Free online tools and calculators
Work out loans, percentages and dates, count words, merge and compress PDFs, resize photos and more. Everything runs in your own browser.
- 100% free
- No sign-up
- Files stay in your browser
PDF Tools
Merge, split, compress and convert PDF files in your browser.
Text Tools
Count, clean up and convert text.
Image Tools
Compress, resize and convert JPG, PNG and WebP images.
Finance Calculators
Loans, interest, savings, discounts and tax.
Loan Calculator
Work out the monthly payment, total interest and repayment schedule for a loan.
Compound Interest Calculator
See how savings or investments grow with compound interest and regular deposits.
Simple Interest Calculator
Calculate simple interest and the total amount for any time in years, months or days.
Savings Goal Calculator
Find the monthly deposit you need, or how long it takes, to reach a savings goal.
Investment Return Calculator
Work out your return on investment (ROI), profit or loss and annualised return.
Discount Calculator
Find the sale price after a discount, or work out the percentage off from two prices.
VAT Calculator
Add VAT to a price or remove VAT from a price, at any rate.
Sales Tax Calculator
Add sales tax to a price and quantity, or find the pre-tax price from a total.
Math Calculators
Percentages, fractions, averages, ratios and more.
Percentage Calculator
Find a percentage of a number, a percentage change, or add and subtract a percent.
Fraction Calculator
Add, subtract, multiply and divide fractions, with the answer in simplest form.
Average Calculator
Find the mean, median, mode, range and standard deviation of a list of numbers.
Ratio Calculator
Simplify a ratio, or split a total into shares in a given ratio.
Proportion Calculator
Solve A : B = C : D for the missing value using cross-multiplication.
Exponent Calculator
Raise any number to a power, including negative and decimal exponents.
Square Root Calculator
Find square roots, cube roots and any nth root, with simplest radical form.
GCD & LCM Calculator
Find the greatest common divisor and least common multiple of 2 to 20 numbers.
Scientific Calculator
A scientific calculator with trigonometry, logarithms, powers, roots and factorials.
Date & Time Calculators
Age, date differences, working days and countdowns.
Age Calculator
Work out an exact age in years, months and days from a date of birth.
Date Difference Calculator
Find the number of days, weeks, months and years between two dates.
Add or Subtract Days from a Date
Add or subtract days, weeks, months or years to any date.
Time Duration Calculator
Work out the time between a start and end time, with an optional unpaid break.
Working Days Calculator
Count the working days between two dates, skipping weekends and your holidays.
Countdown Calculator
See how many days, hours and minutes are left until a date.
Business Calculators
Margins, break-even, commission, wages and salary.
Profit Margin & Markup Calculator
Calculate profit margin and markup, or find the selling price for a target margin.
Break-Even Calculator
Find how many units you must sell to cover your costs, and to reach a profit target.
Revenue & Profit Calculator
Work out revenue, gross profit, profit before tax and profit margin from units sold.
Product Cost Calculator
Add up materials, labour, other costs and overhead to find the cost of each unit.
Sales Commission Calculator
Calculate commission on sales with a flat rate or a higher rate above a target.
Hourly Wage Calculator
Turn an hourly rate into daily, weekly, monthly and yearly pay, with overtime.
Salary Calculator
Convert pay between hourly, daily, weekly, monthly and yearly amounts.
Health & Fitness Calculators
BMI, calorie needs and ideal weight estimates.
BMI Calculator
Calculate your body mass index (BMI) in metric or imperial units, with the healthy weight range.
Daily Calorie Needs Calculator
Estimate your daily calorie needs (BMR and maintenance) and calories for losing or gaining weight.
Ideal Weight Calculator
Estimate a healthy weight for your height with four classic formulas and the healthy BMI range.
Everyday Tools
Converters, fuel and electricity costs, QR codes and generators.
Unit Converter
Convert length, weight, temperature, volume and digital storage units.
Area Converter
Convert between square metres, square feet, acres, hectares and other area units.
Cooking Measurement Converter
Convert cups, spoons, ml, grams and ounces, with weights for common baking ingredients.
Fuel Consumption Calculator
Work out fuel economy in L/100 km, mpg (US and UK) and km/L from distance and fuel used.
Fuel Cost Calculator
Estimate the fuel cost of a trip from distance, consumption and fuel price, and split it.
Electricity Cost Calculator
Estimate what an appliance costs to run per day, month and year from its power and your tariff.
QR Code Generator
Create a QR code from a link or text and download it as PNG or SVG.
Password Generator
Create strong random passwords with the length and characters you choose.
JSON Formatter
Format, validate and minify JSON, with clear error messages.
Try a shorter word such as “pdf”, “loan” or “date”.
How it works
Pick a tool
Browse the categories or use the search box above.
Enter your numbers, file or text
Type values or choose a file. Nothing is uploaded to our servers.
Get your result
See, copy or download it right away. No account and no watermark.
Private by design
PDF, image and text tools run inside your browser, so your files are not uploaded to our servers.
Free to use
No accounts, no subscriptions and no watermarks on your results.
Works on any device
Use it on a phone, tablet or computer. Large files need a computer with enough memory.