UD5 Toolkit
Offline Bible Verse Finder – Online Search & Copy
Type a reference (John 3:16) and get the text from a cached King James Version. Works fully offline after first load.
Tag: Offline-Ready Web Tools
8+ toolsContent Indexing API Demo - Online Show in System Launcher
Add web content to the device’s content index (like Google Discover). See the indexed items and delete them.
Offline Page Detector - Online See Cached Content
Check if the current page can be loaded offline by examining the service worker cache. Developer tool for PWAs.
Service Worker Cache Strategy Tester - Online Simulator
Simulate different cache strategies (Cache First, Network First, Stale‑While‑Revalidate) and see responses. Learn offline patterns.
Offline Capability Checker - Online Test PWA Readiness
Check if your site has a service worker registered and if it can load offline. Quick PWA readiness assessment.
Cache Storage Viewer - Online Inspect PWA Cache
Explore the contents of the Cache Storage API for your domain. See cached requests and their sizes. Debug offline apps.
Background Sync API Tester - Online Offline Queue
Register a one‑off background sync and see it fire when connectivity returns. Debug service worker sync logic.
Currency Converter - Online Exchange Rate (Manual Update)
Convert between currencies using manually updated or default rates. Great for estimation when offline. Local settings.