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Converters

Free converters for units, dates and data formats. Every calculation runs in your browser — nothing is uploaded and no account is needed.

Base Converter

Convert between binary, octal, decimal, hexadecimal or any base from 2 to 36, with bit grouping and every base shown at once.

Bytes Converter

NHRepon

Md. Nur Hossain Repon expert in NextJS, React, React Native and Flutter. He is a full-stack web and mobile application developer with 5+ years of experience and a passion for building innovative and robust application. Also, he has a strong background in developing high-quality web and mobile applications using the latest technologies and frameworks.
Let's build something amazing together 🚀

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Build v1.5.4+56.73c4a90

Convert between bits, bytes, kB, MB, GB and their binary counterparts KiB, MiB and GiB — and see why a 1 TB drive shows as 931 GB.

Open tool

Csv To Json

Convert CSV to JSON and JSON to CSV in your browser, with delimiter and header control.

Date Difference

Count the days, weeks, months and business days between two dates, or add and subtract a duration from any date.

Markdown To Html

Convert Markdown into clean HTML — headings, lists, quotes, code and tables — with inline styles for email and a live preview.

Number To Words

Write any figure out in words using the international or Indian numbering system, with cheque mode for rupees and paise or dollars and cents.

Roman Numerals

Turn a number into Roman numerals or read them back, with strict notation checking and the vinculum form above 3,999.

Unit Converter

Convert between length, mass, area, volume, temperature, speed, data, time, pressure, energy and angle units, with a full table for the value you enter.

Xml To Json

Convert an XML document into JSON, with attributes, mixed text and repeated elements mapped the way you choose.