How to Add Confidential and Draft Watermarks to PDF Pages Online
Sending pitch decks to investors, draft contracts to clients, or mock exam papers to students requires copyright protection to prevent unauthorized redistribution. iEditPDF's Watermark PDF tool lets you stamp diagonal semi-transparent text watermarks (like 'CONFIDENTIAL', 'DRAFT', or 'DO NOT COPY') or company logos across your PDF pages with exact opacity and angle controls.
Use the Free Watermark PDF Online
No installation, no account creation, and zero server uploads. Your files are processed securely inside your browser.
Step-by-Step Instructions
4 Easy StepsUpload Your PDF Document
Open the Watermark PDF tool and drag-and-drop your document into the studio.
Enter Text or Upload Logo
Choose 'Text Watermark' and type words like 'CONFIDENTIAL', 'FOR REVIEW ONLY', or upload your company's transparent PNG logo.
Adjust Opacity and Position
Set opacity to around 15%–25% so your document text remains easily readable underneath while the watermark remains clearly visible.
Download Watermarked PDF
Click 'Apply Watermark' to compile and download your protected document immediately.
Start in the Watermark PDF Studio Now
Zero account registration, zero watermarks, and 100% client-side privacy on your device.
Why Use iEditPDF for This Task?
Written & Code-Audited by Vipul Ravindra Sukhdeve
VNIT Nagpur Graduate • JNV Gondia Alumnus • WebAssembly & Privacy Systems Architect
Frequently Asked Questions
Can someone easily delete the watermark from my PDF?
What opacity should I use so my text is still readable?
Can I add an image logo watermark instead of text?
Recommended Companion Tools
Frequently used together with the Watermark PDF workflow
Protect PDF (Encrypt)
Add strong password encryption and restrict unauthorized viewing.
Unlock PDF (Decrypt)
Remove password security and restrictions from unlocked PDFs.
Remove Metadata
Strip EXIF, GPS, author info, and hidden tracking metadata from PDF and photos.
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How to Add Custom Text and Logo Watermarks to Protect Your Work
Whether you are a real estate photographer, artist, lawyer, or business owner sharing sensitive draft proofs, adding a visible watermark prevents unauthorized redistribution and ensures your brand gets proper attribution.
See why users choose iEditPDF over iLovePDF, Smallpdf, and Adobe Acrobat