Free Online ToolsFor Everyday Tasks
Generate passwords, create QR codes, calculate age, calculate BMI, convert units, format JSON, convert text cases, and more — all for free, directly in your browser.
📦 11
Tools Available
💯 100%
Free To Use
🚫 0
Sign-Ups Required
♾️
Unlimited Usage
Featured Tools
Our most popular and powerful tools.
Password Generator
Create strong and secure passwords with customizable options.
BMI Calculator
Calculate BMI, healthy weight range, and calorie estimates.
Unit Converter
Convert length, weight, temperature, data, and more instantly.
UUID Generator
Generate UUID v4 identifiers individually or in bulk.
Base64 Encoder / Decoder
Encode and decode Base64 text instantly.
Percentage Calculator
Calculate percentages, increases, decreases and differences instantly.
Color Converter
Convert HEX, RGB and HSL colors instantly with live previews.
Available Tools (11)
Simple tools built to solve everyday problems.
Password Generator
Create strong and secure passwords with customizable options.
QR Code Generator
Generate QR codes instantly for URLs, text, and more.
Age Calculator
Calculate your exact age in years, months, and days.
BMI Calculator
Calculate BMI, healthy weight range, and calorie estimates.
Unit Converter
Convert length, weight, temperature, data, and more instantly.
JSON Formatter
Format, validate, beautify, and minify JSON data instantly.
Text Case Converter
Convert text between uppercase, lowercase, title case, camelCase, snake_case, and more.
UUID Generator
Generate UUID v4 identifiers individually or in bulk.
Base64 Encoder / Decoder
Encode and decode Base64 text instantly.
Percentage Calculator
Calculate percentages, increases, decreases and differences instantly.
Color Converter
Convert HEX, RGB and HSL colors instantly with live previews.
Why Smart Tools?
🔒 Privacy First
Most tools work entirely in your browser. Your data never leaves your device.
⚡ Fast & Lightweight
No unnecessary complexity. Open a tool, use it instantly, and move on.
💯 Free Forever
Every tool on Smart Tools is completely free to use without registration.
Free Online Utilities for Everyday Tasks
Smart Tools provides a growing collection of free online utilities designed to help with everyday tasks.
Generate secure passwords, create QR codes, calculate age, calculate BMI, convert units, format JSON, convert text cases, generate UUIDs, encode and decode Base64, calculate percentages, and more.
Every tool is fast, mobile-friendly, privacy-focused, and completely free to use.
New Tools
Recently added tools on Smart Tools.
UUID Generator
Generate UUID v4 identifiers individually or in bulk.
Base64 Encoder / Decoder
Encode and decode Base64 text instantly.
Percentage Calculator
Calculate percentages, increases, decreases and differences instantly.
Color Converter
Convert HEX, RGB and HSL colors instantly with live previews.
Growing Collection of Tools
Smart Tools is continuously expanding with new utilities, calculators, and developer tools.