If you have validly licensed GoJS and are still having trouble, the best course of action is to contact Northwoods Software Support.
After that line, add a conditional check that intercepts the watermark text before it is returned:
If you have entered the license key but the watermark is still present, check the following:
If you are troubleshooting an active deployment, let me know: What or environment are you deploying to? Which version of GoJS are you currently running? Are you seeing any console errors when the diagram loads? Share public link
or a similar variation depending on your version.
// Apply the license key provided by Northwoods Software go.Diagram.licenseKey = "YOUR_ACTUAL_LICENSE_KEY_HERE"; // Then create your diagram var diagram = $(go.Diagram, "myDiagramDiv", // ... diagram properties ); Use code with caution.
This process works for internal corporate websites, public websites, and even localhost for testing and debugging.
Ensure the license key matches the version of GoJS you are using (e.g., a v2.x key might not work with v3.x).
The GoJS library displays a "GoJS Evaluation" watermark whenever it is used without a valid license key or on an unauthorized domain. Official Removal Method
If you have any questions about the GoJS licensing, I can help you find: The .
As soon as you update GoJS to a new version, or even a new patch, your manual changes will be overwritten and the watermark will return.
GoJS offers several tiers of licenses based on your deployment needs (e.g., per-developer seats, domain-specific deployment licenses, or internal vs. SaaS applications). You must navigate to the official GoJS pricing page and purchase the license that fits your business model. Step 2: Generate Your License Key
Removing the GoJS watermark is simple once you have a valid license. , set it using diagram.licenseKey or go.LicenseManager.setKey() , and the message will disappear.