Tools/Encoding/Number Base Converter
All tools

Number Base Converter

Convert integers between binary, octal, decimal, hexadecimal, base 32, and base 36 representations.

Original content0 characters
Conversion result0 characters

Input and result notes

Base conversion handles integers: decimal 255 equals hexadecimal ff. Digits must belong to the selected base; fractions and floating-point bit patterns need different tools.

Encoding
  • Base32 Encoder and Decoder

    Encode text or decode Base32 data using the RFC 4648 alphabet and padding conventions.

  • Data Size Converter

    Convert bytes and decimal or binary storage units, including the distinction between KB and KiB.

  • Roman Numeral Converter

    Convert positive integers to standard Roman numerals or convert valid Roman numeral text to decimal integers.

  • Text to Binary Converter

    Convert UTF-8 text to eight-bit binary byte sequences or decode binary bytes back to UTF-8 text.