Syncfusion Generate License Key -
You can generate keys from the or Trial & Downloads section of your account dashboard. For Version 31.1.17 or Higher (Edition-Based) Navigate to the Downloads and Keys page. Click the Get License Key link. Select version 31.x.x or higher from the dropdown.
Locate the section in the main navigation menu or sidebar. Click on Downloads & Keys . Step 3: Select Your Version and Platform
| Error Message | Cause | Solution | |----------------|--------|----------| | Trial Expired | No key applied, or key is for a different platform | Ensure you called RegisterLicense before any Syncfusion control is instantiated. | | Invalid License Key | The key was copied incorrectly (extra spaces, wrong key) | Re-generate the key from your dashboard. Copy exactly. Do not modify it. | | License key is not registered for this platform | The key was generated for WinForms but used in Blazor | Generate a new key from your dashboard (keys are platform-agnostic now, but older versions were not). Update Syncfusion NuGet packages. | | The license has expired | Your subscription ended, or you are using a trial key | Renew your subscription, or generate a new Community License. | | Unable to find Syncfusion.Licensing assembly | Missing NuGet reference | Install Syncfusion.Licensing NuGet package: Install-Package Syncfusion.Licensing | syncfusion generate license key
You are an individual developer or working in an organization with 5 or fewer developers.
Possible values: Unregistered , Valid , Invalid , Expired , Trial , TrialExpired . You can generate keys from the or Trial
Community Licenses do not have an expiration date, and support for new versions continues to be provided.
your Syncfusion account → Go to Dashboard → Downloads & Licenses . Select version 31
import registerLicense from '@syncfusion/ej2-base'; // Register your Syncfusion license key registerLicense('YOUR_GENERATED_LICENSE_KEY_HERE'); Use code with caution. 3. Flutter
In main.dart before runApp() :
Once generated, the key must be registered at the entry point of your application to remove the evaluation watermark. How to generate License key for licensed products?
If the key is missing, invalid, or expired, the UI will show a or throw a LicenseException .