None of the top 5 transcription services offer transparency reports. Rev sends files to 60,000+ freelancers. Cloud services can't guarantee governments won't request your data. Mumbl keeps your recordings on your device where they belong.
macOS & Windows — Protect your sources
"If your audio, in the wrong hands, could put people at risk." — Freedom of the Press Foundation on cloud transcription.
Rev employs 60,000+ freelance transcriptionists who can access your files. In 2019, a transcriptionist was documented examining sensitive prisoner interview data.
None of the top 5 transcription services reviewed by Freedom of the Press offer transparency reports.
Mumbl processes everything locally. There are no servers to subpoena, no employees who can access your files, no data to hand over.
Hold down Option + Space
Or customize your own hotkey
Talk naturally
Say what you're thinking, ramble, use filler words. Mumbl cleans it all up.
Release
AI formats it instantly in your chosen style and pastes it wherever your cursor is.
Dictate field notes and observations between interviews
Draft article outlines by speaking ideas immediately after reporting
Capture source quotes and context while details are fresh
Write story pitches and editorial emails 3x faster
Mumbl processes everything locally using Whisper AI. No cloud uploads. No servers. No data collection. Your words stay yours.
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
Source protection isn't optional. Mumbl is the only transcription tool where the audio truly never leaves my laptop. I use it for every sensitive interview now.
I file two to three stories a day. Mumbl lets me dictate notes right after an interview and get clean copy in seconds. It's cut my writing time by at least a third.
I covered a story with a confidential source who could face real danger if exposed. Mumbl runs completely on my machine. My editor required it.
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
Source protection isn't optional. Mumbl is the only transcription tool where the audio truly never leaves my laptop. I use it for every sensitive interview now.
I file two to three stories a day. Mumbl lets me dictate notes right after an interview and get clean copy in seconds. It's cut my writing time by at least a third.
I covered a story with a confidential source who could face real danger if exposed. Mumbl runs completely on my machine. My editor required it.
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
Source protection isn't optional. Mumbl is the only transcription tool where the audio truly never leaves my laptop. I use it for every sensitive interview now.
I file two to three stories a day. Mumbl lets me dictate notes right after an interview and get clean copy in seconds. It's cut my writing time by at least a third.
I covered a story with a confidential source who could face real danger if exposed. Mumbl runs completely on my machine. My editor required it.
Start free with 10 transcriptions per week. Upgrade anytime for unlimited.
10 transcriptions per week. Perfect to get started.
Unlimited transcriptions. Best value.
Pay once, use forever. All future updates included.
Deploy across your newsroom with per-seat licensing. Each installation runs independently on the journalist's device. No shared servers, no centralized data store, no source protection risk.
Not from Mumbl. There is no server, no cloud storage, and no company database holding your transcriptions. Your audio is processed on your device and the text goes wherever your cursor is. We have nothing to hand over.
Yes. Mumbl works completely offline. The AI model runs on your device. No internet connection needed after the initial setup. Perfect for field reporting.
Mumbl uses OpenAI's Whisper model, trained on 680,000 hours of multilingual audio. It handles accents, background noise, and domain-specific vocabulary well. For best results, speak your notes clearly after the interview.
Download Mumbl for free. Your voice stays on your device.
Download for FreemacOS & Windows — Free forever — No credit card