Free Online Developer Tools

GetDevUtils is a free suite of browser-based developer tools: JSON formatter, JWT decoder, cron expression generator, regex tester, Unix timestamp converter, SQL formatter, Base64 and hash utilities. Everything runs locally, with no sign-up and no uploads.

Featured Developer Tools

JSON Lab - Online JSON formatter, validator, and AI-powered schema validator
JWT Debugger - Decode and inspect JSON Web Tokens securely
Cron Master - AI-powered cron expression generator and validator
SQL Beautifier - Format and beautify SQL queries online
RegEx Lab - Interactive regular expression tester with AI explanation
Time Machine - Unix timestamp converter and timezone calculator
Hash Master - Generate cryptographic hashes (MD5, SHA-256, SHA-512)
API Architect - Convert cURL commands to code
Mock Data AI - AI-powered mock data generator
YAML Lab - YAML formatter, validator, and JSON converter

Free Online Developer Tools for Modern Engineering

GetDevUtils is a comprehensive suite of free developer tools designed for modern software engineers, web developers, and DevOps professionals. Our collection of online utilities helps you format, validate, convert, and analyze data instantly — all within your browser, with no installation required. Every tool is built with a privacy-first, local-processing approach, ensuring your sensitive data never leaves your device.

Whether you're debugging authentication tokens, formatting JSON responses, converting timestamps, or generating secure passwords, GetDevUtils provides professional-grade tools that work offline, respect your privacy, and integrate seamlessly into your development workflow.

Complete Developer Toolkit

GetDevUtils provides specialized tools across five categories to cover every aspect of modern web development:

Security & Authentication: JWT Debugger, JWT Verifier, Password Strength Checker, Hash Generator, Base64 Encoder/Decoder, UUID Generator
Data Format & Conversion: JSON Formatter, XML to JSON Converter, YAML Formatter, CSV Toolkit, SQL Formatter, Diff Checker
Text & String Manipulation: String Transformer, Markdown Preview, Regex Tester, Regex Generator, HTML Sanitizer, Minify Tool
Time & Date: Unix Timestamp Converter, Cron Expression Builder, Timezone Converter
AI & Development: AI Dev Assistant, Mock Data Generator, API Documentation Builder, Color Palette Generator, QR Code Generator, URL Parser

Why Choose GetDevUtils?

Local-First - Formatting, decoding, hashing and conversion run in your browser. That data is not uploaded.
Optional AI - AI features (code generation, repair, explanations, Magic Detection) send the text you submit to Google's Gemini API. They only run when you use them.
Privacy-Focused - No accounts and no server uploads for the local tools. We use Google Analytics for anonymous page-view statistics.
Always Free - Full access to all tools with no subscriptions or paywalls.

JavaScript Required: GetDevUtils requires JavaScript to be enabled for the interactive tools to work. Please enable JavaScript in your browser settings.