// Go to the "Licensing" tab in your IronPDF dashboard to get your key. // Replace "YOUR-KEY-HERE" with the actual string. License.LicenseKey = "YOUR-KEY-HERE";
IronPDF licenses are perpetual, but updates and support expire after a certain period. If your license key has expired, you can still use the versions of IronPDF released prior to that expiration date. To use newer releases, you will need to renew your support plan.
It is a best practice to use different license keys for your development, staging, and production environments. This allows you to:
Even with the correct key, developers often encounter issues. Here is how to fix the most common "IronPDF license key" errors. ironpdf license key
Add the following section to your Web.config or App.config :
| Error | Likely Cause | Fix | |-------|--------------|-----| | License key not found | Key never set | Set License.LicenseKey before any PDF operation | | This license is for evaluation only | Trial key in prod | Buy production key | | The license key does not allow deployment on this server | Wrong deployment type | Buy correct tier (Cloud, OEM, or Standard) |
Upon completing the purchase, you will receive your license key via email. Applying the License Key in .NET (C#) // Go to the "Licensing" tab in your
from ironpdf import ChromePdfRenderer, License, Logger # Set the IronPDF license key License.LicenseKey = "YOUR-LICENSE-KEY" # ... rest of your code Use code with caution. 2. .NET MAUI & Mobile
To avoid headaches in production, follow these DevOps best practices.
Module Program Sub Main(args As String()) ' Apply the license key IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE" If your license key has expired, you can
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Given that IronPDF offers a generous and perpetual licenses starting at $799, there is simply no legitimate reason to resort to illegal cracks.