fonts, or structure.
What kind of text can I use?
You can add any text - names, copyright tags, 'confidential', or your brand name.
Is this watermark PDF tool free?
Yes. No cost, no account required. Unlimited usage with full access to all features.
What file size can I upload?
You can upload PDF files up to 50MB. Ideal for business reports, contracts, and more.
Can I preview my watermark before download?
Yes, you'll see a live preview before applying the watermark, so you can fine-tune the design.
Technical Specifications
Detailed technical information about supported formats and capabilities. These specifications are based on official documentation from PDF - Wikipedia.
Supported Input
- • Standard PDF files (ISO 32000)
- • Multi-page and single-page documents
- • Text-based and scanned formats
- • No password-protected files supported
Output Details
- • PDF with embedded watermark
- • Text overlaid at 45-degree angle
- • Adjustable font size and opacity
- • Preserves images, links, and structure
Watermark Options
- • Any UTF-8 compatible characters
- • Font size: 20px - 100px
- • Opacity: 10% - 100%
- • Pages: All or selective
- • Diagonal watermark position
Browser Compatibility
- • Google Chrome, Safari, Firefox, Edge
- • iOS, Android, macOS, Windows, Linux
- • Fully responsive interface
- • No extensions or apps needed
Additional Resources
Explore more tools and helpful resources for your file processing needs.
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Helpful Resources
Start Adding Watermarks Now
Join thousands of users who trust our free, secure, and lightning-fast PDF Watermarking tool. Protect your documents with confidence - no registration required!