Free Online Tools

35+ tools that run in your browser. No signup, no download, 100% private.

🛠️ Calculators

🏠
Mortgage Calculator
Monthly payments & amortization
🎂
Age Calculator
Exact age in years, months, days
📊
BMI Calculator
Healthy weight range check
%
Percentage Calculator
Percent of, change, increase
💱
Currency Converter
Real-time exchange rates
📐
Unit Converter
Length, weight, temp, volume

⚡ Productivity

📱
QR Code Generator
Create QR codes, download PNG
🔑
Password Generator
Strong random passwords
📝
Word Counter
Count words, chars, reading time
⌨️
Typing Test
Test WPM speed & accuracy
🔊
Text to Speech
Convert text to audio
⏳
Countdown Timer
Count down to any date
⏱️
Stopwatch
Precision timer with laps

💻 Developer Tools

{}
JSON Formatter
Beautify, minify, validate
⏱️
Timestamp Converter
Unix epoch to date
🐧
Linux Commands
200+ commands cheat sheet

🖼️ Image Tools

📐
Image Resizer
Resize, compress, convert
💻
ASCII Art
Image to text art converter
🎨
Color Tool
HEX/RGB/HSL, gradients

🎲 Fun Tools

🎲
Random Number
Pick random numbers
🎡
Wheel Spinner
Random decision maker

35+ Free Online Tools — No Signup, No Download

Welcome to our collection of 35+ free online tools. Every tool runs entirely in your browser using JavaScript — no downloads, no signups, no data collection. Whether you need a calculator, converter, generator, or developer utility, you'll find it here. All tools are optimized for speed and work on desktop, tablet, and mobile devices.

Calculators for Everyday Needs

Our calculator collection includes mortgage calculator for home buyers, BMI calculator for health tracking, age calculator for exact age in years/months/days, percentage calculator for quick math, currency converter with real-time exchange rates for 150+ currencies, and unit converter for length, weight, temperature, area, volume, and speed.

Productivity Tools

Boost your productivity with QR code generator, password generator for secure passwords, word counter for writers, typing test to measure WPM, text to speech for audio conversion, countdown timer for events, and stopwatch with millisecond precision and lap timing.

Developer Tools

Built by developers, for developers: JSON formatter and validator with syntax highlighting and tree view, Unix timestamp converter for epoch time conversion, and a Linux commands cheat sheet with 200+ commands searchable by category.

100% Private — Your Data Stays in Your Browser

Unlike many online tools that send your data to a server, all our tools process data locally in your browser. Your calculations, text, passwords, and images never leave your device. This makes our tools safe for sensitive data and fast to use — no waiting for server round-trips.