Free tools that help you
finish the task
Choose a category or find the tool you need below.
Date & time tools
Calculate dates and times quickly and accurately.
Date Difference Calculator
Calculate the number of days and weeks between two dates.
Open →DateAdd or Subtract Days
Find a date a chosen number of days before or after another date.
Open →CountdownCountdown Calculator
See how many days remain until a target date or have passed since it.
Open →WeekdaysBusiness Days Calculator
Count weekdays between two dates while excluding weekends.
Open →AgeAge Calculator
Calculate exact age from a birth date and a reference date.
Open →MonthsMonths Between Dates
Calculate complete months and remaining days between two dates.
Open →WorkWork Hours Calculator
Subtract break time from clock-in and clock-out times.
Open →TimeAdd or Subtract Time
Move a clock time forward or backward by hours and minutes.
Open →ISO WeekISO Week Number Calculator
Find the ISO week number for any calendar date.
Open →WeekdayDay of the Week Calculator
Find the weekday for any past or future date.
Open →Unit conversion tools
Convert common measurements including area, weight and length.
Area Converter
Convert square metres, square feet, pyeong, acres and more.
Open →LengthLength Converter
Convert millimetres, centimetres, metres, inches, feet and miles.
Open →WeightWeight Converter
Convert milligrams, grams, kilograms, pounds and ounces.
Open →VolumeVolume Converter
Convert millilitres, litres, cups, fluid ounces and gallons.
Open →TemperatureTemperature Converter
Convert Celsius, Fahrenheit and Kelvin temperatures.
Open →FuelFuel Economy Converter
Convert km/L, L/100 km and US MPG fuel economy.
Open →SpeedSpeed Converter
Convert km/h, m/s, mph and knots.
Open →DataData Size Converter
Convert bytes, KB, MB, GB and TB.
Open →PressurePressure Converter
Convert Pa, kPa, bar, psi and atmospheres.
Open →AngleAngle Converter
Convert degrees, radians, gradians and turns.
Open →Image tools
Process photos locally without uploading them to a server.
Image Compressor
Reduce JPG and WebP file size while comparing image quality.
Open →PixelsImage Resizer
Set exact pixel dimensions while keeping the original aspect ratio.
Open →ConvertImage Format Converter
Convert JPG, PNG and WebP files directly in your browser.
Open →RatioImage Cropper
Crop an image to 1:1, 4:3, 3:4 or 16:9 from the center.
Open →CheckPassport Photo Ratio Checker
Quickly check image resolution and the 35 × 45 mm aspect ratio.
Open →PrintID Photo Print Sheet
Arrange 30 × 40 mm or 35 × 45 mm photos on one A4 sheet.
Open →CalculateDPI and Print Size Calculator
Calculate the relationship between pixels, DPI and physical print size.
Open →PrivacyImage Metadata Remover
Create a fresh image file without common location and camera metadata.
Open →DocumentSignature Image Trimmer
Automatically remove white margins around a photographed signature.
Open →SocialSocial Media Image Resizer
Create square posts, vertical stories and thumbnail sizes.
Open →