Is IndexedDB supported across all browsers? What about older versions?

Question

Shalini Passi · Answer

Yes, IndexedDB is supported in all modern browsers, but there are
some differences and limitations in older versions or
private modes.
Current Browser Support (2025)
Browser
IndexedDB Support
Chrome (all versions since 11)
Full support
Firefox (since v4)
Full support
Safari (since v10.1)
Full support, quirks exist
Edge (Chromium and Legacy)
Full support
Opera
Full support
Android WebView
Yes
iOS Safari
Yes, but limited before v13
Internet Explorer 10–11
Basic support, many limitations
Older Version Caveats
IE 10 and 11
IndexedDB is supported, but:
Only basic featuresNo support for Blob storageLess stable; crashes more frequentlyPoor error reporting
Safari (before v13)
Quirky behavior:
Private mode breaks IndexedDBindexedDB.open() may silently fail or throw QuotaExceededErrorData loss across sessionsAlways wrap logic in feature detection (see below).
Private/Incognito Mode Limitations
Browser
Behavior in Private Mode
Chrome
✅ Works normally
Firefox
✅ Works normally
Safari
⚠️ IndexedDB often disabled or fails silently
Edge
✅ Works normally
Feature Detection (Recommended Practice)
Before using IndexedDB, always check support:
if (!window.indexedDB) {
    alert("Your browser doesn't support a stable version of IndexedDB.");
} else {
    // Safe to proceed
}
Tips for Legacy Support
Strategy
Benefit
Use window.indexedDB check
Avoid crashes or unsupported errors
Use Promises or wrappers
Simplifies async error handling
Use localForage
A fallback wrapper that uses IndexedDB, WebSQL, or localStorage depending on support
Summary
Environment
Support
Notes
Modern browsers
Full
Chrome, Firefox, Edge, etc.
iOS Safari andlt; 13
Partial
Beware of private mode and quota issues
IE 10/11
Limited
Avoid for serious apps
Incognito mode
Varies
Safari blocks; Chrome/Firefox OK
and

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Is IndexedDB supported across all browsers? What about older versions?

Shalini Passi

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1 Answers

Current Browser Support (2025)

Older Version Caveats

IE 10 & 11

Safari (before v13)

Private/Incognito Mode Limitations

Feature Detection (Recommended Practice)

Tips for Legacy Support

Summary

Liked By

Browser	IndexedDB Support
Chrome (all versions since 11)	Full support
Firefox (since v4)	Full support
Safari (since v10.1)	Full support, quirks exist
Edge (Chromium & Legacy)	Full support
Opera	Full support
Android WebView	Yes
iOS Safari	Yes, but limited before v13
Internet Explorer 10–11	Basic support, many limitations

Browser	Behavior in Private Mode
Chrome	✅ Works normally
Firefox	✅ Works normally
Safari	⚠️ IndexedDB often disabled or fails silently
Edge	✅ Works normally

Strategy	Benefit
Use `window.indexedDB` check	Avoid crashes or unsupported errors
Use Promises or wrappers	Simplifies async error handling
Use localForage	A fallback wrapper that uses IndexedDB, WebSQL, or localStorage depending on support

Environment	Support	Notes
Modern browsers	Full	Chrome, Firefox, Edge, etc.
iOS Safari < 13	Partial	Beware of private mode & quota issues
IE 10/11	Limited	Avoid for serious apps
Incognito mode	Varies	Safari blocks; Chrome/Firefox OK