Audio Loudness Normalizer

Run EBU R128 loudness normalization and generate waveforms.

Get broadcast-ready audio levels. Extract audio, run EBU R128 loudness normalization, generate waveform peaks, and compute Chromaprint fingerprints — ideal prep for podcasts and video, all in the browser.

  • EBU R128 loudness normalization
  • Audio extraction from media files
  • Waveform peak generation
  • Chromaprint audio fingerprinting
  • Browser-based with no upload
chayprabs/audio-loudnorm-onlineFull source code, issues, and releasesOpen →

Spotted a bug or have an idea?

This tool is built in the open and shaped by feedback. If something feels off — or you want a feature — I read every message.