Ironpdf — License Key

Here are some common issues that you may encounter with IronPDF license keys:

Applying a license key is a straightforward programmatic step. In a C# environment, for example, the key is usually applied globally within the application's startup logic (such as Program.cs Startup.cs ) before any PDF methods are called: IronPdf.License.LicenseKey = "IRONPDF-YOUR-LICENSE-KEY-HERE" Use code with caution. Copied to clipboard Alternatively, the key can be placed in the appsettings.json web.config ironpdf license key