Free AI Audio to Text

100% free AI speech-to-text transcription. Convert MP3, WAV, M4A to text. Long audio supported with async processing. No registration required.

✓ Youdao long-form AI speech engine✓ Supports MP3, WAV, M4A formats✓ Async processing for long audio✓ Real-time task status display

Upload Audio

MP3 / WAV / M4A / AAC · max 30MB

Drag audio here or tap to select

Supports MP3/WAV/M4A/AAC, max 30MB

Transcription Result

AI-transcribed text (long audio may take several minutes)

Support

Frequently Asked Questions

We support MP3, WAV, M4A, and AAC formats. Maximum file size is 30MB (roughly 30–60 minutes of audio).
It depends on the audio length. Short audio files complete quickly, while longer files use async processing.
Files are transmitted over SSL encryption and automatically deleted after processing.

Quick start

How to Use Audio to Text

1

Upload Audio

Upload your MP3, WAV, or M4A audio file.

2

Speech Recognition

Our AI speech engine submits a transcription job and processes the audio.

3

Review Transcription

Review the transcribed text when the job succeeds.

4

Download

Copy or download the transcription as TXT or Word.

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About this tool · AI Tools

Free online audio to text: how Free AI Audio to Text works

Free AI Audio to Text on TextExtraction.online is a free audio to text tool for speech to text, transcribe audio, audio transcription. 100% free AI speech-to-text transcription. Convert MP3, WAV, M4A to text. Long audio supported with async processing. No registration required. AI processing runs securely for the job; files are not kept as permanent storage on this platform.

Why use this free audio to text tool?

  • Youdao long-form AI speech engine
  • Supports MP3, WAV, M4A formats
  • Async processing for long audio
  • Real-time task status display
  • No registration required for standard use — open the page and start immediately.
  • Works on phone, tablet, and desktop modern browsers with a mobile-friendly layout.

When to use Free AI Audio to Text

Choose Free AI Audio to Text when you need a free online audio to text workflow without installing desktop software. AI OCR and speech tools are ideal for scanned documents, screenshots, photos of text, and audio recordings. For more free OCR and document tools, return to the TextExtraction homepage.