Free Add Watermark to PDF (Confidential, Draft & Custom Logo) Online
Stamp custom text or transparent image watermarks (e.g. 'CONFIDENTIAL', 'SAMPLE', company logo) across all PDF pages. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
Add Watermark to PDF (Confidential, Draft & Custom Logo) Ready
Ready to execute document transformation client-side with 0ms server latency.
How It Works
Upload PDF
Select the PDF requiring watermarking.
Enter Watermark Text or Logo
Type 'CONFIDENTIAL', 'DRAFT', or upload your company PNG logo.
Adjust Opacity & Angle
Set diagonal angle (45°), opacity (15-30%), and layer position (above or below text).
Download Watermarked PDF
Save the protected PDF immediately.
Frequently Asked Questions
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