How to remove watermark

Product Version:9.4.2

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Watermark remains when operating offcie to pdf
How to remove Watermark?
I used demo key

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Hi Jiyoon,

There is no straight forward way to remove a watermark because there is no universal way the watermark is defined within the PDF elements. Please see the following guide, specifically the portion on ElementEdit:

Hi, i have a license and use PDFTron tool for my mobile app, how can i show/hide or custom watermark in viewer with Flutter Framework?
My license: Bigal Co, Ltd…


For using WebViewer, you can take a look at this guide for how to custom watermark in WebViewer. Thanks.