PDF watermark tools
Every tool on this hub runs in your browser. Pick the mark you need. There is no account and no upload.
Start with the job, not the keyword
Classification, status, rights, or a corner stamp are different jobs. Using CONFIDENTIAL on a draft-only file trains people to ignore both words. Choose the tool that matches the message.
Add a watermark to a PDF
Add a watermark to a PDF online. Free, no account, no file upload. Vector text on every page. Files stay in your browser. Download in seconds.
Free PDF watermark tool
Free PDF watermark tool. No account, no page cap, no file upload. Add text watermarks in your browser. Files never leave your device. Download instantly.
Watermark a PDF online
Watermark a PDF online with no install and no upload. Works in Chrome, Edge, Firefox, and Safari on Windows, Mac, and Linux. Files stay in this browser.
Add a confidential watermark to a PDF
Add a CONFIDENTIAL watermark to a PDF online. Free, no account, no upload. Red diagonal text on every page. Built for contracts and internal files.
Add a draft watermark to a PDF
Add a DRAFT watermark to a PDF online. Free, no account, no file upload. Marks every page so reviewers do not treat an unfinished file as final.
Batch watermark PDF files
Batch watermark PDF files online. Free, no account, no upload. Apply the same text to several PDFs in your browser and download each marked file.
Add a “do not copy” watermark to a PDF
Add a DO NOT COPY watermark to a PDF online. Free, no account, no upload. Tiled text on every page as a visual deterrent for review copies you share.
Add a sample watermark to a PDF
Add a SAMPLE watermark to a PDF online. Free, no account, no file upload. Label client previews, exam copies, and portfolio pages on every page.
Add a stamp to a PDF
Add a text stamp to a PDF online. Free, no account, no upload. PAID, APPROVED, RECEIVED, or custom wording on every page as selectable vector text.
Guides for Acrobat, Mac, and phones live in the Guides hub if you are not using this site’s editor.