About N4R (n4r.org)

N4R is an independent, global developer portal engineered for high performance, privacy, and technical accuracy.

Ultra-Fast & Free

All 42+ developer utilities on N4R are completely free, lightweight, and optimized for instant client-side execution.

Privacy First

Your data stays yours. Code formatting, hashing, and JSON manipulation happen strictly inside your web browser.

Comprehensive Stack Audits

Our permanent website technology scanner inspects real-world tech stacks, frameworks, CMS platforms, and web servers.

What is N4R (n4r.org)?

N4R (short for n4r.org) is an all-in-one developer workspace designed to streamline everyday software development tasks. Whether you need to format raw JSON, run a live DNS diagnostic, scan a website technology stack, audit SEO performance, or verify SSL certificates, N4R provides instant, serverless tools without requiring sign-up or paywalls.

Core Tools & Services

  • Website Technology Scanner: Detect CMS platforms (WordPress, Shopify, WHMCS), web servers (Nginx, LiteSpeed, Cloudflare), and frameworks (Laravel, React, Next.js).
  • JSON Formatter & Validator: Prettify, validate, and minify complex JSON structures.
  • DNS & WHOIS Lookup: Check domain A, MX, NS, TXT records and ownership details.
  • Subdomain & Port Checker: Diagnose network open ports and discover public subdomains.