Web/API/StorageQuota

This is an experimental technologyCheck the Browser compatibility table carefully before using this in production.

The storageQuota property of the Navigator interface of the Quota Management API provides means to query and request storage usage and quota information. You can get a reference to this interface using Navigator.storageQuota.

Properties

StorageQuota.supportedTypes Read only

Returns a list of the available storage types. 

Methods

StorageQuota.queryInfo

Returns a StorageInfo object containting the current data usage and available quota information for the application.

StorageQuota.requestPersistentQuota

Requests persistent storage for the requesting application and returns a Promise to an instance of StorageInfo. There is no guarantee that the requested space will be granted by the user agent.

Specifications

Specification	Status	Comment
Quota Management APIThe definition of 'storageQuota' in that specification.	Obsolete	Initial definition.

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
StorageQuota Deprecated'	Chrome Full support 14	Edge Full support ≤79	Firefox ?	IE ?	Opera ?	Safari ?	WebView Android Full support 37	Chrome Android Full support 18	Firefox Android ?	Opera Android ?	Safari iOS ?	Samsung Internet Android Full support 1.0
queryInfo Deprecated'	Chrome Full support 14	Edge Full support ≤79	Firefox ?	IE ?	Opera ?	Safari ?	WebView Android Full support 37	Chrome Android Full support 18	Firefox Android ?	Opera Android ?	Safari iOS ?	Samsung Internet Android Full support 1.0
requestPersistentQuota Deprecated'	Chrome Full support 14	Edge Full support ≤79	Firefox ?	IE ?	Opera ?	Safari ?	WebView Android Full support 37	Chrome Android Full support 18	Firefox Android ?	Opera Android ?	Safari iOS ?	Samsung Internet Android Full support 1.0
supportedTypes Deprecated'	Chrome Full support 14	Edge Full support ≤79	Firefox ?	IE ?	Opera ?	Safari ?	WebView Android Full support 37	Chrome Android Full support 18	Firefox Android ?	Opera Android ?	Safari iOS ?	Samsung Internet Android Full support 1.0

Legend

Full support  

Full support

Compatibility unknown  

Compatibility unknown

Deprecated. Not for use in new websites.'

Deprecated. Not for use in new websites.

StorageQuota by Mozilla Contributors is licensed under CC-BY-SA 2.5.