12 tools ready to use

Free tools & calculators

The complete list. Everything runs in your browser — nothing is uploaded, nothing needs an account.

Calculators

Everyday maths — percentages, discounts, age, BMI.

Age Calculator

Work out exact age in years, months and days from a birth date.

BMI Calculator

Calculate Body Mass Index from height and weight.

Discount Calculator

See the final price and amount saved on any sale.

Percentage Calculator

Find a percentage, an increase or a decrease in one step.

Construction

Concrete, brick, steel and paint estimates for site work.

Concrete Estimation Calculator

For a slab or footing, "width" is the second side and "thickness" is the depth. For a wall, use wall length, wall height as width, and wall thickness.

Construction & Civil Engineering Tools

Concrete volume, brick count, steel weight and paint coverage calculators.

Converters

Swap between length, weight and temperature units.

Unit Converter

Convert length, weight and temperature between common units.

Text & Writing

Counters and checks for writers and content limits.

Character Counter

Track character count with and without spaces — handy for limits.

Word Counter

Count words, characters, sentences and reading time as you type.

Image

Quick edits that run in your browser.

Background Remover

Remove a plain background from a photo, right in the browser.

Security & Generators

Passwords, QR codes and other one-off generators.

Password Generator

Generate a strong, random password with the options you choose.

QR Code Generator

Turn any link or text into a downloadable QR code.

No tool matches that. Try a shorter word, or search the whole site.