Murmur TTS

Murmur is a local-first macOS voice studio for writing, cloning, auditioning, and exporting speech on Apple Silicon. 860+ voices, 100% offline.

• Natural narration generated on-device
• Clone your voice in 10 seconds
• 860+ voices, multilingual output
• No subscriptions or per-word pricing

Turn words into professional audio — no studio needed

Whether it's a podcast, audiobook, or video narration, Murmur handles the voice so you can focus on the story.

• Stop paying per word: One purchase, unlimited generation. No subscriptions, no usage caps, no per-character fees.
• Hours of narration in minutes: Drop in a script or full book. Murmur queues chapters and renders broadcast-ready audio while you do something else.
• Your content stays yours: No cloud uploads, no third-party servers, no fine print about training on your data. Everything stays on your Mac.
• Clone your voice in 10 seconds: Record a short clip and Murmur builds a reusable voice profile. Or browse 860+ community voices for the perfect match.

Build the voice, then the whole production

One connected workflow: design a reusable voice in Voice Design, then assemble the full project around your script.