Right where you type
Check spelling and spacing in other apps and tap a suggestion to fix it.
Korean keyboard · Spell check · Translation
From a quick message to a work email, your everyday Korean keyboard checks spelling and spacing, and translates without switching apps.
No subscription, top up as needed · iOS and Android
Write with Mighty Key in messengers, mail and notes.
When you pause, suggestions appear above the keys.
Tap only the suggestions you want; the text changes in place.
Check spelling and spacing in other apps and tap a suggestion to fix it.
See what changed and apply only what you pick. Your tone stays yours.
Translate into your chosen language and insert it directly.
Dubeolsik, Cheonjiin and Moaki Korean layouts plus English QWERTY.
Saved phrases, shortcuts, clipboard and emoji are one tap away.
A keyboard handles what you write, so we spell out how it works. Privacy
300 credits for KRW 3,300
iOS requires Full Access for a keyboard to use the internet. It is needed only for spell check and translation; typing works without it. Full Access and AI consent are separate choices.
Most apps that accept keyboard input. If a field refuses edits or its text has changed, Mighty Key leaves the text untouched and tells you.
No. Secure fields reported by the system and text containing sensitive numbers are never checked, and automatic checks skip fields such as search and user name.
Online correction, translation and top-ups are available in Korea, the United States and Japan.