100 free tools for everyday life
Calculators, converters and file tools that load fast, work on your phone, and never ask you to sign up. Everything runs in your browser.
Most used
All 100 tools →
BMI Calculator
Body mass index from your height and weight, with your healthy weight range.
Age Calculator
Your exact age in years, months and days — plus a countdown to your next birthday.
Tip Calculator
Tip amount, total, and what each person owes when you split the bill.
Percentage Calculator
Find a percentage of a number, what percent one number is of another, or a percent change.
QR Code Generator
Make a QR code for a link, WiFi, email or phone. Download as PNG or SVG.
Password Generator
Strong random passwords and memorable passphrases, generated in your browser.
Word Counter
Live word, character, sentence and paragraph counts, plus reading time.
Date Difference Calculator
How many days, weeks, months or working days lie between any two dates.
Loan Calculator
Monthly repayment, total interest and full cost for any loan amount and rate.
Unit Converter
Convert length, weight, volume, area, speed, temperature and data in one place.
Discount Calculator
Final sale price and your saving, including stacked and double discounts.
Random Number Generator
Generate one number or many, in any range, with or without duplicates.
Calculators
Money, health, dates and school maths worked out in one tap.
Age Calculator
Your exact age in years, months and days — plus a countdown to your next birthday.
Car Loan Calculator
Real monthly payment on a car, including tax, trade-in and dealer fees.
Compound Interest Calculator
How savings grow over time with regular contributions and compounding.
Date Difference Calculator
How many days, weeks, months or working days lie between any two dates.
Discount Calculator
Final sale price and your saving, including stacked and double discounts.
Fuel Cost Calculator
Fuel cost for any journey, split between passengers if you like.
GPA Calculator
Work out your GPA from letter grades and credit hours.
Income Tax Calculator
Estimate take-home pay after income tax and national insurance or FICA.
Converters
Units, sizes, temperatures and time zones translated instantly.
Clothing Size Converter
Convert clothing sizes between US, UK, EU, Italy, France and Japan.
Cooking Converter
Cups to grams, ounces to millilitres, and oven temperatures.
Currency Converter
Convert between 30 currencies using daily European Central Bank rates.
HEIC to JPG
Convert iPhone HEIC photos to JPG or PNG so anything can open them.
Oven Temperature Converter
Celsius, Fahrenheit, gas mark and fan oven temperatures, all at once.
Roman Numeral Converter
Convert numbers to Roman numerals and Roman numerals to numbers.
Shoe Size Converter
Convert shoe sizes between US, UK, EU and centimetres.
Speed Converter
Convert mph, km/h, m/s and knots, plus running and cycling pace.
File & Image Tools
Merge, compress, resize and convert files right in your browser.
Background Remover
Removes a plain, even background from a photo. Best on product and passport shots.
Image Compressor
Make photos smaller for email or uploads. Nothing leaves your device.
Image Resizer
Resize a photo to exact pixels, a percentage, or a preset size.
Image to PDF
Turn photos into a PDF, several to a document, in the order you choose.
Passport Photo Maker
Crop a photo to official passport dimensions and print several per sheet.
PDF Compressor
Reduce a PDF to fit an email limit. Best on scans and image-heavy files.
PDF Merger
Combine several PDFs into one document, in the order you choose.
PDF Splitter
Pull out the pages you want, or split a PDF into separate files.
Random Pickers
Flip, roll, spin and draw a fair winner when you cannot decide.
Baby Name Generator
Baby names filtered by style, length, first letter and origin.
Coin Flip
Flip a fair virtual coin, one at a time or hundreds at once.
Dice Roller
Roll any number of dice, from a single D6 to a fistful of D20s.
Gift Idea Generator
Gift ideas filtered by who it is for, the occasion and your budget.
Lottery Number Picker
Random picks for Powerball, EuroMillions, Lotto and custom draws.
Random Name Picker
Paste a list and draw a fair winner, or several, with no repeats.
Random Number Generator
Generate one number or many, in any range, with or without duplicates.
Random Team Generator
Split any list of names into balanced random teams or groups.
