When you modify the GoJS library files directly, any future update to the library (through npm updates, security patches, or version upgrades) will overwrite your modifications. You must reapply your changes each time, creating a maintenance burden that grows over time.
Removing the GoJS watermark is an intentional step built into the library’s commercial lifecycle. To comply with software law and ensure application stability, always use a assigned to go.Diagram.licenseKey . For projects where licensing costs are prohibitive, choosing an open-source library from day one is the safest approach. If you are upgrading your architecture, let me know:
Ensure the key is copied exactly as provided, without accidental spaces or missing characters. gojs remove watermark
// The ONLY official way to remove the GoJS watermark go.GraphObject.licenseKey = "YOUR_PURCHASED_LICENSE_KEY_HERE";
The only authorized and legal way to remove the GoJS watermark is to purchase a commercial license from Northwoods Software. When you buy a license, you receive a cryptographic license key tied to your application's domain name. Step 1: Obtain a License Key When you modify the GoJS library files directly,
Removing the watermark is just one perk. A paid license also provides:
GoJS is a powerful commercial software library licensed by Northwoods Software for creating interactive diagrams and charts. It is not open-source software. The evaluation version downloaded from gojs.net or installed via npm includes a fully functional library with no time limitations—but it displays a watermark in every diagram view. To comply with software law and ensure application
Or via JavaScript: