Calculators and generators
Make QR codes and strong passwords, and work out percentages, without anything leaving your device.
- QR Code Generator Make a QR code for a link, text, Wi-Fi, email or phone number.
- Password Generator Generate a strong, random password and copy it in one click.
- Percentage Calculator Work out a percentage of a number, a share as a percentage, or a percentage change.
- QR Code Scanner Read a QR code from a picture or your camera, and see what it really holds.
- Unit Converter Convert length, weight, temperature, volume and more, into every unit at once.
- Time Zone Converter See what time it will be in other time zones, summer time included.
- Invoice Generator Fill in an invoice and download it as a PDF, with the sums worked out for you.
- Barcode Generator Make a barcode for a product or label and download it as PNG or SVG.
- Signature Generator Draw or type a signature and save it as a transparent image.
- Contrast Checker Check two colours against the WCAG contrast rules.
- Date & Age Calculator Count the days between dates or work out an age.
- Loan Calculator See the monthly payment and total interest of a loan.
- BMI Calculator Work out your body mass index from your height and weight.
- Random Number Generator Pick random numbers, roll dice or flip a coin.
- GPA Calculator Work out your grade point average from your courses and credits.
- Tip Calculator Work out the tip and split the bill.
- Sales Tax Calculator Add or remove sales tax from a price.
- Resume Builder Fill in your résumé and download it as a PDF.
- Chart Maker Turn your numbers into a bar, line or pie chart.
- Email Signature Generator Make a signature for your emails and copy it into your mail app.
- Wheel Spinner Spin a wheel to pick a name or an option.
- Colour Converter See one colour in every format.
- Colour Palette Generator Build a palette from one colour.