Audio to Text Converter

Convert speech to text with our advanced AI transcription service. Perfect for transcribing meetings, podcasts, interviews, and voice memos.

Upload Audio File
MP3, WAV, M4A, OGG
AI-Powered Whisper
OpenAI's Whisper model
Timestamps Available
Segment-level timing
Audio to Text Transcriber
Upload Your Audio File

Click to browse or drag & drop your audio file

Supports: MP3, WAV, M4A, OGG, WebM
Get segment-level timing information
How to Use
Upload Methods
  • Drag & Drop: Simply drag your audio file into the upload area
  • Click to Browse: Click the upload area to select files
  • Audio URL: Paste a direct link to an online audio file
Best Results Tips
  • Use clear, high-quality audio recordings
  • Minimize background noise
  • Single speaker works better than multiple speakers
  • English content typically has higher accuracy
Technology

Audio-to-text transcription is powered by OpenAI's Whisper distil-small.en model running via sherpa-onnx with INT8 quantization for efficient processing. The model automatically handles chunking for long audio files and provides segment-level timestamps.

  • Model: Whisper distil-small.en (244M parameters, quantized to INT8)
  • Framework: sherpa-onnx for efficient ONNX runtime inference
  • Audio processing: Automatic conversion to 16kHz mono WAV
  • Chunking: Automatic handling of long audio with overlap
View whisper-small Space Whisper Model