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Free
single-purpose
tools
One thing each, done well. No accounts, no popups, no ads everywhere. Just what you came for.
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Currency Converter
Live rates between 30+ currencies. Updated daily by the European Central Bank.
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BMI Calculator
Body Mass Index in metric or imperial. WHO categories explained.
💵
Tip Calculator
Split a bill, add a tip, divide evenly. Tax-aware. Mobile-friendly.
🔐
Password Generator
Strong, random passwords. Customize length and character types.
🏠
Mortgage Calculator
Monthly payments, total interest, amortization schedule.
📱
QR Code Generator
QR codes for URLs, text, Wi-Fi, contacts. Download as PNG.
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Unit Converter
Length, weight, volume, temperature, area. Metric & imperial.
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Sudoku
Classic logic puzzle. Easy/medium/hard, notes mode, error checking. Plays in your browser.
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Pomodoro Timer
Focus in 25-minute sprints. Customizable, runs in your tab. No login.
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Age Calculator
Years, months, days, hours, seconds — even nanoseconds. Live updating.
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Flash Card App
Build flashcard decks, study with quick-flip review. Backup to a file anywhere.
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