How to Use Add Watermark
Process your files in seconds. Everything runs directly inside your web browser with zero software installation or account setup required.
Upload PDF Document
Select the PDF file you wish to brand, protect against copying, or stamp as confidential.
Choose Text or Logo Stamp
Type custom text (e.g. 'CONFIDENTIAL', 'SAMPLE') or upload a transparent PNG brand logo.
Customize Position & Opacity
Adjust rotation angle, transparency opacity, text font size, color, and layer placement.
Export Watermarked PDF
Download your protected PDF file with uniform watermark coverage across all pages.
Why Choose ToolLab's Add Watermark?
Engineered for extreme speed, strict privacy, and maximum accuracy. Experience a modern browser utility built with high standards.
Custom Text & Logo Watermarks
Stamp brand logotypes, copyright notices, or security classifications with ease.
Fine Opacity & Angle Tuning
Dial in subtle 10-30% transparency and diagonal tilts so document text remains legible.
Underlay or Overlay Stamping
Place watermarks behind existing text or prominently across the top foreground.
Consistent Multi-Page Stamping
Applies precisely across every page in seconds, ensuring seamless branding.
Zero Cloud File Exposure
Keep confidential drafts, financial audits, and IP proposals safe on your local computer.
Professional Print Quality
Exports vector text watermarks that print cleanly without pixelated edges.
Frequently Asked Questions
Everything you need to know about using Add Watermark, security protocols, and supported formats.
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