Bitspeak is a utility that converts hexadecimal strings into pronounceable words, making small identifiers and data easier to vocalize and remember. It addresses the problem domain of data representation and human-friendly encoding, particularly useful for scenarios like typing shortened URLs on phones, accessing database records, or memorizing cryptographic keys. The project is written in JavaScript and offers two encoding variants: a 6-bit version that maps hex to consonant-vowel syllables for accuracy, and an 8-bit version that aligns one byte per syllable. The creators mention considering Bitspeak for displaying unique identifiers in Formality, a new programming and proof language.