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Tools that answer one question, quickly.

Each tool does a single job and shows the answer in the same place, in the same readout. Nothing you enter leaves this page.

12 tools

Finance

Loans, savings and take-home pay. Work out what a number really costs before you commit to it.

Loan calculatorWork out the monthly payment, total interest and full amortisation schedule for any fixed-rate loan.Compound interest calculatorSee what regular saving turns into, and how much of the total is growth rather than your own money.Mortgage affordabilityWork backwards from your income to the house price a lender is likely to accept.Take-home payTurn a gross salary into what actually reaches your account, with every rate used shown on the page.Currency converterConvert between 20 currencies, with the rate and its age shown so you know what you are relying on.

Health

Body measurements and energy needs, with the formulas shown.

BMI & calorie needsFind your BMI, resting metabolism and daily calorie needs, with the formulas shown rather than hidden.

Image

Compress and convert pictures without uploading them to anyone's server.

Image compressorShrink photos without uploading them. The file never leaves your device.Image converterConvert between PNG, JPEG and WebP in your browser, with control over what happens to transparency.

Convert

Units, formats and file types, converted in place.

QR code generatorMake a QR code for a link, Wi-Fi network, email or phone number. No tracking redirect, no expiry.PDF merge & splitCombine PDFs, pull out pages, or drop the ones you do not want — without the file leaving your device.Unit converterLength, mass, volume, temperature, area, speed and data — with every unit shown side by side.

Text

Count, clean and reshape text.

Word & character counterCount words, characters and reading time — with emoji and accents counted the way people count them.