Free Online Tools
Fast, free, and private. No signup required. All tools run entirely in your browser.
Markdown to HTML Converter
Convert Markdown to HTML instantly with live preview. Free online tool for developers, bloggers, and writers.
Developer ToolsStrong Password Generator
Generate secure, random passwords with customizable length and character options. Free online password generator with strength meter.
Security ToolsBMI Calculator - Body Mass Index
Calculate your Body Mass Index (BMI) instantly. Free online BMI calculator with health categories and weight status.
Health ToolsPercentage Calculator
Calculate percentages instantly. Free online percentage calculator for discounts, tips, taxes, scores, and more.
Math ToolsAge Calculator
Calculate your exact age from birthdate instantly. Free online age calculator with years, months, days and detailed statistics.
Math ToolsColor Converter (HEX/RGB/HSL)
Convert colors between HEX, RGB, and HSL formats instantly. Free online color converter for designers and developers.
Developer ToolsUnit Converter
Convert units instantly - length, weight, temperature, volume, area, speed, and more. Free online unit converter for everyday use.
Math ToolsQR Code Generator
Generate custom QR codes instantly for URLs, text, WiFi, emails, and more. Free online QR code creator with download option.
UtilitiesUUID/GUID Generator & Validator
Generate UUIDs (v1, v3, v4, v5) and validate UUID formats. Free online UUID generator for developers with batch generation.
Developer Tools