The present invention refers to a computer-implemented method of anonymizing data of a database (2), wherein the method comprises the following steps: a. exporting at least one data record (10) from the database (2), wherein the data record (10) has a structure and comprises content (100); and b. anonymizing at least part of the content (100) to produce at least one anonymized data record (3); c. wherein the anonymized data record (3) has the same structure than the data record (10) read from the database (2).