JSON Formatter & Validator
Format, validate, and minify JSON instantly. Free online JSON tool for developers with syntax highlighting and error detection.
More Free Tools
Markdown to HTML Converter
Convert Markdown to HTML instantly with live preview. Free online tool for developers, bloggers, and writers.
Strong Password Generator
Generate secure, random passwords with customizable length and character options. Free online password generator with strength meter.
BMI Calculator - Body Mass Index
Calculate your Body Mass Index (BMI) instantly. Free online BMI calculator with health categories and weight status.
Percentage Calculator
Calculate percentages instantly. Free online percentage calculator for discounts, tips, taxes, scores, and more.
Age Calculator
Calculate your exact age from birthdate instantly. Free online age calculator with years, months, days and detailed statistics.
Color Converter (HEX/RGB/HSL)
Convert colors between HEX, RGB, and HSL formats instantly. Free online color converter for designers and developers.
Unit Converter
Convert units instantly - length, weight, temperature, volume, area, speed, and more. Free online unit converter for everyday use.
QR Code Generator
Generate custom QR codes instantly for URLs, text, WiFi, emails, and more. Free online QR code creator with download option.
Hash Generator (MD5/SHA-1/SHA-256/SHA-512)
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) instantly. Free online hash generator for developers and security professionals.
UUID/GUID Generator & Validator
Generate UUIDs (v1, v3, v4, v5) and validate UUID formats. Free online UUID generator for developers with batch generation.
Time Zone Converter - World Clock
Convert time between time zones instantly. Free online world clock and time zone converter for global meetings and travel planning.
Word & Character Counter - Text Analyzer
Count words, characters, paragraphs, and sentences in real-time. Perfect for writers, students, and content creators.
Base64 Encoder/Decoder
Encode or decode Base64 data instantly. Free online Base64 converter for developers with URL-safe and line-wrap options.