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Contents Summary

You can use GroupDocs.Conversion without the license. The usage and functionalities are pretty much same as the licensed one but you will face few limitations while using the non-licensed API.

Evaluation Limitations

  1. Only up to 3 first pages are processed.
  2. Documents with more than 3 pages are not supported.
  3. Only 15 document conversions per hour.
  4. Trial badges are placed in the document on the top of each page.


The license file contains details such as the product name, number of developers it is licensed to, subscription expiry date and so on. It contains digital signature, so don't modify the file. Even inadvertent addition of an extra line break into the file will invalidate it. You need to set a license before utilizing GroupDocs.Conversion API if you want to avoid its evaluation limitations. However, license can be applied from file or stream.

Applying a License from Disk

Code below will explain how to apply product license.

Apply a License from Stream

The following example shows how to load a license from a stream.

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