Unit converter, BMI, password generator, QR code, date calculator, word counter, age calculator and countdown timer — all free, instant, and running locally in your browser.
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Length, weight, temperature conversion
30 length converters + temperature
Calculate BMI and view category
Custom length & characters, strength meter
URL, text, WiFi to QR image
Date difference, add/subtract days
Words, characters, sentences, reading time
Exact age from birthday
Countdown to a target date
Percent, ratio, increase/decrease
Tip and bill split
Text to/from Base64
HEX, RGB, HSL conversion
Compress JPG, PNG, WebP images
Monthly payment, interest, amortization
Auto, personal loan payments
Investment growth calculator
Weighted grade point average
Daily calorie expenditure
Live weather & AQHI air quality
CubedHub Tools is a free collection of online tools covering the most commonly used calculations and conversions in daily life. All tools run entirely in your browser — your data is never uploaded to any server, and results update instantly as you type.
We keep adding more useful tools across categories like unit conversion, health calculators, developer tools and everyday math. Bookmark this page to access them anytime.