Korean–Japanese tools
The tools you keep reaching for when you move between Korean and Japanese, in one place. All of them run in your browser; nothing you type is sent anywhere.
Scripts and sounds
Read, convert and listen to kana and Hangul. Also for writing a Korean name in Latin letters, or rescuing text typed with the keyboard in the wrong language.
- Hiragana & katakana chart with audioThe full kana chart: basic, voiced and combined sounds in hiragana and katakana, with romaji. Tap to hear each one.
- Hangul chart (Korean alphabet) with audioEvery basic consonant and vowel combination, tense consonants, complex vowels and final sounds. Tap to hear each syllable.
- Hiragana ⇄ katakana converterHiragana to katakana and back, plus the Korean (Hangul) spelling of Japanese words.
- Korean romanization converterHangul to Latin letters under the Revised Romanization of Korean, with a katakana reading for Japanese speakers.
- Korean keyboard converterTurns text typed on a QWERTY layout by mistake (dkssud) into Korean (안녕), and Hangul into the keys that type it.
- Korean initial consonants (chosung) & jamo splitterTurn Korean text into its initial consonants (대한민국 → ㄷㅎㅁㄱ) or split syllables into jamo letters.
- Text to speech (read aloud)Reads Korean, Japanese or English text aloud with your browser's voices. Language detected automatically; adjustable speed.
Forms and dates
Japanese era years on documents, business days without either country's holidays, full-width and half-width input, each country's date format and amounts in kanji: what you need when filling in paperwork.
- Japanese era converterReiwa, Heisei, Shōwa and other Japanese era years to Western years and back, with the zodiac year and an age table. Older eras convert by year.
- Business day calculatorBusiness days between dates and N business days ahead, skipping weekends and Korean or Japanese public holidays.
- Full-width / half-width converterConvert full-width letters, digits, symbols, spaces and katakana to half-width, or back, for Japanese forms.
- Date format by countryOne date and time written the way each country writes it, plus ISO 8601, RFC 2822 and the Japanese era.
- Number to words converterNumbers to English words, plus Korean and Japanese numerals, including the forms used on receipts and contracts.
To go deeper
We are building grammar apps that tell apart expressions which look identical once translated between the two languages.
Related reading
- 한글 이름과 주소를 영어로 쓸 때: 로마자 표기법 기본국어의 로마자 표기법이 발음대로 적는 방식, 이름에만 적용되는 예외, 여권 영문 이름과 다를 때의 기준을 예시로 정리했습니다.
- 和暦と西暦の変換：改元の年と「元年」の注意点令和・平成・昭和と西暦の変換で間違えやすい、改元のあった年の扱い、元年の書き方、書類での使い分けをまとめました。
- 「半角で入力してください」でエラーになるときの確認ポイント入力フォームで全角・半角のエラーが出る原因と、見た目では分かりにくい全角スペース・長音・ハイフンの違いをまとめました。
- Why character counts disagree: bytes, code points and what you seeWhy Word, a web form, an SMS and JavaScript's .length give different counts for the same text: UTF-8 bytes, UTF-16 code units, code points and grapheme clusters, and which one to use.