Tailor your words.
How many minutes a day do you spend rewriting business chats — tone, register, exact phrasing? Shitate reads the context and the recipient, then rewrites the draft for you in 10 seconds. The more you use it, the more it sounds like you. For individuals and teams.
- for Sales
- for CS
- for Managers
- for Founders
- for Pro services
- for Personal
Internal
Daily-use across our own sales & CS
10
Chat apps supported
10s
Average time to a finished reply
SEE IT FOR YOUR INDUSTRY
Acme Corp · Yamada (VP)
先方からのメッセージに返信中
▍✓ Composing
Acme Corp · Yamada (VP)
先方からのメッセージに返信中
Have you ever sent messages like these?
「Hey, about that thing yesterday...」
⚠ Too vague for a senior client. Reads as careless.
「Got it!」
⚠ The recipient is a board member. Risky.
「No can do」
⚠ Too casual. No reason given. Cold.
Shitate tailors every word to context
Context-aware
Reads scroll history, recipient and channel to pick the right tone and register.
Sounds more like you
Learns from the edits you keep, the endings you choose, the lines you leave in. Slowly tunes itself to your voice.
Works everywhere
Chatwork, Slack, LINE WORKS, Gmail, Messenger… all in one extension.
Or roll it out to your team
Use it as a team to standardize quality. Share Playbooks, manage with SSO and an admin dashboard.
Real-world feel
Internal pilot screenshots showing Shitate embedded into chat workflows.
Chatwork: instant polish via ✨ button
Popup: tone, context, learning status
Dictionary: org × personal layers
* Real screenshots will be swapped in upon Chrome Web Store launch
For organizations
Included in Standard plan and above
Admin dashboard
Per-team / per-user usage, polish counts and win rate
Shared Playbook
Register top-performer scripts as markdown; broadcast to every employee
Industry templates, one click
4 ready-made playbooks (Real estate / SaaS / Consulting / Pro services) load as your initial org dictionary on day one
Org × Personal dictionary
Separate company-wide and personal habits; only org dictionary persists across staff turnover
SSO / Audit logs
Google Workspace / Microsoft Entra ID; full operational logs
Your chats stay yours.
We do not store the drafts you polish. We only learn from the edits you confirm.
- 🔒
No screenshots stored
Screen captures stay on your device. Nothing leaves the browser.
- 📝
Last 500 chars only
We only send the trailing 500 characters as context. No long history.
- 🪪
PII masking
Emails, phone numbers and named entities are auto-masked before sending.
- 🌏
JP region by default
Stored in Japan region. GDPR and cross-border compliant.
One extension, 10 chat apps
Use it inside your existing tools from day one
- Chatwork
- Slack
- LINE WORKS
- Google Chat
- Gmail
- X DM
- Discord
- Messenger
- Instagram DM
- Threads
Available on
AVAILABLE NOW
- ●Chrome extension (Mac / Windows / Linux)
IN DEVELOPMENT
- ○iOS Safari extension
- ○Android keyboard
Why Shitate?
For polishing Japanese business chats, here is how we compare with existing tools.
| Shitate | EN writing AI (G) | JP writing AI (T) | In-chat AI | |
|---|---|---|---|---|
| Keigo & nuance in Japanese | ◎ | △ | ○ | ○ |
| Cross-app coverage | ◎ 10 apps | △ | △ | × One app only |
| Personal style learning | ◎ | △ | ○ | × |
| Shared org dictionary / Playbook | ◎ | × | × | × |
| Personal monthly price | from $0.99 | ~$12 | ~$6 | Bundled / extra |
| Auto-context from screen | ◎ auto | × | × manual paste | ○ |
* As of April 2026 based on publicly available info. Competitor names are abbreviated for non-disparagement. Specs may change.
Pricing
Built around team rollout. Personal plans available with full features.
Lite
$0.99 / mo
Most popular · less than a coffee
✓ 14-day free trial included
- ✓Sonnet
- ✓300 / month
- ✓3 tones
Pro
$2.99 / mo
For heavy daily users
✓ 14-day free trial included
- ✓Sonnet
- ✓500 / month
- ✓Personal glossary + learning
Pay-as-you-go deposits across all plans: $5 / $10 / $20
Customer voices
Internal pilot quotes shown here. Design partner case studies in progress.
- “
My morning hour spent rewriting the team's chats has dropped to almost zero. New hires sound like seniors thanks to the shared Playbook.
Sales Manager A
B2B Sales (10 yrs) · at OFFICE Inc.
- “
Cancellation requests no longer rattle the team. We always get a thoughtful, non-defensive draft. Emotional load on CS dropped visibly.
Customer Success B
CS team · Internal pilot
- “
For pro services, deadlines and liability framing are non-negotiable. Shitate covers those exact pieces.
Sato (alias)
Founder · Partner tax office
* Real names / orgs will be added as design partners confirm permission.
Frequently asked questions
- A.No. We do not store the texts you polish. We learn only from edits you confirm. Sent context is limited to the last 500 characters; emails, phone numbers and proper nouns are auto-masked. See our Privacy Policy for details.
OPERATOR
Operator
at OFFICE Inc. A Tokyo-based commercial real-estate group operating brokerage, interior fit-out and property management. We use Shitate every day in our own sales and CS teams — that is how we sharpen it.
- ▍Headquartered in Tokyo with multiple offices
- ▍Group: at CLINIC / at SAFETY / Bill Ad / at Group Holdings
- ▍Battle-tested in our own daily chat workflow
Join the waitlist
We will reach out after Stripe and shitate.jp go live.