Gojs Remove - Watermark
For GoJS version 1.7 and all modern versions (including 2.x, 3.x, and beyond in 2026), you apply a license key to remove the watermark. Step-by-Step Implementation
"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.
Sometimes the watermark persists even after applying the key. This is often due to how the app is served. A. Localhost Testing gojs remove watermark
go.licenseKey = "YourKeyHere";
4. What to Do If You Have a License But the Watermark Still Appears For GoJS version 1
Furthermore, licensed users get official support, documentation, and access to all updates. They can confidently deploy their applications to clients and users, knowing that the underlying diagramming engine is robust, tested, and legal.
// Set the license key globally go.LicenseManager.setKey("YOUR_LICENSE_KEY_HERE"); // Now all diagram instances will be licensed const diagram1 = $(go.Diagram, "div1"); const diagram2 = $(go.Diagram, "div2"); Use code with caution. 3. Why You Should Never Try to Hack the Watermark Sometimes the watermark persists even after applying the key
When you receive your license key from Northwoods Software, it will look like a long string of characters and numbers. Keep this key safe in your repository. Step 2: Set the License Key in JavaScript