Korean Language Open Data (Dojito) — version 1.0, 2026-10-11
https://tools.dojito.com/data/korean/

CC0 1.0 Universal — Public Domain Dedication
To the extent possible under law, Dojito has waived all copyright and related or neighboring rights to these data files
(korean-syllables-romanization, korean-numbers-1-10000, english-names-in-korean). You can copy, modify, distribute and use them,
even commercially, without asking permission. Full legal text: https://creativecommons.org/publicdomain/zero/1.0/legalcode

Attribution is not required but appreciated: "Korean Language Open Data by Dojito (https://tools.dojito.com/data/korean/), CC0".

The files were generated by Dojito's own conversion code. They do not reproduce the text of any official rulebook.
The underlying spelling and romanization systems are published by the National Institute of Korean Language:
  Revised Romanization of Korean: https://www.korean.go.kr/front_eng/roman/roman_01.do
  Korean loanword orthography (외래어 표기법): https://kornorms.korean.go.kr/
No warranty. General information only — for official documents, check with the issuing office.

Files
  korean-syllables-romanization.csv / .json — 11,172 rows. syllable, Unicode code point, initial/vowel/final letters (jamo), Revised Romanization of the syllable read on its own, and whether it is one of the 2,350 common syllables of the KS X 1001 set
  korean-numbers-1-10000.csv / .json — 10,000 rows. number, Sino-Korean reading in Hangul and romanization (as pronounced), native Korean reading for 1–99, and the shortened native form used before counters (한 개, 스무 살)
  english-names-in-korean.csv / .json — 214 rows. English name, standard Hangul spelling under the Korean loanword rules, romanization, and a common alternative spelling if one is widely used

CSV: UTF-8 with BOM, comma-separated, header row. JSON: {title, version, updated, license, source, rows:[...]}.
Romanization: Revised Romanization as pronounced (sound changes inside the word applied, e.g. 십육 -> simnyuk), no hyphens or capitals.
Syllables are romanized as read alone, so final consonants are neutralized (꽃 -> kkot, 값 -> gap).