Developer Tools
Code, JSON, crypto & conversions — all free, no signup, runs in your browser.
JSON → TypeBox
Convert JSON objects to TypeBox schemas instantly. Supports nested objects & arrays.
Code Formatter
Format & beautify HTML, CSS, JavaScript, TypeScript, JSON & more.
Color Converter
Convert between HEX, RGB, HSL, OKLCH & CSS color formats instantly.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from any text or file.
JWT Debugger
Decode and inspect JWT tokens. View header, payload, claims & expiry. 100% client-side.
Password Generator
Generate cryptographically secure passwords with entropy scoring and bulk generation.
JSON → Zod & TypeBox
Convert JSON to Zod or TypeBox schemas. Smart type inference: email, UUID, datetime, nested objects & unions.
QR Code Generator
Generate custom QR codes for URLs, WiFi, email, phone, SMS & text. Custom colors, instant PNG download.
Case Converter
Convert text between 13 formats: UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case & more.
Why Use Our Developer Tools?
⚡ Instant & Local
All processing runs entirely in your browser. No data leaves your machine — perfect for sensitive code, API keys, or proprietary JSON schemas.
🛠 TypeScript First
Our JSON → TypeBox converter generates type-safe schemas compatible with Fastify, tRPC, and any TypeBox-aware runtime out of the box.
🎨 CSS Color Formats
Convert colors between HEX, RGB, HSL, and the modern OKLCH format used by Tailwind CSS v4 and CSS Color Level 4 spec.
🔒 Cryptographic Hashing
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes using the WebCrypto API. Useful for checksums, integrity verification, and security audits.