License Initialization

Get a trial key

A time-limited public trial license is available for every new device for first use of Dynamsoft Document Normalizer. You can find the public trial license on the following parts of this page.
If your public trial key is expired, please visit Private Trial License Page to get a 30-day trial extension.

Get a full license

Initialize the license

The following code snippets are using the public trial license to initialize the license. You can replace the public trial license with your own license key.

Java-Android
Objective-C
Swift
C
C++
JavaScript

LicenseManager.initLicense("DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9", MainActivity.this, new LicenseVerificationListener() {
   @Override
   public void licenseVerificationCallback(boolean isSuccess, CoreException error) {
      if(!isSuccess){
         error.printStackTrace();
      }
   }
});

[DynamsoftLicenseManager initLicense:@"DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9" verificationDelegate: self];
- (void)licenseVerificationCallback:(BOOL)isSuccess error:(NSError *)error{
   // Add your code to execute when license verification call back is handled.
}

DynamsoftLicenseManager.initLicense("DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9", verificationDelegate: self)
func licenseVerificationCallback(_ isSuccess: Bool, error: Error?) {
   // Add your code to execute when license verification call back is handled.
}

int errorCode = 0;
char szErrorMsg[256];
errorCode = DC_InitLicense("DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9", szErrorMsg, 256);

int errorCode = 0;
char szErrorMsg[256];
errorCode = CLicenseManager::InitLicense("DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9", szErrorMsg, 256);
if (errorCode != DM_OK)
   cout << szErrorMsg << endl;

Dynamsoft.DDN.DocumentNormalizer.license = "DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9";