🏠 New in High Baseline Support: Storage manager

March 18, 2026

caniuse · mdn · spec

The navigator.storage API provides information about the availability and persistence of the data that a site stores on the device, by using APIs such as the Cache API or the IndexedDB API.

Source features

• api.Navigator.storage [mdn]
• api.StorageManager [mdn]
• api.StorageManager.persist [mdn]
• api.StorageManager.persisted [mdn]
• api.WorkerNavigator.storage [mdn]
• api.StorageManager.estimate [mdn]
• api.Permissions.permission_persistent-storage [mdn]