Koemoji

Private, offline Japanese dictation for Mac.

Speak naturally in Japanese and insert polished text directly into the app you are using. Recognition, formatting, and translation run on your Mac.

Download Koemoji.dmg

Direct download: macOS 14 or later · Apple silicon Mac

Free today. The version you download will keep working after paid plans launch.

Get it on the Mac App Store (macOS 26 or later)The App Store edition works a little differently. Compare the two editions

DICTATE IN THREE STEPS

StartPress your hotkey
↓
SpeakDictate naturally in Japanese
↓
InsertText appears at the cursor

A live preview appears while you speak. Press the hotkey again to finish and insert the final text.

PRIVACY BY DESIGN

Designed to send no data whatsoever to external servers.

Your audio and text stay on your Mac. Dictation, formatting, and translation remain available without an internet connection.

Speech recognition runs locallyAudio is processed on your Mac and is never uploaded.
Formatting runs locallyApple Intelligence can clean up text without sending it to a remote model.
Translation works offlineTranslate dictated text on-device, from speech to insertion.

Useful even when the network is not trusted

Koemoji is designed for work where voice recordings and written content should not leave the computer.

  • No account required
  • No cloud transcription
  • No usage telemetry
  • Works with the network disconnected

TRANSLATION MODE

Speak in Japanese. Insert the translation.

Choose an output language and complete dictation, translation, and insertion in one action.

Translation also stays on-device

Use translation for messages, email, and chat while keeping dictated content off external servers.

  • One hotkey from speech to translated text
  • Choose the output language in Settings
  • Available offline
WHAT YOU SAY
明日の会議は午後2時からです。
WHAT GETS INSERTED
Tomorrow’s meeting starts at 2:00 PM.

TWO DICTATION MODES

Choose speed or polished prose.

Assign a separate hotkey to each mode and switch without interrupting your workflow.

Fast mode

Runs local speech recognition and deterministic replacements, then inserts the result immediately.

  • Lowest latency
  • Custom vocabulary replacements
  • No AI formatting step

Format mode

Removes filler words, restores punctuation and paragraphs, and corrects technical product names.

  • Cleaner sentences
  • Readable paragraphs
  • On-device Apple Intelligence

FOR BUSINESS

Private dictation for your team.

Talk to us about employee use, offline environments, deployment requirements, and operating policies.

Built for controlled environments

  • Install on each employee’s Mac
  • Use without a network connection
  • Review requirements before rollout
  • Developer ID signed and notarized

CONTACT

Planning a deployment?

Tell us about your environment and intended use. We will help you evaluate the right setup.

Contact us about business use
Developer ID signedNotarized by Apple
Automatic updatesSignature-verified
macOS 14+Apple silicon

Turn Japanese speech into text.

Dictate directly into the app you already use.

Download Koemoji.dmg

Direct download: macOS 14 or later · Apple silicon Mac

Get it on the Mac App Store (macOS 26 or later)The App Store edition works a little differently. Compare the two editions