Key — Ironpdf License
When deploying to isolated environments like Linux containers or Azure Web Apps, configuration files might not be read correctly due to path differences. Switch to using the method to ensure global system access to the key. Best Practices for License Key Security
Use code with caution. Free and Open-Source Alternatives to IronPDF
The license key is a long string that usually includes an expiration date (e.g., IRONPDF-MYLICENSE-KEY-1EF01-EXPIRES.01.JAN.2050
IronPDF is well-regarded for its developer-friendly, . This means that when you purchase a license, it’s a one-time payment that allows you to use the specific version of the library you bought for an unlimited time, without any recurring fees. ironpdf license key
This error indicates that IronPDF is trying to validate your license with Iron Software’s licensing servers but cannot establish an internet connection. For Team and similar license types, an active internet connection is required.
: You can request a 30-day free trial key from the IronPDF Licensing Page to test the full version without watermarks.
// Apply license at startup IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01"; // Verify status bool isLicensed = IronPdf.License.IsLicensed; Use code with caution. Copied to clipboard javascript Free and Open-Source Alternatives to IronPDF The license
Once the key is correctly placed, the transformation is complete. The application no longer throws LicensingException
If deploying via Docker or cloud services (like AWS or Azure), ensure your environment variables accurately map to IronPdf_LicenseKey .
For modern .NET Core, Web API, and Blazor applications, place the key within your appsettings.json file. IronPDF automatically detects this key if named correctly. "IronPdf.LicenseKey": "IRONPDF-YOUR-LICENSE-KEY-HERE" Use code with caution. Method 4: Environment Variables For Team and similar license types, an active
For .NET Framework applications, you can store the key in the App.config or Web.config file. However, IronPDF will not read it directly from there. You must retrieve it using ConfigurationManager and then assign it to the LicenseKey property in your code.
"IronPdf.LicenseKey": "YOUR-LICENSE-KEY"
