Join the Mozilla’s Test Days event from Dec 2–8 to test the new Firefox address bar on Firefox Beta 134 and get a chance to win Mozilla swag vouchers! 🎁

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Natao arisiva ity resaka mitohy ity. Mametraha fanontaniana azafady raha mila fanampiana.

What is the storage limitation for "indexDB" in Firefox 4?

  • 5 valiny
  • 10 manana an'ity olana ity
  • 1 view
  • Valiny farany nomen'i the-edmeister

more options

What is the storage limitation for "indexDB" in Firefox 4?

I need to know because I am writing an application with significant local storage requirements.

More then the 5 mb limit in the Local Storage API.

Your response is appreciated.

Thanks, David

'''What is the storage limitation for "indexDB" in Firefox 4?''' I need to know because I am writing an application with significant local storage requirements. More then the 5 mb limit in the Local Storage API. Your response is appreciated. Thanks, David

Vahaolana nofidina

If the user grants permission for a site to exceed the 50 MB IndexedDB quota, then as far as I know Firefox does not impose any more limits. The only limits on the size of the IndexedDB database will be the user's disk space and operating system.

The localStorage quota is 5000KB, and there is no way for a web site to ask the browser for permission to store more than that amount in localStorage.

Hamaky an'ity valiny ity @ sehatra 👍 2

All Replies (5)

more options

By default in Firefox 4, a site can use up to 50MB of IndexedDB storage. If it tries to use more than 50MB, Firefox will ask the user for permission: http://mxr.mozilla.org/mozilla-central/source/modules/libpref/src/init/all.js#101

In Firefox for mobile devices (Google Android and Nokia Maemo), Firefox will ask for permission if a site tries to use more than 5MB: http://mxr.mozilla.org/mozilla-central/source/mobile/app/mobile.js#571

more options

Thanks, this is great to know. A few more questions, if possible.

Will Firefox ask for permission if a site tries to use more than 5MB of "LocalStorage API"? Or is LocalStorage API strictly restricted to 5MB?

What are the maximum limits of local storage and indexDB storage, after getting all the permissions ? Can I put 4 gig in localstorage? in indexDB?

Thanks again for the great info! David

more options

Vahaolana Nofidina

If the user grants permission for a site to exceed the 50 MB IndexedDB quota, then as far as I know Firefox does not impose any more limits. The only limits on the size of the IndexedDB database will be the user's disk space and operating system.

The localStorage quota is 5000KB, and there is no way for a web site to ask the browser for permission to store more than that amount in localStorage.

more options

Hello, I'm using indexedDB, and when store more then 50mb, after that can't delete or clear that object store, just got an error without any more information why is error ocured.

more options

neemanjabuge started a thread here:
https://support.mozilla.com/en-US/questions/837358