도구 4
Toolbox
Name converter, number machine, age math, verb lab.
🪪 Your name in Hangul
Rule-based transliteration plus a book of common names.
ℹ️ Approximate — real Koreans will still get it right.
🔢 Number machine
Any number → Sino, native, and counting forms.
- Sino-Korean
- 삼만 사천오백
- Native Korean
- —
- Counting form
- —
🎂 Korean age calculator
세는나이 vs international age, demystified.
26
Korean age (세는나이)
25
International age (만 나이)
ℹ️ Korea switched to international age in June 2023 — but family still counts the old way.
⚗️ Verb lab
Type any verb, get seven forms. Irregulars included.
- casual
- 해
- polite
- 해요
- formal
- 합니다
- past
- 했어요
- future
- 할 거예요
- progressive
- 하고 있어요
- negative
- 안 해요
ℹ️ Regular rules + common irregular families. Verify rare verbs.
🪄 Your Korean name
Same input, same name — like the universe intended.
♾️ Infinite sentences
Grammar-safe slot machine. Every pull is a new natural sentence.
저는 오늘에 요리해요
I cook today
sentence #1 · infinite supply