Developer Things: Dev Tools

Developer Things — Android Developer Tools & APK Analyzer

Developer Things is an all-in-one Android developer toolkit for developers, QA engineers, testers, security researchers, and Android enthusiasts.

Analyze APKs, explore DEX files, test APIs and deep links, inspect Android apps, debug WebViews, preview Lottie animations, analyze permissions, measure UI layouts, view device information, and access useful Android developer settings — all from one app.

🔧 APK Analyzer & APK Extractor

Analyze installed Android apps and APK files without root.

• Extract APK files from installed apps
• Explore APK contents and resources
• View AndroidManifest.xml
• Inspect activities, services, receivers, providers, permissions and certificates
• Detect frameworks and libraries such as Kotlin, Flutter, Jetpack Compose, React Native, Firebase, ML Kit, AdMob and more
• Explore XML, JSON, Java, PNG, HTML, Proto, TTF, MP3, MP4, DB and other files
• Search files and contents quickly

🔍 DEX Explorer

Explore Android DEX files directly from APKs.

• Browse classes.dex, classes2.dex and other DEX files
• Navigate packages, classes, methods and fields
• Search classes, methods, fields and strings
• Inspect DEX structure for Android app analysis and reverse engineering

🔗 Deep Link Tester

Test Android deep links and app navigation directly from your device.

• Launch URI and intent-based deep links
• Test app routing and navigation
• Quickly validate deep link behavior

🌐 API Tester

Test REST APIs from your Android device.

• GET, POST, PUT, PATCH and DELETE
• Custom request headers
• Inspect HTTP status codes and response bodies
• Debug API requests without another tool

🧪 Mock API Server

Turn your Android device into a lightweight mock API server for testing applications when a real backend is unavailable.

🌐 WebView Playground

Test and debug Android WebViews by loading websites and local HTML files. Test JavaScript, cookies, storage and WebView behavior.

🎬 Lottie Playground

Preview Lottie animations directly on Android. Open local Lottie JSON files or load animations from URLs.

🔐 Permission Analyzer

Inspect permissions requested by Android applications, including camera, location, microphone, contacts, SMS, storage and other sensitive permissions.

📱 App & Device Tools

Explore installed applications and detailed Android device information including Android version, device model, CPU, ABI, RAM, storage, display, density, battery and hardware details.

📊 App Categorizer

Analyze applications by framework, Gradle version, min SDK, target SDK, compile SDK, APK/AAB format, installer source and signature scheme.

📏 Android UI Tools

Useful tools for Android UI development and testing, including pixel ruler, DP ↔ PX converter, grid, overlays and screen measurement.

⚙️ Android Developer Settings

Quickly access 50+ Android system settings, including Developer Options, ADB settings, app permissions, notifications, battery optimization, accessibility, NFC, Bluetooth, Wi-Fi, display, sound and storage.

🚀 Built for Android Developers

Developer Things brings APK analysis, APK extraction, DEX exploration, API testing, deep link testing, WebView debugging, Lottie preview, device information and Android development utilities into one powerful toolkit.

No root required for most features.

Whether you develop, test, debug, analyze or explore Android applications, Developer Things gives you the tools you need in one place.