To remove the watermark from a GoJS diagram, you must valid license key from Northwoods Software and apply it to your application
Q: Does the watermark appear in screenshots or print?
A: Yes. The watermark is part of the canvas rendering. Any screenshot, PDF generation, or print will include the watermark clearly. gojs remove watermark
For GoJS version 1.7 and later, you must use a license key provided after purchasing the software. Google Groups Apply the key: To remove the watermark from a GoJS diagram,
Does this work?
No. The watermark in GoJS is not time-limited in the traditional sense. The trial version does not "expire" after 30 days. Instead, the watermark is always present in the trial distribution. It does not phone home to a server. The code that renders the watermark is compiled into the library. Resetting your system clock or clearing caches will have zero effect. Any screenshot, PDF generation, or print will include
Correct implementation pattern (React example):
Myth 3: "If I use the go-debug.js file instead, there is no watermark."
Fact: The debug version also contains the watermark logic. Debugging does not bypass licensing.
Visually, look at the bottom-left corner of every diagram. If you see anything that says "Trial," "Evaluation," or "Unlicensed," the removal failed.
// The ONLY official way to remove the GoJS watermark
go.GraphObject.licenseKey = "YOUR_PURCHASED_LICENSE_KEY_HERE";