Free developer tools for JSON, EDI,
APIs, and data transformation.
Beautify EDI (834, 837), format JSON, decode JWT, test APIs — and learn with tutorials and real-world examples.
Developer Tools
Essential utilities for high-fidelity engineering.
JSON Lint
Validate and format JSON with instant error reporting.
Open Tool arrow_forwardBase64 Encode/Decode
Encode and decode Base64 strings instantly.
Open Tool arrow_forwardJWT Decoder
Decode and inspect JSON Web Tokens.
Open Tool arrow_forwardJS Formatter
Prettify compressed JavaScript code.
Open Tool arrow_forwardSQL Formatter
Format SQL queries with keyword capitalization.
Open Tool arrow_forwardRegex Tester
Test regular expressions with live highlighting.
Open Tool arrow_forwardEDI Beautifier
Parse and format EDI 834/837/835/270/271 files.
Open Tool arrow_forwardREST Client
Test API endpoints with custom requests.
Open Tool arrow_forwardCodebin
Paste and share code with syntax highlighting.
Open Tool arrow_forwardLaps
Structured learning paths from beginner to advanced.
Python Programming
20 steps
JavaScript Programming
20 steps
PHP Programming
16 steps
Go Programming
15 steps
Laravel Framework
15 steps
React Development
15 steps
SQL & Databases
15 steps
HTML & CSS
15 steps
TypeScript Programming
18 steps
Vue.js Development
15 steps
Next.js Development
15 steps
Tech News
Stay ahead with the latest in tech.
Why ChatGPT Fails as an Interview Tutor (And How I Built a Better One with Claude Code)
AI coding assistants are creating mass dependency and we're pretending it's productivity
Building a Python Script or Automation Tool? Let's Fix Your Backend Bugs.
Inference Theft Is the New AI App Security Bug: How to Protect Your LLM Endpoints
DaloyJS Is the Latest Modern Enterprise TypeScript Framework, and It Has Your Back on Security
From ASP.NET + MSSQL to PHP + MySQL: Migrating a Names Site Without Mangling the Accents
Tutorials
Level up your development skills.