License Calculator

SUMMARY

This calculator will allow you to Downgrade or Upgrade License keys for 1, 3, 7 and 10 year option without having to do the mathematics. The algorithm will take care of the formula and you just need to provide when the key was created, select the year and choose the upgrade or downgrade option.

The latest version of License Calculator is available on the Chrome web and is currently being used by 49 active users. The initial version was launched on 2019-09-09.

HOW TO INSTALL License Calculator FROM A CRX FILE

1. Download License Calculator CRX file
2. NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to download the ZIP file instead
3. In the URL bar, go to chrome://extensions
4. Enable Developer mode

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