Your sources trust you.
Your transcription tool should too.
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 · iOS coming soon — Protect your sources
Everything you need. Nothing you don't.
One hotkey. One app. No cloud, no setup, no complexity.
Works Everywhere
100% Local
AI Cleanup
One Hotkey
Any Format
Blazing Fast
One voice note. Four formats.
Capture quotes and scenes the moment they happen. Mumbl handles the rest.
"uh just leaving city hall the mayor confirmed the budget vote is happening Thursday um she said and I'm quoting here the city cannot afford to delay this any longer and the councilmember for district four stormed out before the press conference ended"
Mayor [Name] confirmed Thursday as the date for the long-anticipated budget vote following a tense city hall appearance. "The city cannot afford to delay this any longer," she stated to reporters. The press conference concluded abruptly after the District 4 councilmember left before proceedings ended, raising questions about internal alignment ahead of the vote.
What people are saying
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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!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
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!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
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!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
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!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
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!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
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!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
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!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
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!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
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!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
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.
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.
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.
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.
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.
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.
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.
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.
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.
The problem with cloud transcription
"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.
How professionals use Mumbl
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
Your voice never leaves your device
Mumbl processes everything locally using Whisper AI. No cloud uploads. No servers. No data collection. Your words stay yours.
Simple, transparent pricing
Start free with 10 transcriptions per week. Upgrade anytime for unlimited.
10 transcriptions per week. Perfect to get started.
- 10 transcriptions per week
- All formatting styles
- 100% local processing
- No credit card required
Unlimited transcriptions. Best value.
- Unlimited transcriptions
- All formatting styles
- 100% local processing
- Priority support
Pay once, use forever. All future updates included.
- Unlimited transcriptions
- All formatting styles
- 100% local processing
- Priority support
- All future updates
Need Mumbl for your newsroom?
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.
Frequently asked questions
Can governments request my transcription data?
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.
Does it work in the field without internet?
Yes. Mumbl works completely offline. The AI model runs on your device. No internet connection needed after the initial setup. Perfect for field reporting.
How accurate is it for interviews?
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.
Ready to write faster?
Join thousands who've stopped typing and started talking. Download Mumbl for free today.
Download for FreemacOS & Windows • iOS coming soon • Free forever