ToneFlow

ToneFlow

AI Text Rewriting

Rewrite any text in seconds

Press ⌘⇧T anywhere on your Mac. Your text, instantly rewritten with the perfect tone. Private, fast, native.

  • Works everywhere — iMessage, Slack, Email, Notes
  • Instant — No copy/paste to ChatGPT
  • Private — Your own API key, your data
  • Native Mac app — Feels like it belongs
macOS 13.0+Free

Free with your OpenAI key • No account needed • Apple Silicon & Intel

View on GitHub →

⌘⇧T Global Hotkey
100% Private (BYOK)
Works Everywhere
GPT-5 Powered

Works everywhere

Unlike web-based tools, ToneFlow works in all your apps

Slack
iMessage
Mail
Gmail
Notion
Discord
WhatsApp
Notes
VS Code
Figma

Why ToneFlow?

Faster than ChatGPT

No more copy → open ChatGPT → paste → wait → copy → paste back. Just press ⌘⇧T.

Save 30 seconds per rewrite

Your data stays yours

Bring your own OpenAI key. No account required. Your text never touches our servers.

Privacy-first

Built for Mac

Native Swift app. Feels like it belongs. Works offline. Respects your system theme.

macOS 13+

Simple, transparent pricing

Start free with your own API key, or get credits for hassle-free usage. No subscriptions, no lock-in.

Free

Privacy-first

Bring your own OpenAI API key

$0forever
  • Unlimited rewrites
  • All 4 tone presets
  • GPT-5, Mini, and Nano models
  • Emojify toggle
  • Works everywhere
  • Your own API key
macOS 13.0+Apple Silicon & Intel
Most Popular

Starter

Perfect for getting started

$19one-time
  • Everything in Free
  • $15 in credits included
  • ~7,500 rewrites (GPT-5 Mini)
  • No OpenAI account needed
  • Simple license key
  • Credits never expire

Credit Packs

Top up as you need

$10per pack
  • ~5,000 rewrites
  • Works with any plan
  • Never expires
  • Volume pricing available
  • Buy multiple packs
Free tier uses your OpenAI API key • ~$0.0001 per rewrite with GPT-5 Mini

Paid plans coming soon. Star on GitHub to get notified.