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The watermark can be text or an image. Repeated mode covers the entire page diagonally (deterrent protection). Free mode places the watermark at an exact location, ideal for a logo or discreet stamp.
Free, no account required, browser processing and no server upload.
Drop a file — Add PDF watermark
Drag and drop your file here · Choose a file from your device
Max 100 Mo
The watermark can be text or an image. Repeated mode covers the entire page diagonally (deterrent protection). Free mode places the watermark at an exact location, ideal for a logo or discreet stamp.
Strategic settings
Limitation: a watermark on a very busy background (dense table, photo) may become invisible even at 50% opacity. Always test with a preview.
Professional use
Add "FOR CLIENT" as a diagonal watermark on a quote before sending, and place your logo at the bottom right with 25% opacity for a discreet signature.
Add PDF watermark helps you complete this task directly in your browser. You keep control of your data and get the result locally.
Yes. Add PDF watermark is free to use and runs in your browser without sending files or content to Lmaotools servers for processing or storage.
No. Files and content added to the tools are processed in your browser. They are not sent to Lmaotools servers for conversion or storage.
No. Open the tool, add your file or content, then get the result. Processing happens locally in your browser.