Free Developer & Architecture Suite Curated Suite of Engineering Tools.
In-browser utilities for software architects, startup CTOs, and developers: ROI break-even calculators, JSON studio, security readiness audits, and WCAG accessibility tools ā 100% free, private & no signup needed.
Build vs Buy Break-Even Calculator
Compare custom internal software engineering against recurring SaaS subscription bills and find your exact financial break-even month.
JSON Formatter & Validator
Paste raw, minified, or broken JSON payloads. Format with 2/4 space indentation, validate schema, and highlight line syntax errors instantly.
Color Contrast Checker (WCAG)
Test foreground text against background colors to calculate precise contrast ratios and ensure WCAG 2.1 AA & AAA compliance for UI accessibility.
QR Code Generator
Generate clean, scannable high-resolution QR codes for websites, WiFi credentials, contact vCards, or app deep-links with instant download.
Security & Vulnerability Scorecard
Run an interactive 10-point cloud & API security readiness audit: SSL, CSP headers, token rotation, database encryption, and CORS configuration.
SEO Health & Metadata Inspector
Verify crucial on-page SEO factors: title lengths, meta descriptions, OpenGraph social cards, canonical references, and heading structure.
Startup Idea Fundability Scorecard
Evaluate your product thesis across market size, moat, technical feasibility, and monetization potential to calculate a 100-point fundability index.
Technology Trend Radar 2026
Explore CodeCurious's interactive 2026 technology quadrant: categorized across Adopt, Trial, Assess, and Hold for frontend, backend, and AI.
Mobile UX & Touch Target Tester
Audit minimum 48x48px tap targets, responsive font scales, safe area insets for iOS notch, and viewport meta tag best practices.
Live Responsive Website Checker
Test any live URL or website inside realistic dummy device screens: iPhone 16 Pro, Galaxy S24, iPad Pro, and MacBook with dynamic rotation & zoom.
Website Speed & Core Web Vitals Studio
Analyze any website URL for Google Core Web Vitals (LCP, CLS, TTFB), asset weight breakdown, server compression, and instant code optimization fixes.
CSS Glassmorphism & Neon Aurora Studio
Interactive visual frosted glass and glowing mesh generator with real-time blur sliders, specular highlight borders, and 1-click Vanilla/Tailwind export.
Mobile App Icon & Splash Asset Pack
Upload 1 high-res image and automatically generate all iOS App Store sizes, Android Adaptive icons (mdpi to xxxhdpi), and Web Favicons in a 1-click bundle.
Social Card & OpenGraph (OG) Preview
Preview how your webpage links look when shared on Twitter/X, LinkedIn, WhatsApp, and Discord with automated meta tag generation and aspect ratio checks.
In-Browser API & Webhook Live Tester
Zero-install browser HTTP REST client. Send GET, POST, PUT, and DELETE calls with custom auth headers, body payloads, latency timers, and curl export.
Visual RegEx Builder & Live Debugger
Interactive regular expression debugger with real-time colorized match highlighting, capture group inspectors, plain-English explanations, and cheat sheet presets.