Numbers & Encoding

Write any number in English words using the Indian (lakh, crore) or international (million, billion) system.

Turn English number words like ‘two crore ten lakh’ back into digits.

Convert numbers to Roman numerals and Roman numerals back to numbers, from 1 to 3,999.

Convert numbers between binary, octal, decimal, hexadecimal and any base from 2 to 36.

Convert binary numbers to decimal and see the octal and hexadecimal values too.

Convert decimal numbers to binary, with octal and hexadecimal shown alongside.

Convert hexadecimal numbers to decimal, binary and octal.

Convert decimal numbers to hexadecimal, binary and octal.

Convert octal numbers to decimal, binary and hexadecimal, and the other way round.

Convert any text to binary (UTF-8 bytes), including Hindi, accented letters and emoji.

Convert binary code back into readable text.

Convert text to ASCII codes (decimal, hex, binary or octal) and codes back to text.

Look up the code point, UTF-8 and UTF-16 bytes, HTML entity and JavaScript escape of any character.

Find the Unicode code points, UTF-8 and HTML codes of any emoji.

Turn Unicode code points like U+1F600 into the actual emoji or character.

Search HTML entities by name or character, with decimal and hex codes — ©, €,   and more.

A searchable ASCII table with decimal, hex, octal and binary values for all 128 characters.

Press any key to see its key, code, keyCode and location values for JavaScript event handlers.