The High-Performance Developer & Recon Toolkit
Zero ads. Zero tracking. Instant client-side processing for JSON inspection, screen caliper measurement, passive domain intelligence, and live deal hunting.
JSON Studio
Inspect, format, validate, and query JSON with an interactive collapsible tree and deep path copy.
Screen Ruler & Caliper
Pixel-perfect measuring overlay and canvas caliper. Drop UI mockups, measure dimensions, angles & aspect ratios.
Subdomain Scout
Passive DNS & Certificate Transparency reconnaissance to discover all subdomains of any target URL.
Deal Radar
Live internet deal aggregator scouring tech hardware, PC components, and gaming bargains in real time.
JWT Inspector
Decode and inspect JSON Web Tokens locally without sending your secret payload over the wire.
Diff & Text Compare
Side-by-side and inline syntax diff checker for code, configs, and raw text with instant copy.
100% Client-Side Privacy
Sensitive JSON structures and tokens never leave your browser window. All parsing happens locally.
Zero CORS Headaches
Passive recon and deal feeds leverage optimized Next.js serverless route proxies to bypass browser blocking.
Production Subdomain
Tailored for utils.anuraaggrao.com with turnkey Firebase user persistence readiness.