Local TTS
Offline text to speech for Mac creators
Murmur turns scripts, chapters, and client drafts into finished audio on your Mac, without uploading text or paying by the character.
Free plan with Kokoro voices, 3,000 characters a day · 3-day Pro trial, then $49 once
Voice sample
Hear English narration generated in Murmur
Sample 1 of 2
"The room was quiet enough to hear the page turn, and the story moved at its own pace."
Source: Murmur audio sample
offline text to speech Mac
Murmur runs locally on Apple Silicon and Intel Macs and on 64-bit Windows 10 and 11 as a beta. The Mac app adds projects, a batch queue, community voices, and automation.
- Runs locally on Apple Silicon and Intel
- No monthly subscription
- Voice cloning from a short sample
- Unlimited generation after setup
01 · Context
Why offline TTS matters
Cloud voice tools are convenient until the script is private, the project is long, or the invoice keeps growing. Offline text-to-speech changes the workflow. You can draft, regenerate, and export without sending every revision to a remote service.
Murmur is built for that Mac-first loop. Paste a script, pick a voice, preview the result, and export audio from the same machine where you write and edit.
02 · Highlights
Where a local Mac voice app wins
Offline generation is most useful when the work is repeated, private, or hard to price with credits.
Client scripts
Keep unreleased copy and customer material on your machine while you audition voices and revise lines.
Audiobooks and courses
Generate chapters and lessons without watching a character meter or waiting on a browser dashboard.
YouTube and podcast narration
Create repeatable voiceovers for weekly publishing, then export files for your editor.
Voice cloning
Use a short reference sample to create a local voice profile for projects that need a consistent identity.
03 · Context
Offline does not mean limited
Murmur includes multiple local models because no single TTS engine is best for every job. Use a fast voice for drafts, a narration voice for long listening, and expressive models when the read needs more personality.
That model choice matters more than a big generic voice count. The useful setup is the one that lets you hear options quickly, keep the winner, and regenerate weak sections without worrying about credits.
04 · Workflow
A simple local workflow
For many creators, the point is control. Your text stays local, the cost stays predictable, and the voice workflow stays close to the rest of your production stack.
FAQ
Common questions
After the app and selected models are installed, Murmur is designed to generate audio locally on your Mac without sending scripts to a cloud voice service.
macOS · Local TTS
Generate voiceovers locally on your Mac
Murmur gives Mac creators offline text-to-speech, voice cloning, 860+ voices, and unlimited generation for a one-time price.