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Local AI for Mac

Write faster with private AI autocomplete

GhostPen suggests the next few words as you type. Accept with Tab. Everything runs locally on your Mac.

Watch demo
Local AIWorks offlineFree
GhostPen DraftLocal autocomplete
On-device

GhostPen suggests text inline, accepts selected words, and lets the user keep typing without leaving the editor.

Product demo

GhostPen in motion

A quick look at local autocomplete appearing inside the Mac app.

How it works

Type. See. Accept.

Three steps. No prompts, no chat windows, no copy-paste.

The point I'm tr
1

You type

Write naturally in the editor. GhostPen reads the context of your draft.

The point I'm trying to make is
2

Ghost text appears

A short suggestion fades in, right where your cursor is.

The point I'm trying to make is
Tab accepted
3

Press Tab

Accept what fits. Ignore what doesn't. Keep going.

Everyday writing

Made for the writing you do every day

Emails, notes, and rough drafts all benefit from the same thing: the next words appearing without breaking your focus.

GhostPen local AI writing companion assisting with emails, notes, and drafts on macOS
Emails
Reply faster without sounding robotic.
Thanks for sending this over. I can take a proper look after lunch and send notes before 4.
Notes
Capture the thought before it disappears.
The useful part of this idea is that it removes the context switch entirely.
Drafts
Turn rough starts into clean sentences.
The point I am trying to make is simple enough to say plainly.

Private by default

Your writing stays on your Mac

GhostPen runs AI models locally. No cloud, no accounts, no prompt history. Your unfinished thoughts are yours alone.

  • AI runs on your Mac, not in the cloud
  • No account required
  • No prompt history stored
  • Works completely offline
GhostPen private offline AI autocomplete security and privacy illustration

Questions

A Mac writing app with local AI autocomplete. You type, ghost text appears inline, and you press Tab to accept.

GhostPen App Icon - Private AI Autocomplete for Mac

Start writing with GhostPen

Free for Mac · Apple Silicon