Turn your Japanese business writing
into professional keigo.
Paste rough Japanese, pick your recipient — AI instantly converts to sonkeigo, kenjougo, or teineigo.
The other day's issue — it was our mistake. Sorry.
Regarding the matter the other day, we sincerely apologize for the significant inconvenience caused by our oversight.
5 free conversions/day
BEFORE / AFTER
See the difference
Real conversion examples
About tomorrow's meeting — I might be a little late. Sorry.
Regarding tomorrow's meeting, I sincerely apologize for the inconvenience, but I expect to arrive slightly late. I would greatly appreciate your understanding.
The other day's issue was our mistake. I'm really sorry.
Regarding the matter the other day, we deeply apologize for the significant inconvenience caused by our oversight.
Can you send me the materials when they're ready?
When the materials are complete, would you be so kind as to send them to me?
HOW IT WORKS
3 simple steps
No complex setup required
Paste your text
Paste your draft email, message, or any Japanese text as-is.
Choose recipient
Select boss, client, colleague, or stranger — AI picks the right formality.
Get polished keigo
Click convert. Professional business Japanese in seconds.
PRICING
Simple pricing
Start for free
- 5 conversions/day
- All formality levels
- Chrome extension (limited)
- 50 conversions/day
- Chrome extension (unlimited)
- Gmail draft integration
- Conversion history
- Saved templates
- Unlimited conversions
- Everything in Pro
- Shared team templates