OIB Generator
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Generate OIBs from context menu with this extension!

OIB Generator is a Chrome extension designed to generate valid OIBs. OIB is personal identification number used in Croatia. If you are outside of Croatia it is unlikelly that this will be of much use to you. Usage instructions Install the extension and right Click on any input field in which you would like to insert new OIB. Menu item "Generate OIB" will be shown and upon clicking it, new OIB will be generated and inserted into the field. How does it work OIBs are generated by first generating 10 random digits and then calculating the final, 11th, control digit that is used to validate the OIB. The last digit is generated from first 10 digit using the ISO7064 (MOD 11,10) specification. This extension just generates OIBs that pass the OIB validations. It does not generate actual OIBs used by the citizens and companies of Croatia. OIBs generated with this extension should not be used in production environments.

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  • Version
  • Updated
    March 9, 2021
  • Offered by
    Ivan Brčić
  • Size
  • Languages
  • Developer
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.


The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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