Mozilla Common Voice
Don’t want to install Mozilla Common Voice? Drop the file here.
The first 20 minutes of any recording are transcribed free: a recording up to 20 minutes transcribes in full, a longer one is previewed, and a pack from $6 (500 minutes) transcribes the rest and opens every export, and credits never expire.
Mozilla Common Voice — public-domain multilingual speech corpus that powers many regional STT models.
Best for researchers and teams training low-resource language ASR from a public-domain corpus. Pricing: free.
What it is
Common Voice is Mozilla's crowdsourced, CC0-licensed multilingual speech corpus, now covering 100+ languages including many African, Indic, and minority European languages that commercial STT vendors skip. Common Voice is the dataset behind a long tail of regional ASR models published on Hugging Face — not a recognition product itself, but a load-bearing input for every team building one. Best fit when the buyer is researchers and teams training low-resource language asr from a public-domain corpus. The honest caveat: it is a dataset, not a recognition product; consent and quality vary across language splits. As with any open-weights release, the integrator owns hosting, scaling, and SLA — but the licensing cost is zero and the model can be fine-tuned on in-house audio.
Watch out for: It is a dataset, not a recognition product; consent and quality vary across language splits.
Install / use
commonvoice.mozilla.org — download CC0 dataset by language
What people actually do with Mozilla Common Voice-style transcription
The tool is the means. These are the jobs — each one priced at published rates, each one wired up on its own page.
Features
| Speaker diarization | No |
| Word-level timestamps | No |
| Streaming / real-time | No |
| Languages supported | 100 |
| HIPAA eligible | No |
Links
Mozilla Common Voice vs Whipscribe
| Feature | Mozilla Common Voice | Whipscribe |
|---|---|---|
| Category | Open source | Transcription APIs |
| Pricing | free | $6–$24 one-time packs (credits never expire) · first 20 minutes free |
| Speaker identification | No | Named in the summary, key quotes and chapters |
| Word timestamps | No | Yes |
| Streaming | No | No |
| Languages | 100 | 99 |
| Platforms | Web | Web, API, MCP |
Alternatives to Mozilla Common Voice
Frequently asked about Mozilla Common Voice
Is Mozilla Common Voice free?
Yes. Mozilla Common Voice is free and open source.
Does Mozilla Common Voice work on Mac, Windows and Linux?
Mozilla Common Voice runs in the browser, so it works on any desktop OS with a modern browser, and on phones and tablets.
How do I get started with Mozilla Common Voice?
There is nothing to install — Mozilla Common Voice is used in the browser. Create an account on the vendor's site and upload or connect your audio.
How many languages does Mozilla Common Voice support?
Mozilla Common Voice lists 100 languages. That is the Whisper-family multilingual set, so quality varies by language — English and the large European languages are strongest.
Does Mozilla Common Voice identify different speakers?
No. Mozilla Common Voice does not label speakers; a conversation comes back as one continuous text. If you need speaker labels, that is a separate tool or a different service.
Does Mozilla Common Voice give word-level timestamps?
No — Mozilla Common Voice produces segment or sentence timing only, so subtitle cues can land mid-word.
Can Mozilla Common Voice transcribe live audio?
No — Mozilla Common Voice works on finished files, not a live stream.
Is Mozilla Common Voice HIPAA compliant?
Mozilla Common Voice does not claim HIPAA compliance. For PHI, run it on infrastructure you control or choose a service that will sign a BAA.
What are the limitations of Mozilla Common Voice?
It is a dataset, not a recognition product; consent and quality vary across language splits.
Who is Mozilla Common Voice best for?
Researchers and teams training low-resource language ASR from a public-domain corpus.
Does Mozilla Common Voice run offline?
Mozilla Common Voice runs on your own machine — it is open source, so nothing leaves the computer unless you configure it to.
Is there a Mozilla Common Voice desktop app?
No — Mozilla Common Voice is browser-only. There is nothing to install and nothing runs on your machine.
Where is the Mozilla Common Voice source code?
On GitHub at github.com/common-voice/common-voice. It is maintained by Mozilla Foundation.
What kind of tool is Mozilla Common Voice?
In this directory Mozilla Common Voice is filed under dataset, regional africa, regional europe as a open-source tool.
What are the alternatives to Mozilla Common Voice?
There is a side-by-side page at /tools/mozilla-common-voice-alternatives comparing Mozilla Common Voice with the closest tools in the same category on price, platform and features.
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