Flutter Tools & UI Builder Pro vs FlutterNinjas

Flutter Tools is the ultimate toolkit for Flutter developers — 34+ tools in one beautiful app. DESIGN TOOLS • Gradient Generator — Linear, radial, sweep, and shimmer gradients • Box Decoration Editor — Borders, shadows, radius, and backgrounds • Glassmorphism Generator — Create frosted glass UI effects • Color Palette — Material & Tailwind color palettes with shades COLOR TOOLS • Color Shade Generator — Generate light/dark variants • Color Converter — HEX ↔ RGBA ↔ HSL with live preview CODE TOOLS • JSON to Dart — Convert JSON to typed Dart classes • Snippet Generator — Reusable Flutter code snippets • Base64 Encoder/Decoder — Encode and decode Base64 • Regex Tester — Test and validate regular expressions • Code Formatter — Format Dart code with style options • Lorem Ipsum Generator — Generate placeholder text UI TOOLS • Widget Preview — Preview Material widgets with customizable props • Container Editor — Visual container/styled box editor • Icon Search — Browse and preview all Material & Cupertino icons • Responsive Checker — Test layouts at multiple screen sizes • Animation Curve — Visualize and preview Flutter animation curves ASSET TOOLS • Assets Generator — Generate app icons and splash screens • Package Checker — Check dependencies for updates and security REFERENCE TOOLS • Widget Catalog — Material 3 widget reference with properties & code • Package Explorer — Explore pub.dev packages with install instructions • Dart API Reference — Dart SDK classes, methods, and constructors • State Management Comparison — Compare Riverpod, Provider, Bloc, GetX • Animation Reference — Flutter curves, controllers, and tweens • Git Cheat Sheet — Common Git commands with one-tap copy LEARNING TOOLS • Learning Paths — Structured Flutter learning paths from beginner to advanced • Flutter Roadmap — Interactive roadmap to becoming a Flutter developer • Snippet Library — Curated Flutter code snippets with step-by-step guides • Concept Visualizer — Interactive visualizations of Widget Tree, BuildContext, Constraints UTILITIES • Layout Solver — Detect layout issues and get fix suggestions • Color Accessibility Checker — WCAG contrast compliance checker • Asset Optimizer — Generate pubspec.yaml asset configurations • Release Checklist — Pre-launch checklist for iOS • i18n Manager — Manage localization across EN, ZH, ZH-Hant PRO FEATURES • Remove all ads • Unlock all 30+ tools • Priority access to new tools • Cloud sync your settings • Export & share projects • All future tools included

FlutterNinjas is the Flutter conference for English speakers in Japan. Since Japanese events usually take place in Japanese language, this event is using English and aiming to interact between Japanese and other Flutter communities.