Your brain: 150 wpm.
Your fingers:
Embarrassing.
Tellaflow turns your voice into text — in any app, on any Mac, with zero internet required. The gap between your thoughts and your screen just closed.
The speed gap
How fast your brain thinks.
How fast your fingers type. On a good day.
the keyboard.
Average speaking speed vs. average typing speed
The speed gap
That's a 2.5× gap between thinking and typing. Every email, every Slack message, every idea that never made it to the screen.
Voice recognition has existed for decades. Every tool that used it decided to route your audio through a server and charge you for the round-trip. Tellaflow just runs it locally.
Average speaking speed vs. average typing speed
Every other tool also noticed that voice was faster. Then made you pay a server to process it.
“We noticed voice was faster, so we built a server to listen.”
- ✕Requires internet to do anything
- ✕Your voice travels to a server somewhere
- ✕Breaks the moment you go offline
- ✕Useless on a plane, in a bunker, mid-flight
- ✕Your audio may train their next model
- ✕Rate limits because profit has feelings too
“What if the whole model just ran on your Mac?”
- Works offline, always, no exceptions
- Voice processed entirely on your device
- Air-gap, VPN, corporate firewall — no problem
- Full speed on a transatlantic flight
- Zero data sent. Architecturally impossible.
- No limits. No keys. No plan upgrades.
Six reasons your keyboard is nervous.
Works on a plane. In a bunker. Underwater (Mac permitting).
No WiFi? Great. Tellaflow doesn't need it. Local processing means full functionality everywhere humans go, including places with terrible or nonexistent internet.
Speak any of 65 languages. Type English. Fully offline.
Think in one language, output in another — without a translation API, without the internet, without telling anyone what you said.
Two of the best local speech models. Both free.
Whisper by OpenAI and Parakeet by NVIDIA run on-device. No API keys. No monthly bill. Just your Mac doing what it was built for.
Your voice never hits a server. Architecturally, it can't.
Not "we promise to protect your data." Literally impossible for your audio to leave your machine. There's no server to send it to.
No server round-trip = nothing to wait for.
Cloud voice tools have latency. Tellaflow doesn't, because there's no cloud. The words appear as you say them.
Works in every app you already use.
VS Code, Notion, Slack, iMessage, Gmail, Figma, the terminal you keep open but rarely use — if you can type in it, you can now speak in it.
Works with all your apps.
Tellaflow outputs to your clipboard and active cursor — so it works in Slack, Chrome, Word, Notion, Figma, or any other app you already have open.
And every other app with a text cursor. Which is all of them.
You speak. We translate.
Nobody's server
gets involved.
Speak in any of 65 supported languages and Whisper transcribes and translates to English instantly — all on your Mac, zero bytes sent anywhere. Most tools make you pay a translation API for this. Tellaflow just does it.
こんにちは、先週お話しした案件についてフォローアップしたいと思います。進捗状況はいかがでしょうか？次のステップについてもご確認いただければ幸いです。
Hello, I wanted to follow up on the project we discussed last week. How is the progress coming along? I would appreciate it if you could confirm the next steps as well.
Supported models.
Local speech-to-text models that run entirely on your Mac.
Bring your own model — coming soon
We're actively adding support for more local ASR models. Faster Whisper, Parakeet-CTC, and community-requested models are on the roadmap.
Typing was never the point. It was just the only option. Humans have communicated by voice since long before keyboards existed. Then computers arrived and quietly decided fingers were the future.
Voice recognition has existed for decades. Cloud voice recognition has existed for years. But shipping your voice to a server to get text back has always felt like a deal with someone you don't quite trust. Convenient, sure. But there's a reason you lower your voice when discussing something important.
Tellaflow does one thing differently: it runs the whole model on your Mac. No server. No subscription. No latency. No one listening. Just your voice becoming your words, exactly the way it was supposed to work.
Your thoughts. Your Mac.
Your speed.
Use cases
Works everywhere. Even there.
You're supposed to be listening. You are — and capturing everything.
Dictate notes, action items, follow-ups. All while looking like you're paying attention.
The WiFi costs $40 and doesn't work. Tellaflow does.
Full transcription, zero internet. The whole model runs on your Mac — runway to runway.
"Cloud anything" gets you a visit from IT. This doesn't.
Air-gap safe. VPN compatible. Zero bytes leave your device, ever. Architecturally impossible.
Speak any language. Get English text. No translation API.
Whisper transcribes and translates in one pass — entirely on your Mac, zero cloud, zero cost.
That thought you need to capture before your brain quietly loses it.
Open Tellaflow, speak, done. No login, no load time, no excuses. Just the idea, preserved.
Narrate PRs, comments, tickets, docs. Your keyboard is the bottleneck.
VS Code, terminal, Notion, Linear — if there's a cursor, Tellaflow types into it.
Numbers don't lie.
Your keyboard does.
“I work in an air-gapped environment. Tellaflow is the first voice tool I've been allowed to use. It's changed everything.”
“The live translation is wild. I speak in Hindi, get perfect English text instantly. Completely offline. No drama.”
“I work in an air-gapped environment. Tellaflow is the first voice tool I've been allowed to use. It's changed everything.”
3× faster than typing — for most users, on a good day
65 languages — speak any, get English out, fully offline
Stop typing.
You were never supposed to.
Completely free. Mac only. No account, no API keys, no server involved.