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

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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.
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Date calculator
 The date calculator can add or subtract years, months, weeks or days from a date.
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Week number calculator
 Easily determine the week number for a given date and can also show the date range for a given week number.
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UTC/GPS time converter
 The UTC/GPS time converter can convert an UTC time to GPS time and also performs the reverse conversion.
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Epoch & Unix timestamp converter
 Easily convert from epoch to human-readable date and vice-versa.

Converters

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

Encoding & decoding

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

Other tools

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Password generator
 Easily and quickly generate strong, secure passwords. The passwords are generated completely in the browser and not sent via the internet.
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GUID generator
 Easily generate Globally Unique Identifiers (GUID) values.
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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.
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