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 & 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 & 11 IndexedDB is supported, but: Only basic features No support for Blob storage Less stable; crashes more frequently Poor error reporting Safari (before v13) Quirky behavior: Private mode breaks IndexedDB indexedDB.open() may silently fail or throw QuotaExceededError Data loss across sessions Always 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: 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 < 13 Partial Beware of private mode & quota issues IE 10/11 Limited Avoid for serious apps Incognito mode Varies Safari blocks; Chrome/Firefox OK
Current Browser Support (2025)
Older Version Caveats
IE 10 & 11
IndexedDB is supported, but:
Safari (before v13)
Quirky behavior:
indexedDB.open()may silently fail or throwQuotaExceededErrorPrivate/Incognito Mode Limitations
Feature Detection (Recommended Practice)
Before using IndexedDB, always check support:
Tips for Legacy Support
window.indexedDBcheckSummary