Speech to Text Converter

Free, Local & Private - Powered by OpenAI Whisper AI

Transform audio into accurate text transcriptions in 96+ languages. No API costs, completely private, runs locally on your device.

Upload and Transcribe Audio

Drop audio file here or click to browse
MP3, WAV, M4A, WebM, OGG, FLAC (max 25MB)
Using Whisper Small model (244M parameters) - Optimal balance of speed and accuracy
Transcribing audio...
Transcription Result

How It Works

Our speech-to-text converter uses OpenAI's Whisper AI model to deliver accurate transcriptions in just 4 simple steps:

1
Upload Audio
Drag & drop or click to select your audio file (MP3, WAV, M4A, etc.)
2
Start Transcription
Click "Transcribe Audio" to process your file using AI
3
Wait for Processing
The AI analyzes your audio (usually 30-90 seconds)
4
Copy Your Text
Get your transcription and copy it to clipboard

Key Features & Technical Specifications

🌍

96+ Languages Supported

Automatic language detection with support for English, Spanish, French, German, Chinese, Japanese, and 90+ more languages

🔒

100% Private & Secure

All processing happens locally on your device. Your audio never leaves your computer, ensuring complete privacy

💰

Completely Free Forever

No API costs, no subscriptions, no hidden fees. Unlimited transcriptions at zero cost

Fast Processing Speed

Whisper Small model (244M parameters) delivers results in 30-90 seconds for 5-minute audio files

🎯

95%+ Accuracy Rate

Industry-leading transcription accuracy powered by OpenAI's state-of-the-art Whisper model

📁

Multiple Format Support

Compatible with MP3, WAV, M4A, WebM, OGG, FLAC, and MP4 audio (up to 25MB)

Who Uses Speech-to-Text Transcription?

Our free transcription tool is perfect for professionals, creators, and anyone who needs to convert audio to text:

🎙️
Podcasters & Content Creators
Create show notes, blog posts, and SEO-friendly transcripts from podcast episodes and YouTube videos
📰
Journalists & Writers
Transcribe interviews, press conferences, and audio recordings quickly and accurately
🎓
Students & Researchers
Convert lecture recordings, seminars, and research interviews into searchable text notes
💼
Business Professionals
Transcribe meetings, calls, presentations, and webinars for documentation and compliance
⚖️
Legal & Medical Fields
Secure, private transcription for confidential case notes, depositions, and patient consultations
Accessibility Services
Create subtitles, captions, and text alternatives for hearing-impaired individuals

OpenAI Whisper vs Other Transcription Services

See how our free local Whisper solution compares to popular paid transcription services:

Feature Our Tool (Whisper) Rev.com Otter.ai Google Cloud
Cost FREE $1.50/min $10-30/month $0.006/15sec
Privacy 100% Local Cloud Cloud Cloud
Languages 96+ 31 English only 125+
Usage Limits Unlimited Pay per use 600 min/month Pay per use
Accuracy 95%+ 99% (human) 90-95% 90-95%
Processing Speed 30-90 sec 12+ hours Real-time Real-time
Setup Required One-time None None API setup

Frequently Asked Questions

Is this speech-to-text service free?
Yes, this is completely free with no hidden costs. It uses OpenAI's Whisper model running locally on your server, so there are no API costs, subscription fees, or usage limits. You can transcribe unlimited audio files at no charge.
How many languages are supported?
The service supports 96+ languages including English, Spanish, French, German, Chinese, Japanese, Korean, Arabic, Hindi, Portuguese, Russian, Italian, Dutch, Polish, Turkish, and many more. The AI automatically detects the language in your audio file.
Is my audio data private and secure?
Yes, all processing is done locally on your server. Your audio files never leave your device or get uploaded to any cloud service, ensuring complete privacy and data security. This is perfect for confidential meetings, medical transcriptions, legal documents, or any sensitive audio content.
What audio formats are supported?
Supported formats include MP3, WAV, M4A, WebM, OGG, FLAC, and MP4 audio tracks. The maximum file size is 25MB. Most common audio formats from voice recorders, smartphones, and recording software are compatible.
How accurate is the transcription?
The service uses OpenAI's Whisper Small model with 244 million parameters, achieving 95%+ accuracy on clear audio. Accuracy depends on audio quality, background noise, accents, and speaking clarity. The model provides an optimal balance between speed and quality for most use cases.
How long does transcription take?
Processing time varies by file size and server load, but typically takes 30-90 seconds for a 5-minute audio file. The Whisper Small model is optimized for speed while maintaining high accuracy.
Can I use this for commercial purposes?
Yes, you can use the transcriptions for any purpose including commercial projects, content creation, business meetings, podcasts, YouTube videos, educational content, and more. There are no licensing restrictions on the output.
What's the difference between this and paid services like Rev or Otter.ai?
Unlike paid services, this tool is completely free with no subscription required. It runs locally ensuring privacy, has no usage limits, and uses the same OpenAI Whisper technology that powers many commercial services. The tradeoff is that you run it yourself rather than having a managed cloud service.