How to remove watermark

[jiyoon.son]

Product:
PDFTRON Obj-C SDK
Product Version:9.4.2

Please give a brief summary of your issue:
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Watermark remains when operating offcie to pdf
How to remove Watermark?
I used demo key

Please describe your issue and provide steps to reproduce it:
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Please provide a link to a minimal sample where the issue is reproducible:

[kmirsalehi]

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:

How do I remove a watermark from an existing PDF document?

Q: Is there a way to remove a watermark from an existing PDF document i.e. one not created using PDFNet? -------- A: If the watermark/stamp is represented as a annotation you could use page.AnnotRemove() to remove the annotation object from the page. In watermark/stamp is part of PDF content stream you could remove graphical elements as shown in ElementEdit sample project (http:// www.pdftron.com/pdfnet/samplecode.html#ElementEdit). The only tricky part is how to identify the part of th…

[nguyendoanhtu14]

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…

[Wanbo_Li]

Hi,

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

Apryse Documentation | Documentation

Wanbo