Health & Body
Understand the numbers your body and your doctor care about.
Blood Type Calculator
Who you can donate to and receive from, and what type a child could be.
BMI Calculator
Body mass index from your height and weight, with your healthy weight range.
Body Fat Calculator
Estimate body fat percentage from tape measurements, no calipers needed.
Calorie Calculator
Daily calories to maintain, lose or gain weight, from the Mifflin-St Jeor equation.
Colour Blindness Test
A quick screening test for red-green colour vision deficiency.
Heart Rate Zone Calculator
Your five training zones, from maximum heart rate or resting heart rate.
Ideal Weight Calculator
A healthy weight range for your height, from four established formulas.
Medicine Schedule Planner
Turns "three times a day" into actual times, and tracks today’s doses.
Home & Daily Life
Lists, budgets and household maths for real life.
Bill Split Calculator
Split a bill evenly, or by what each person actually ordered.
Budget Tracker
Track monthly income and spending, with the 50/30/20 split checked for you.
Electricity Bill Estimator
What each appliance costs to run, per hour, month and year.
Grocery List Maker
A shopping list that sorts itself into aisles so you only walk the shop once.
Habit Tracker
Track daily habits on a simple grid and watch the streaks build.
Packing List Generator
Generates a packing list from your trip type, length and destination climate.
Paint Calculator
How many litres or gallons you need, after subtracting doors and windows.
Recipe Scaler
Rescale a whole recipe by pasting it in — quantities adjust, fractions stay readable.
Fun & Social
Countdowns, quizzes and light-hearted things to share.
Anniversary Calculator
How long since a date, the next milestone, and the traditional gift.
Birthday Countdown
Days until your next birthday, your exact age, and the day of the week.
Countdown Timer
A live countdown to any date and time, with shareable links.
Love Calculator
A compatibility score from two names. Entertainment only, obviously.
Meme Generator
Add classic meme text to your own image and download it.
Nickname Generator
Generate nicknames, gamertags and usernames from your name or a theme.
Personality Test
A 20-question Big Five test — the model psychologists actually use.
Quote Generator
A quote with the right attribution — and a note when the famous version is wrong.
Text & Documents
Count, convert and create text and simple documents.
Business Card Maker
Design a business card and download it print-ready with bleed marks.
Greeting Card Maker
Make a folded greeting card with a front and an inside message.
Image to Text (OCR)
Pull the text out of a photo or screenshot so you can copy it.
Invitation Maker
Make a printable invitation for a party, wedding or event.
Resume Builder
Build a clean one-page CV and print or save it as PDF.
Signature Maker
Draw your signature and download it as a transparent PNG.
Text Case Converter
Switch text between upper, lower, title, sentence and other cases.
Word Counter
Live word, character, sentence and paragraph counts, plus reading time.
Generators
QR codes, passwords, barcodes and other things made to order.
Barcode Generator
Generate scannable Code 128 and EAN-13 barcodes and download as PNG or SVG.
Colour Picker
Pick a colour from any image and get HEX, RGB and HSL, plus a palette.
Password Generator
Strong random passwords and memorable passphrases, generated in your browser.
Password Strength Checker
Test a password’s real strength and see how long it would take to crack.
QR Code Generator
Make a QR code for a link, WiFi, email or phone. Download as PNG or SVG.
WiFi QR Code Generator
A printable QR code that joins guests to your WiFi in one scan.
From the blog
All posts →Date Maths Is Harder Than It Looks
Leap years have a rule most people half-know, "a month later" is ambiguous, and inclusive counting shifts the answer by one.
What Happens to Files You Upload to Online Converters
Most web tools send your document to a server; some do everything in the browser. How to tell which is which in thirty seconds, and when it matters.
Why the Same Recipe Works for Everyone Except You
A cup of flour ranges from 120 g to 160 g depending on how you fill it, and cups differ by country. Why volume measuring fails, and the conversions that matter.
The Hidden Cost of Changing Money
The rate you see online is not the rate you get. Where the margin is added, what each method typically costs, and the one question to always answer "no".