Audio to Text
Free AI Transcription
The fastest way to convert any audio recording to text. Upload your file — no account, no subscription, no waiting.
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MP3 · MP4 · WAV · M4A · OGG · WEBM · FLAC · Max 25MB
All audio formats
MP3, WAV, M4A, OGG, FLAC, WEBM — any audio file up to 25 MB.
AI-powered accuracy
Our AI is trained on hundreds of thousands of hours of multilingual audio, delivering industry-leading accuracy.
Private & secure
Your audio is never stored. Files are processed once and immediately discarded.
Frequently asked questions
What is the best free audio to text converter?
Mictoo uses AI, widely regarded as the most accurate free speech recognition model available. It supports 50+ languages and requires no account.
How accurate is audio transcription?
Our AI achieves 95%+ accuracy on clear recordings. Background noise or strong accents may reduce accuracy slightly.
What audio formats are supported?
MP3, WAV, M4A, OGG, FLAC, WEBM, MPEG. Video files (MP4) are also accepted.
How long does it take to transcribe audio?
A 10-minute recording is usually transcribed in 15–30 seconds. There is no queue — your file is processed immediately.
Can I transcribe a phone call recording?
Yes. Phone call recordings in MP3, WAV, or M4A format work well. Multi-speaker audio is transcribed as a single block of text (speaker labels require a pro tool).
Do I need to select the language?
No — language is detected automatically. If auto-detection produces poor results, you can select the language manually using the Language dropdown.
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