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macOS 15+ · Apple Silicon & Intel

Your fn key,
reimagined.

Launch apps, expand text, paste anything, compare prices, dictate, scroll — all from one key you already have.

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free trial · no account required · local-only

App Launcher
Features

Everything you need, nothing you don't.

Eight small superpowers, all bound to one key.

AI
01

Text

Type long text from a short trigger.

  • Snippets — type the trigger, your saved text appears
    • Use placeholders for clipboard, selected text, date, and more (/clipboard · /selection · /date)
  • AI Snippets — type the trigger, an LLM writes for you
    • Reads the screen you're looking at right now
    • LLM mode — Local · Quick · Think
    • Action mode — Append (insert after) · Rewrite block (this block only) · Rewrite all (the whole field)
02

Speech

Dictate with your own AI lineup.

  • Four modes — Raw (as-is) · Local (on-device LLM) · Quick (cleanup) · Think (deep rewrite)
  • Tone presets — formal · casual · email · message, auto-applied
  • Per-app auto-routing — Slack stays casual, Mail goes polite
  • Output in any language you want
  • Pick your own LLM and Whisper model
Productivity
01

Clipboard

Reach your full clipboard history in an instant.

  • Paste multiple items at once — in order or reversed
  • Automatic actions based on what you copied — open URLs, convert colors, OCR images, and more
  • Instantly convert copied colors between RGB · HSL · OKLCH · CMYK and more
  • Pin favorites, auto-exclude password apps, count characters as you copy
02

Query

Build your own search palette.

  • Search apps, files, URLs, and system settings in one place
  • Calculator, plus search based on the query you configured
  • Template queries built in, ready to use from day one
Shortcuts
01

App Launcher

Launch any app with the key you choose.

  • Press the key, the app opens instantly
  • Register and manage hotkeys for each app
02

Scroll

Scroll without ever touching your mouse.

  • Up, down, left, right — all from the keyboard
  • Adjust step size: line, half page, or full page
  • Works in every app
03

Zoom

Zoom your Mac screen in and out from the keyboard.

  • Zoom in, zoom out, and reset with a shortcut
  • Set your own zoom step size
04

Click Mode

Pick any clickable element on screen with one key.

  • Key labels appear over every clickable element on screen
  • Choose which keys are used on the labels
  • Customize the label shape and color
Shortcuts

fn shortcut for everything.

Turn fn into your Mac's control layer. Click, scroll, zoom, dictate, paste, search, and launch without leaving the keyboard. Remap everything when you're ready.

fn + Q

Toggle fns

Show or hide the control layer instantly.

fn + /

Shortcut Cheat Sheet

See every active binding in one place.

fn + ,

Open Settings

Jump straight into configuration.

fn + \

Click Mode

Type two letters to click anywhere.

fn + Space

Show Query

Search, open, and act from one palette.

fn + S

Snippet Palette

Open reusable text snippets on demand.

fn + T

Text Expansion

Toggle text expansion when you need it.

fn + Z

Voice Input

Toggle dictation and insert text anywhere.

fn + D

Scroll Down

Move down the page without the mouse.

fn + U

Scroll Up

Move back up from the keyboard.

fn + L

Scroll Left

Pan left in wide documents and canvases.

fn + R

Scroll Right

Pan right without leaving the home row.

fn + +

Zoom In

Use macOS system zoom with one hand.

fn + -

Zoom Out

Step back out with the control layer.

fn + 0

Reset Zoom

Return to the default zoom level.

fn + X

Open Ghostty

Launch your terminal from the control layer.

fn + C

Open VS Code

Jump back to your editor instantly.

FAQ

Frequently asked questions.

Download and use fns right away. After the trial period ends, choose a plan to keep using all features.
Yes. Refunds are available within 14 days. For plans that include cloud AI/API usage, the non-recoverable cost of usage already consumed may be deducted from the refund.
fns runs on macOS 15 or later, on both Apple Silicon and Intel Macs.
Yes. You can use fns on any Mac you personally own or control.
Everything runs locally on your Mac. Voice input uses on-device Whisper — no internet needed.
fns uses Firebase Analytics for anonymous usage statistics and Firebase Remote Config for app configuration. Nothing you type, copy, or dictate is sent through these services.
fns supports dynamic placeholders like dates, clipboard content, and cursor positioning. You can also trigger multi-line expansions and chain replacements.

fns is here.

Get the launcher, clipboard, text expander, and voice tools that all live behind one key.

Download for Mac Try in browser

macOS 15+ · No account required