IndexedDB is a low‑level client‑side storage API built into modern browsers. It allows web applications to store significant amounts of structured data (including files and blobs) for offline use, faster load times, and persistent user preferences.

Only IndexedDB databases created under the same origin (protocol + domain + port) as this page. This is a browser security restriction and cannot be bypassed.

Yes. Click the edit icon on any row to modify its JSON value. Changes are written directly to the database using a read‑write transaction. Be cautious when editing production data.

Yes. The JSON editor serializes data as text. Special types like File, Blob, ArrayBuffer, and Date may lose their original type when round‑tripped through JSON. The tool displays warnings for such values.

Select a store and click the Export button. A .json file containing all records (with keys) will be downloaded. This is useful for backups or migrating data between origins.

No. Deleting a database permanently removes all its object stores and data. Always export your data before dropping a database if you might need it later.