A motion-blurred view of colleagues collaborating around glowing computer screens in a dark workspace.

Type at the speed of sound

Write faster in every app with our private speech-to-text AI.

Talk 4x faster than you can type

Mumbly lets you work and write at the speed of sound in 100+ languages. Our reliable voice-models run privately on-device.

Choose what to read about
An abstract motion-blurred photograph of silhouettes moving through a city at night, with long horizontal streaks of light.

A spoken sentence with its uhms and repeated words struck through and taken out, above Mumbly's listening pill.

Mac apps Mumbly writes into — Notion, Cursor, Claude, Safari, Slack, Linear, Figma, Pages, iTerm, Grok — lighting up one after another above Mumbly's listening pill.

Mumbly's Dictionary window: ten saved words and names in a list, above the field for adding another.

Speak like you always do

Mumbly understands the meaning of what you say and removes pauses, uhms, filler and repetitive words.

Use it anywhere and everywhere

Runs offline and writes seamlessly in any app on your Mac. Mumbly does not need any extra plugins.

Learns your vocabulary

From company jargon, to names and clients. Mumbly learns your unique words and names and gets the details right.

Private by design

  • Your voice and transcriptions do not leave your device by default.

  • Our servers are hosted on infrastructure in the European Union. This means we are subject to strong data privacy regulations.

ROI calculator

hours
/hour

Result

Time saved per month
31.5hours
Estimated annual savings
€28,350

Assumes speaking is 4× faster than typing, across 21 working days a month.