Number, text & data conversions
Fast, private developer conversions — number bases, text encodings and data formats — that run entirely in your browser.
Converter
Number bases
Hexadecimal, decimal, binary and octal interconversions — exact, big-integer, with an all-bases breakdown.
ConverterString / text encodings
Text to binary or hex, binary to ASCII, hex to string — UTF-8 safe, including emoji.
ConverterData formats
CSV to JSON, JSON to CSV and JSON to HTML — parsed and rendered entirely in your browser.