Scriptuna - ESV CrossRef and Search Tool is a Chrome add-on that provides users with the ability to easily access Bible verse references and search for occurrences of passages or texts in the ESV Bible. Developed by Timothy Koech, this free tool offers a convenient way to interact with biblical references without leaving the current tab.

One of the main features of Scriptuna is the ability to automatically get Bible verse references as pop-ups when you hover over such verses. This feature allows users to quickly view the content of a specific verse without having to navigate away from the page they are currently on.

Additionally, Scriptuna offers a search feature that allows users to search for occurrences of Bible passages without leaving the current tab. By simply clicking on the toolbar icon, a pop-up window appears, allowing users to enter their desired passage or text and retrieve relevant results.

Scriptuna works by adding ESV CrossRef tool scripts to the current tab, which can identify various formats of Bible references, such as "John 3:16" or "Jn 3:16". For more information on the crossref tool, users can visit the provided link.

Please note that the search feature requires an API key from the ESV Text API. Users can refer to the provided guide for a detailed explanation on how to obtain the API key.

Overall, Scriptuna - ESV CrossRef and Search Tool offers a convenient and efficient way for Chrome users to access Bible verse references and search for specific passages or texts within the ESV Bible, all without leaving their current browsing tab.