Normalize Audio via API

Scale audio to a target peak or RMS loudness level. Bring quiet recordings up to standard levels without clipping. Peak and loudness modes with configurable target dB.

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3 Credits per request

6 Input formats

10 MB Max file size

Uneven audio in, consistent audio out

Terminal

$ curl -X POST "https://qkconvert.dev/api/v1/audio/normalize" \
  -H "Authorization: Bearer sk_live_..." \
  -F "file=@interview.mp3" \
  -o interview-normalized.mp3

# 200 OK - 220ms - peak normalized to -1.0 dBFS

Supported audio formats

Input: MP3, WAV, FLAC, OGG, AAC, AIFF. Output: MP3, WAV, FLAC.

MP3 WAV FLAC OGG AAC AIFF

Start normalizing audio in seconds

Free tier includes 500 credits per month. No credit card required.

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