Webmaster & Developer Utility Suite
Production-grade developer tools for modern web engineering. Generate meta tags, debug JWTs, verify CORS headers, calculate fluid typography, and transpile schemas.
Social Card & Open Graph Previewer
Preview how URLs and meta tags render across Twitter/X, Facebook, LinkedIn, and Discord.
Structured Data / JSON-LD Schema Builder
Visual schema builder producing validated JSON-LD for rich snippets, FAQs, and products.
XML Sitemap & Robots Tag Builder
Generate standards-compliant XML sitemaps and index directive tags for search consoles.
Canonical URL & Hreflang Tag Builder
Generate multi-language and internationalization alternate tags to avoid duplicate content.
Redirect Rule Generator
Generate pre-configured redirect rules for NGINX, Cloudflare Page Rules, and Apache .htaccess.
CSP (Content-Security-Policy) Builder
Interactively construct strict Content-Security-Policy headers with script-src, nonces, and reporting.
JWT Debugger & Claims Inspector
Parse and inspect JSON Web Tokens in-browser to view decoded header, payload claims, and expiration status.
CORS Header Tester & Preflight Simulator
Simulate browser preflight OPTIONS requests to validate Access-Control-Allow-Origin, Headers, and Credentials.
MD5, SHA & Base64 Hash Generator
Cryptographic hashing with SHA-256, SHA-512, SHA-1, MD5 (RFC 1321), and Base64.
SSL / TLS Certificate & Cipher Checker
Tests certificate chains, expiration countdowns, SAN domains, and TLS 1.3 cipher suite support.
Fluid Typography & Clamp Calculator
Compute responsive CSS clamp(min, preferred, max) formulas based on viewport boundaries.
Color Palette & WCAG Contrast Checker
Evaluate WCAG 2.1 AA and AAA contrast ratios for normal, large text, and interactive UI components.
Modern CSS Generators (Shadows, Glass, Gradients & Clip-Path)
Interactive sliders for layered smooth box-shadows, multi-stop gradients, glassmorphism, and clip-path polygon shapes.
SVG Optimizer & Clean React/JSX Converter
Strips redundant XML metadata, comments, and IDs from SVG code, or converts SVG into clean React/JSX icon components.
JSON to TypeScript, Go & Rust Converter
Transforms raw JSON payloads directly into TypeScript interfaces, Go structs, or Rust structs.
Format Transpiler (JSON / YAML / CSV / XML)
Bi-directional format transpiler converting between JSON, YAML, CSV, and XML with syntax validation.
Encoding & Decoding Suite
Instant conversions for Base64, URL encoding, HTML entities, and Hex strings.
JSON Visual Inspector & Tree Graph
Explore complex nested JSON payloads with interactive collapsible tree views and path copy.
Regex Tester & Token Explainer
Interactive regular expression parser highlighting capture groups, match indices, and flags.
Cron Expression Parser & Schedule Projector
Human-readable schedule translator with projection of the next 5 execution timestamps.
cURL to Fetch, Axios & Python Converter
Converts terminal cURL commands into native JavaScript fetch, Axios, or Python requests code.
UUID / ULID / NanoID Batch Generator
Batch generation of cryptographically secure v4 UUIDs, sortable ULIDs, and lightweight NanoIDs.
IPv4 & CIDR Subnet Calculator
Computes broadcast addresses, netmasks, usable host ranges, and wildcard masks from CIDR notation.
Test your entire website autonomously with RazeQA
Don't just debug one header or tag at a time. Run synthetic browser journeys with Playwright, visual regressions, and forensic video playback on every pull request.