Free Online Tools
Simple, fast, and mobile-friendly tools for everyday needs
Featured Tools
✨ Code Beautifier
Format and beautify JSON, HTML, CSS, JavaScript, Python, PHP.
🌍 World Time
Check current time in any city or timezone worldwide.
🔐 Password Generator
Create strong, secure random passwords with strength meter.
🎂 Age Calculator
Calculate exact age with zodiac signs and Chinese zodiac.
⚕️ BMI Calculator
Calculate your Body Mass Index and healthy weight range.
📊 Percentage Calculator
Calculate percentages, discounts, tips, and percentage change.
📏 Unit Converter
Convert length, weight, temperature, area, speed, time, and pixels.
📱 QR Code Generator
Create QR codes for text, WiFi, email, phone, SMS, and maps.
📝 Word Counter
Count words, characters, sentences, and reading time.
Why Choose robi.ink?
Fast & Simple
No registration needed. Results appear instantly.
Mobile Friendly
Works perfectly on all devices - phone, tablet, or desktop.
100% Free
No hidden fees, no premium tiers. Always free.
Accurate
Precision calculations you can trust.
All Tools
✨ Code Beautifier
Format and beautify JSON, HTML, CSS, JavaScript, Python, PHP.
🌍 World Time
Check current time in any city or timezone worldwide.
🔐 Password Generator
Strong random passwords with strength meter.
🎂 Age Calculator
Exact age, next birthday, Western & Chinese zodiac.
⚕️ BMI Calculator
Body Mass Index with healthy weight range.
📊 Percentage Calculator
Discounts, tips, tax, and percentage change.
📏 Unit Converter
9 categories: Length, Weight, Temperature, Area, Speed, Time, Digital, Pixel.
📱 QR Code Generator
Text, WiFi, email, phone, SMS, maps.
📝 Word Counter
Words, characters, sentences, reading time.
📢 Just added: 🌍 World Time - Check current time in any city worldwide! Also: Code Beautifier for JSON/HTML/CSS/JS.
Free Online Tools for Everyday Needs
robi.ink provides a collection of free, easy-to-use online tools to help with everyday tasks. Whether you need to generate a strong password, calculate your exact age, check your BMI, find percentages, convert between units, count words, or create QR codes, we've got you covered.
Complete Tool List
- Code Beautifier - Format and beautify JSON, HTML, CSS, JavaScript, Python, PHP
- World Time - Current time in any city or timezone worldwide with DST detection
- Password Generator - Strong random passwords with strength meter
- Age Calculator - Exact age, next birthday, Western & Chinese zodiac, element, generation
- BMI Calculator - Body Mass Index with healthy weight range
- Percentage Calculator - Calculate percentages, discounts, tips, and percent change
- Unit Converter - 9 categories with 50+ units
- QR Code Generator - Text, URLs, WiFi, email, phone, SMS, maps
- Word Counter - Words, characters, sentences, paragraphs, reading time
All Tools Are Free
👋 Hey there! I built these tools because I was tired of slow, ad-ridden websites. No signup, no tracking, just tools that work. If something breaks, tell me.
No registration, no hidden fees, no premium tiers. All tools work entirely in your browser - we don't store your data or require any login.