How much data can LocalStorage hold?

Question

Each domain can store up to 5MB of data in LocalStorage. Also, our data isn't sent to the server when an HTTP request is made. Data in LocalStorage has no expiration time. It can be removed via JavaScript or by clearing the browser's cache. 19 сент. 2021 г.

How much data can local storage hold?

It is limited to about 5MB and can contain only strings. LocalStorage is not accessible from web workers or service workers.

What is the maximum size limit that LocalStorage allows?

Storage TypeMax SizeLocalStorage5MB per app per browser. According to the HTML5 spec, this limit can be increased by the user when needed; however, only a few browsers support thisSessionStorageLimited only by system memory

How long does LocalStorage data last?

LocalStorage has no expiration time, Data in the LocalStorage persist till the user manually delete it. This is the only difference between LocalStorage and SessionStorage.

Is it safe to store data in LocalStorage?

No. localStorage is accessible by any webpage, and if you have the key, you can change whatever data you want. That being said, if you can devise a way to safely encrypt the keys, it doesn't matter how you transfer the data, if you can contain the data within a closure, then the data is (somewhat) safe.

Expert · Answer

It is limited to about 5MB and can contain only strings. LocalStorage is not accessible from web workers or service workers.

Expert · Answer

Storage TypeMax SizeLocalStorage5MB per app per browser. According to the HTML5 spec, this limit can be increased by the user when needed; however, only a few browsers support thisSessionStorageLimited only by system memory

Expert · Answer

LocalStorage has no expiration time, Data in the LocalStorage persist till the user manually delete it. This is the only difference between LocalStorage and SessionStorage.

Expert · Answer

No. localStorage is accessible by any webpage, and if you have the key, you can change whatever data you want. That being said, if you can devise a way to safely encrypt the keys, it doesn't matter how you transfer the data, if you can contain the data within a closure, then the data is (somewhat) safe.

How much data can LocalStorage hold?