Data converters
Turn data from one format or code into another. Conversion happens on your device, so your data never leaves it.
Number bases
- Binary to decimalTurn base-2 numbers into decimal
- Binary to hexShorten binary into hex digits
- Decimal to binaryTurn numbers into base-2 binary
- Decimal to hexTurn numbers into hexadecimal
- Decimal to octalTurn numbers into base-8 octal
- Hex to binaryExpand hex digits into bits
- Hex to decimalTurn hexadecimal into decimal numbers
- Number base converterAny base from 2 to 36
- Octal to decimalTurn base-8 numbers into decimal
Text encoding
Ciphers and codes
- Atbash cipherSwap A↔Z, B↔Y to encode or decode
- Caesar cipherShift letters to encode or decode
- Morse code chartMorse code for every letter and digit
- Morse code translatorText to Morse code and back
- NATO alphabet chartAlfa to Zulu, with how to say each
- NATO phonetic alphabetSpell text as Alfa, Bravo, Charlie
- ROT13Encode and decode ROT13 text
- Vigenère cipherEncode and decode with a keyword
Spreadsheets
Numbers and other formats
- Data format converterJSON, CSV, XML and YAML, any way
- Words to numbersNumber words to digits
- CSV to JSONTurn spreadsheet rows into JSON
- CSV to SQLCSV rows to INSERT statements
- JSON to CSVTurn a JSON array into a spreadsheet
- Number to wordsSpell out numbers in English words
- Roman numeral converterNumbers to Roman numerals and back
- Roman numerals chartRoman numerals 1 to 100 and beyond