Ironpdf License Key Guide
configuration—to ensure every PDF generated is born without the watermark.
To use an IronPDF license key, developers need to add it to their project. The following code snippet demonstrates how to activate IronPDF using a license key:
Console.WriteLine("IronPDF license successfully activated!"); var info = License.GetLicenseInfo(); Console.WriteLine($"Licensee: info.Licensee"); Console.WriteLine($"Expires: info.ExpirationDate?.ToShortDateString() ?? "Perpetual"");
Apply the key at the very beginning of your script. ironpdf license key
Beyond unlocking features, a valid IronPDF license key is the gateway to official support and maintenance. Licensed users generally receive priority assistance from the Iron Software engineering team, ensuring that any technical hurdles or bugs are resolved swiftly to minimize downtime. Furthermore, maintaining an active license ensures that an organization remains compliant with intellectual property laws, mitigating the legal risks associated with using unlicensed software in commercial products. For businesses where document processing is a critical component of the workflow, the IronPDF license key represents not just a software activation step, but a guarantee of reliability and professional support.
After applying your license key, run a simple PDF generation test and verify that no watermark appears on the output document.
to claim their prize. Depending on their quest, they might choose: The Free Trial Key: "Perpetual""); Apply the key at the very beginning
// Also check license type and expiry var licenseInfo = IronPdf.License.GetLicenseInfo(); Console.WriteLine($"Licensed to: licenseInfo.Licensee"); Console.WriteLine($"Expiration: licenseInfo.ExpirationDate");
// Verify the license is active boolean isLicensed = License.isLicensed(); // Returns true if valid
using IronPdf;
Below are the most common methods for setting the key in .NET applications. Method 1: Setting the Key in Code (C#)
You can generate multiple license keys under one account. Use a for local development and your paid key for staging/production. This prevents accidental leakage of your production key.

