PDF Suite• Security & Signing
Add Watermark
Stamp your PDF files with a custom text watermark.
Select or Drop PDF File
Add security stamps, confidential marks, or copyright logos seamlessly across all document pages.
Related PDF Suite Tools
PDF Free-Text Annotator
Add customizable text anywhere on a PDF with full color and background controls.
PDF Visual Masker
Visually draw blackout boxes on PDFs to mask sensitive text (Visual masking only).
Image & PDF OCR
Extract text from images or scanned PDF documents accurately using Tesseract AI natively in your browser.