Voxtral

Voxtral is a free, open-source audio-to-text transcription platform developed in France, offering instant conversion of MP3, WAV, M4A, AAC, and video files into accurate text without requiring any account or payment.

What is Voxtral?

Voxtral is a free, open-source speech recognition platform created by a French developer community. It takes audio files (MP3, WAV, M4A, AAC, up to 100 MB) as input and outputs accurate text transcriptions. The platform runs entirely in the browser via a cloud-native architecture, supporting over 100 languages with a claimed 99% precision rate. It is designed to be accessible to everyone without registration or fees.

Key Features

• Open-source and community-driven — Voxtral's code is openly available, allowing collaborative development and transparent algorithms.
• 99% transcription accuracy — The platform achieves high precision across diverse languages and accents.
• 100+ language support — Automatic language detection and transcription for a wide range of global languages.
• Universal audio format support — Accepts MP3, WAV, M4A, AAC, and common video formats like MP4, AVI, MOV.
• 100 MB file size limit — Transcribes files up to 100 MB without needing an account.
• Instant processing — Real-time speech-to-text conversion with minimal latency.
• Privacy-first design — Files are processed with military-grade encryption and zero-retention policies; they are never stored permanently.
• No account required — Users can upload and transcribe immediately without sign-up.

Who is it for?

• Students — Transcribe lecture recordings or study materials quickly without cost.
• Journalists — Convert interview audio into searchable text for faster story development.
• Content creators — Generate subtitles or captions for videos in multiple languages.
• Business professionals — Document meeting recordings or conference calls with accurate textual records.

Use cases

• Academic research: Linguists and researchers can transcribe field recordings or interview data for analysis, benefiting from the open-source transparency to understand the algorithms.
• Global communication: International teams can transcribe multilingual audio content, such as customer support calls or training materials, to improve accessibility and collaboration.
• Media production: Podcast and video producers can generate transcripts for show notes, SEO optimization, or accessibility compliance without outsourcing.

How does Voxtral work?

1. Upload audio — Drag and drop or select an audio or video file (up to 100 MB) from your device. Supported formats include MP3, WAV, M4A, AAC, MP4, AVI, MOV.
2. Automatic processing — Voxtral's neural networks analyze the speech patterns and convert the audio into text. Language is auto-detected.
3. Retrieve transcription — The completed text is displayed instantly. Users can copy, export, or edit the transcript.

Pros and cons

Pros:

• Completely free with no usage limits or hidden charges.
• Open-source code allows verification and customization.
• Supports a vast number of languages and file formats.
• No registration or personal data required. Cons:
• File size limited to 100 MB, which may not accommodate very long recordings.
• Accuracy may vary with heavy accents or low-quality audio.

Pricing

Voxtral is entirely free to use with no paid tiers or subscriptions. The platform is "forever open" and community-supported.

FAQ

Is Voxtral really free?

Yes, Voxtral is completely free with no costs, registrations, or limitations on the number of transcriptions. The project is open-source and community-driven.

What audio formats does Voxtral support?

Voxtral accepts MP3, WAV, M4A, AAC, and common video formats like MP4, AVI, and MOV. The maximum file size is 100 MB.

Does Voxtral store my audio files?

No. Voxtral processes files with encryption and zero-retention policies. Audio is not stored permanently; transcripts are generated and made available only to the user during the session.

How accurate is Voxtral?

Voxtral claims 99% precision across over 100 languages. Accuracy depends on audio quality, clarity, and background noise.

Can I use Voxtral on mobile devices?

Yes, the platform is cloud-native and works on desktop, tablet, and mobile browsers through its optimized interface.