Kahuna, the IndexedDB-Manager автор Hummmingme

With Kahuna IndexedDB databases can be managed right in the browser. It can be used to create databases and modify their structure, as well as to view, query, edit, import and export the data they contain. Kahuna supports developers of IndexedDB databases and provides convenient access to the data they contain. Interested users can use Kahuna to satisfy their curiosity and find out what data the websites they visit permanently store in their browser.

The main features provided are

• signals with its icon in the browser's address bar when IndexedDB databases exist for a visited website
• displays lists of the found databases and tables (aka object stores)
• can create new databases, as well as copy and delete existing databases
• its database schema editor can be used to create and delete tables, and to modify indexes
• displays the data of a table page by page and enables the editing and deletion of data records
• Filters can be configured and combined for all data fields to display or export a selection of the data contained in a table
• imports and exports databases in dexie format
• imports and exports tables in dexie, json and csv format, as well as selected data records in json and csv format
• enables the entry and execution of arbitrary JavaScript code to modify databases, tables or data