Effortlessly solve complex
calculations

Free tools, converters & calculators, with no registration required.

17+ tools

Diverse range of tools, calculators and converters for different purposes.

Free to use

Accessible to anyone without any fees required.

100% Accuracy

Precise results based on current data and formulas.
We are constantly building new tools and converters as well as maintaining and enhancing the existing ones, so check the site periodically to see what's new.

Date & Time calculators

Tool icon
Age calculator
The age calculator can determine the age or interval between two dates. The calculated age will be displayed in years, months and days.
Tool icon
Date calculator
The date calculator can add or subtract years, months, weeks or days from a date.
Tool icon
Week number calculator
Easily determine the week number for a given date and can also show the date range for a given week number.
Tool icon
UTC/GPS time converter
The UTC/GPS time converter can convert an UTC time to GPS time and also performs the reverse conversion.
Tool icon
Epoch & Unix timestamp converter
Easily convert from epoch to human-readable date and vice-versa.

Converters

Tool icon
Time converter
Convert time units like seconds, minutes, hours etc into other time units.
Tool icon
Distance converter
Quickly convert distance between different units of measure in both metric and imperial systems.
Tool icon
Weight converter
Quickly convert weights between different units of measure in both metric and imperial systems.
Tool icon
Fuel efficiency converter
Easily convert miles per gallon to liters per 100 kilometers or liters per kilometer using this simple converter.
Tool icon
Number base converter
Easily convert numbers between the following formats: decimal, hexadecimal, octal or binary.

Encoding & decoding

Tool icon
Base64 encoder / decoder
Easily encode or decode text using base64 encoding.
Tool icon
Text to binary encoder / decoder
Easily encode or decode text to and from binary right in your browser.
Tool icon
HTML encoder / decoder
Easily encode strings for use in HTML or decode strings that are HTML encoded.
Tool icon
URL encoder / decoder
Easily encode strings for use in URLs or decode strings that are URL encoded.
Tool icon
Image to Base64 encoder / decoder
Easily encode and decode images to and from Base64.

Other tools

Tool icon
Password generator
Easily and quickly generate strong, secure passwords. The passwords are generated completely in the browser and not sent via the internet.
Tool icon
GUID generator
Easily generate Globally Unique Identifiers (GUID) values.
Tool icon
Rule of three calculator
Use the Rule of Three to determine a fourth value when three values are known, and they are in proportion.

Frequently asked questions

Quick answers to questions you may have.