Convert MP3 to WAV via API

Convert compressed MP3 audio to uncompressed WAV for audio editing, processing, or compatibility with tools that require PCM input.

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Loading FFmpeg engine... (~31 MB)

Use the API

curl -X POST https://renderio.dev/v1/commands \
  -H "X-API-KEY: ffsk_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
  "ffmpeg_command": "-i {in_audio} -c:a pcm_s16le -ar 44100 {out_audio}",
  "input_files": {
    "in_audio": "https://example.com/input.mp3"
  },
  "output_files": {
    "out_audio": "output.wav"
  }
}'

Need an API key? Get your free API key to start processing files programmatically.

Common Variations

48kHz for professional workflows

-i input.mp3 -c:a pcm_s16le -ar 48000 output.wav

24-bit depth

-i input.mp3 -c:a pcm_s24le -ar 44100 output.wav

Mono output

-i input.mp3 -ac 1 -c:a pcm_s16le -ar 44100 output.wav

Related Operations

Convert WAV to MP3 via API | RenderIO Convert MP4 to WAV via API | RenderIO Convert AAC to MP3 via API | RenderIO Convert FLAC to MP3 via API | RenderIO

Need to process at scale?

Automate this with the RenderIO FFmpeg API. Process thousands of files programmatically or through no-code video automation.

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