Break language
barriers inSlack

Real-timeJapanese↔Englishtranslation that understands context, reads images, and parses PDFs. Just mention@Honyakuand go.

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# general

Features

Everything you need for seamless translation

Real-time Translation

Messages are translated instantly as they're posted. No delays, no manual triggers — just natural conversation flowing between languages.

Image Translation

Extracts and translates text from screenshots, photos, and diagrams shared in Slack using dual-engine OCR.

PDF Translation

Parses and translates PDF documents up to 50 pages while preserving paragraph structure and formatting.

Edit Re-translation

Edit a message and Honyaku automatically removes the old translation and replaces it with an updated one. Always in sync.

Auto-cleanup

Delete a message and its translation is automatically removed. No orphaned translations cluttering your channels.

Zero Configuration

Mention @Honyaku once to activate a channel. No setup wizards, no config files, no admin panels needed.

How it works

Up and running in seconds

1

Add to Slack

Install Honyaku to your workspace with one click. No credit card required.

2

Mention @Honyaku

Type @Honyaku in any channel to activate automatic translation for that channel.

3

Start communicating

Every message is translated in real-time. Your team just talks naturally.

Pricing

Simple, predictable pricing

Every plan includes a hard cap on usage — no surprise bills.

14-day free trial · No credit card required

Starter

¥7,999/mo

For small teams getting started with cross-language communication.

  • Up to 10 channels
  • Text + Image translation
  • Smart language detection
  • Context-aware translations
  • Edit & delete sync
Most popular

Business

¥14,999/mo

For growing teams that need full translation coverage.

  • Unlimited channels
  • Text, Image & PDF translation
  • Smart language detection
  • Context-aware translations
  • Edit & delete sync
  • Priority support

Enterprise

Custom

For organizations with custom volume and compliance needs.

  • Unlimited everything
  • All features + priority
  • Custom translation volume
  • Dedicated support
  • Custom terms & SLA
  • Security review & compliance

All prices in JPY (Japanese Yen) · Billed monthly · Excludes consumption tax

FAQ

Frequently asked questions

Ready to break
language barriers?

Add Honyaku to your Slack workspace and start communicating across languages in seconds.