DevToolKit Pro

DevToolKit Pro

Formatters

JSON Formatter
Markdown Preview
CSS/JS Minifier
SQL Formatter

Encoders

Base64 Encode/Decode
URL Encode/Decode

Generators

UUID Generator
Lorem Ipsum Generator
QR Code Generator
Password Generator

Crypto

Hash Generator
JWT Decoder

Design

Color Converter

Testers

Regex Tester
Diff Checker
Word Counter

Converters

Timestamp Converter
cURL Converter

Commercial License

Get Source Code →

18+ tools • Next.js 16 • $19

100% Client-Side

Get Source ($19)

Color Converter

Pick a Color

HEX

RGB

HSL

18+ privacy-first, zero-latency developer utilities running 100% locally in your browser. No server calls, no telemetry, no tracking.

Currency & Region

100% Client-Side Instant Execution

Formatters & Encoders

JSON Formatter
SQL Formatter
Base64 Encode/Decode
URL Encoder / Decoder
JWT Token Decoder
cURL to Code Converter

Generators & Analysis

UUID Generator
Hash Generator (SHA-256)
QR Code Generator
Regex Tester
Text & Code Diff Checker
Color Converter (HEX/RGB)

Product & License

Get Source Code License
Why DevToolKit Pro
Privacy Policy
Terms of Service & License

© 2026 DevToolKit Pro. Built for modern software engineers.

Crafted with Next.js 16, React 19 & Tailwind CSS v4