Mozilla TTS
Don’t want to install Mozilla TTS? 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Mozilla's archived TTS — historical reference.
Best for historical reference; superseded by Coqui TTS. Pricing: free.
What it is
Mozilla's original TTS repo. MPL-2.0.
Watch out for: Archived.
Install / use
git clone https://github.com/mozilla/TTSWhat people actually do with Mozilla TTS-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 | Yes |
| Streaming / real-time | No |
| Languages supported | 2 |
| HIPAA eligible | No |
Links
Mozilla TTS vs Whipscribe
| Feature | Mozilla TTS | 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 | Yes | Yes |
| Streaming | No | No |
| Languages | 2 | 99 |
| Platforms | Linux | Web, API, MCP |
Alternatives to Mozilla TTS
Frequently asked about Mozilla TTS
Is Mozilla TTS free?
Yes. Mozilla TTS is free and open source.
Does Mozilla TTS work on Mac, Windows and Linux?
Mozilla TTS runs on Linux. It is not listed for other platforms; check the vendor for anything beyond Linux.
How do I install Mozilla TTS?
Clone and run it from source: `git clone https://github.com/mozilla/TTS`. Expect to install its dependencies yourself — the README has the exact steps per OS.
How many languages does Mozilla TTS support?
Mozilla TTS lists 2 languages.
Does Mozilla TTS identify different speakers?
No. Mozilla TTS 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 TTS give word-level timestamps?
Yes — Mozilla TTS produces timing per word, which is what subtitle cues and clip boundaries need.
Can Mozilla TTS transcribe live audio?
No — Mozilla TTS works on finished files, not a live stream.
Is Mozilla TTS HIPAA compliant?
Mozilla TTS 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 TTS?
Archived.
Who is Mozilla TTS best for?
Historical reference; superseded by Coqui TTS.
Does Mozilla TTS run offline?
Mozilla TTS runs on your own machine — it is open source, so nothing leaves the computer unless you configure it to.
Can I use Mozilla TTS in the browser?
No — Mozilla TTS is a Linux application, not a web app. You install it rather than sign in to it.
Where is the Mozilla TTS source code?
On GitHub at github.com/mozilla/TTS.
What kind of tool is Mozilla TTS?
In this directory Mozilla TTS is filed under tts, legacy as a open-source tool.
What are the alternatives to Mozilla TTS?
There is a side-by-side page at /tools/mozilla-tts-alternatives comparing Mozilla TTS with the closest tools in the same category on price, platform and features.
Whipscribe is a hosted transcription service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.
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