MAGENTO 2 REINDEX EXTENSION
This extension is perfectly suitable for the QA department and project manager whole testing the functionality and productivity of new product. While QA Analyst uses this plugin specifically during the site development. Magento 2 Reindex Extension plays an important part in reindexing all the crucial data in a few seconds. It holds the ability to set the mode for indexing and take multiple actions for reindexing the data. This is 100% open source and easy to use and install extension that ensures user friendly interface. You do not have to make any core code changes.
https://www.cynoinfotech.com/product/reindex-magento-2-extension/