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
⌘⇧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-firstBring 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.