Talk. Mumble types.

Dictation that never leaves your Mac.

Clean, polished text from your voice, even when you mix languages.
Fully on-device. Works offline, in every app.

Free to download. Lifetime Pro, no subscription.

For people who think out loud, privately

BitGoBitGo
← Default
↑ Bullets
→ Open
↓ Custom
, Emoji
Why local

Private. Fast. Fully Yours.

On-device
Wi-Fi
Stays on your Mac

Private by default

Your voice and text are never uploaded.

Real-time
Here is a recap for today’s session…

Instant, anywhere

Words appear right away. The moment you stop talking.

One-time
Unlimited dictation
Pay onceMonthly fee

One payment. No caps.

Dictate as much as you want. No subscription. No limit.

Why Mumble

From speech to finished text.

Polished text at your cursor

Hold, speak, release. Clean text appears right where your cursor is, in Slack, email, Notion, or your code editor. System-wide, no copy-paste.

Speaks your languages, even mixed

Multilingual dictation that follows you when you switch languages inside a sentence, with nothing to select first.

AI cleanup

Filler words, false starts, and missing punctuation are cleaned up as you talk. You ramble, it comes out structured.

Built-in local LLM, or BYOK

Runs on a local model built into the app, fully on your Mac. Prefer your own? Connect any LLM by API.

Smart Formatting

One input. Every use case.

Tap a format key while you’re still holding the dictation shortcut. Same words, the output your use case needs.

What you say
“Um… can we like schedule a meeting tomorrow maybe at 3 pm to talk about the Q2 roadmap… and we need to figure out who’s owning the design review thing.”
←Concise
Polished messageCan we schedule a meeting tomorrow at 3 PM to cover the Q2 roadmap and decide who owns the design review?
↑Bullets
Bullet list• Meeting tomorrow @ 3 PM
• Q2 roadmap discussion
• Assign design review owner
→Custom
Format as emailHi team,
Can we meet tomorrow at 3 PM? I’d like to walk through the Q2 roadmap and confirm ownership of the design review.
→Custom
Translate into Spanish¿Podemos reunirnos mañana a las 3 PM para repasar la hoja de ruta del Q2 y decidir quién se encarga de la revisión de diseño?
Custom prompts

Write the rule once.

Set an instruction once and reshape your dictation with a keypress: email, Slack tone, translation, or a one-paragraph summary.

“Rewrite this as a formal, professional email.”
“Make this a short, casual Slack message.”
“Translate this into Spanish.”
“Condense this to one paragraph.”
“Translate this into Japanese.”
“Rewrite this as a formal, professional email.”
“Make this a short, casual Slack message.”
“Translate this into Spanish.”
“Condense this to one paragraph.”
“Translate this into Japanese.”
“Reformat as a numbered step-by-step guide.”
“Polish into a friendly LinkedIn post.”
“Rewrite this as a single tweet.”
“Summarize for an exec, three sentences.”
“Turn this into a Notion outline.”
“Reformat as a numbered step-by-step guide.”
“Polish into a friendly LinkedIn post.”
“Rewrite this as a single tweet.”
“Summarize for an exec, three sentences.”
“Turn this into a Notion outline.”
Dictionary

Your words, spelled right.

Add names, product terms, and acronyms to your Dictionary once. Mumble remembers them and gets them right every time.

Dictionary
Siobhan
Client name; pronounced “shi-VAWN”.
Nguyen
Teammate’s last name.
TanStack
TypeScript router and query library.
Qwen
An open-source LLM; pronounced “chwen”.
OKR
Objectives and key results.
EBITDA
Earnings before interest, taxes, depreciation, and amortization.
Works everywhere

One shortcut, every app.

Hold your hotkey in Mail, Messages, a browser, Notes, your code editor, anywhere you can type. Clean text lands right at your cursor, no copy-paste.

Comparison

Polished like cloud. Private like local.

Cloud tools upload your voice. Most local tools stop at raw transcripts. Mumble gives you clean AI writing while keeping the whole flow on your Mac.

Other local dictation
  • Local cleanup in English only
  • Pick a language before you talk
  • Cleanup needs your own cloud key
  • Raw transcript, light on formatting
Cloud dictation
  • Free use capped by words
  • Billed every month
  • Voice goes to a server
  • Slows on a weak signal
Mumble
  • Unlimited dictation, free
  • One payment, kept for life
  • Stays on your Mac
  • Works fully offline
  • Cleanup across languages, even mixed
  • Just talk, switch languages mid-sentence
  • Built-in local LLM, no key needed
  • Clean, structured text out
Pricing

Pay once. Dictate forever.

No subscription. Unlimited words. Your voice stays on your Mac.

Free
$0

Everyday dictation, on-device, no account.

  • Unlimited dictation, no word caps
  • Transcription in 40+ languages, even mixed
  • Runs fully on your Mac, no login

Starts with 7 days of Pro.

Pro
$100$50/lifetime

The full AI layer. Pay once, use it for life.

Everything in Free, plus:

  • Local AI cleanup and formatting
  • Styles and prompts to shape output
  • Voice actions: emoji, GIF, open links
  • Personal dictionary for your terms
  • Context-aware, sharpens over time
  • Use your own AI API Keys
  • Priority support and early access

30-day money-back guarantee

FAQ

Is Mumble's dictation free?

Yes. The free tier covers unlimited dictation, on-device, with no account. Pro adds the AI layer (cleanup, formatting, styles) and is a one-time purchase.

Does my voice leave my Mac?

No. Speech recognition and the AI cleanup both run on your Mac. Nothing is uploaded, and dictation works fully offline.

How accurate is it?

Top-tier accuracy, fully on your Mac. Most local tools hand you a raw transcript; Mumble cleans the filler, fixes punctuation, and keeps it right even when you switch languages mid-sentence.

Can I mix languages?

Yes. Speak one language or switch between them inside a single sentence, with nothing to select first.

Which apps does it work in?

System-wide across macOS. Dictate into email, Slack, Notion, browsers, code editors, and any Mac app where you can type. Clean text lands right at your cursor, no copy-paste.

Can I change how my text is formatted?

Yes. While you hold the dictation key, a panel lets you pick an output: clean text, bullet points, or any custom prompt you write. A custom prompt can reshape the same words however you want, a formal email, a short message, a translation, a summary, or your own rule.

Do I need an account?

No account is needed to dictate. You only share an email if you want your download link and trial reminders.

Is it a subscription, or can I buy it once?

No subscription. Pro is a one-time purchase you keep for life, with a 30-day money-back guarantee.

What are the requirements?

Apple Silicon Mac. 24 GB of memory or more recommended; on a Mac with less, connect your own LLM with an API key and endpoint.

Comparing options? See our tested roundup of the best dictation software for Mac.

Type at the
speed you talk.

Dictate clean, formatted text into any Mac app. Keep your voice on your own device. Free during beta.