Encoding & Conversion

Encode or decode text as Base64, with Base64url support, Unicode handling, and real-time two-way conversion.

Convert plain text to and from Base16 hexadecimal locally in your browser with Unicode support, format validation, and uppercase or lowercase output.

Convert plain text to and from Base32 locally in your browser with Unicode support, whitespace-tolerant decoding, lowercase input support, and optional padding output.

Convert plain text to and from Base58 locally in your browser with Unicode support, whitespace-tolerant decoding, and Bitcoin, Flickr, or Ripple alphabet switching.

Convert integers across binary, octal, decimal, hexadecimal, Base32, Base36, Base62, Base64, and a custom base locally in your browser.

Convert text into \uXXXX, \u{XXXXX}, U+XXXX, HTML numeric entities, UTF-8 hex bytes, URL percent-encoding, and more locally in your browser, then unescape it back.

Encode text into named, decimal, or hexadecimal HTML entities locally in your browser, and decode entities back to plain text.

Encode or decode URL path segments, query values, and hash text locally in your browser with encodeURIComponent / decodeURIComponent.

Convert Roman numerals and Arabic numbers in both directions, and validate canonical Roman notation from 1 to 3999.

Convert numbers and Chinese uppercase monetary text in both directions locally in your browser with yuan, jiao, fen, negatives, and up to two decimal places.

Convert text and Morse code in both directions locally in your browser with spacing normalization, token validation, and optional audio playback.