Storage is a SQLite database API. It is available to trusted callers, meaning extensions and Firefox components only. The API is currently "unfrozen", which means it is subject to change at any time; in fact, it has changed somewhat with each release of Firefox since it was introduced, and will likely continue to do so for a while. Note: Storage is not the same as the DOM:Storage feature which can
![Storage - Mozilla | MDN](https://cdn-ak-scissors.b.st-hatena.com/image/square/e51bd6dc33a667d35eb4146698a198e55ff92d6e/height=288;version=1;width=512/https%3A%2F%2Fdeveloper.mozilla.org%2Fstatic%2Fimg%2Fopengraph-logo.72382e605ce3.png)