Developer Tools

🔢 Number Base Converter

Convert between Binary, Octal, Decimal, and Hexadecimal instantly with step-by-step breakdown.

🎨 Color Picker & Converter

Convert colors between HEX, RGB, RGBA, HSL, HSV, and CMYK with a live visual preview.

📋 JSON Formatter & Validator

Format, prettify, minify, and validate JSON with syntax highlighting and error detection.

📝 Lorem Ipsum Generator

Generate placeholder text by paragraphs, sentences, or words — with HTML wrap option.

📐 PX ↔ REM Converter

Convert between pixels, rem, em, vw, and vh units with a custom base font size.

🔍 Regex Tester

Test regular expressions with live match highlighting, flags selector, and match details.

🔐 Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text string instantly.

📊 Word & Character Counter

Count words, characters, sentences, paragraphs, and estimated reading time in real time.

⏱ Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates with timezone support.

🔗 URL Encoder & Decoder

Safely encode and decode URLs and URI components with query string parsing.

📦 Base64 Encoder & Decoder

Encode and decode text or images to Base64 format with data URI support.

🆔 UUID Generator

Generate secure, random Version 4 UUIDs (GUIDs) in bulk for your development needs.

📱 QR Code Generator

Instantly generate high-quality QR codes for URLs and text with custom size options.

🔑 JWT Decoder

Decode and debug JSON Web Tokens (JWT) to view their header and payload claims instantly.

📝 Markdown Previewer

Write and preview Markdown in real-time. Export and copy clean HTML for your web projects.

📄 HTML Entity Converter

Encode special characters to HTML entities and decode them back to plain text for safe web coding.

🔡 String Case Converter

Convert strings between camelCase, snake_case, PascalCase, and more conventions instantly.

🗃 SQL Formatter

Beautify and format messy SQL queries for better readability and easier debugging.

⚙️ Cron Job Generator

Generate crontab schedule expressions easily with presets and human-readable descriptions.