Measured before and after
See the source and exported integrated loudness instead of a guessed volume change.
Browser loudness tool
Audio Normalizer
Local processingNo uploadLUFS analysis
Measure and normalize audio to a practical LUFS target, with peak protection and local browser processing.
Source audio
Choose a file
Choose a practical integrated LUFS target. Peak protection can reduce the applied gain.
Compact audio for sharing.
How it works
Three steps to finish the browser workflow.
Choose audio
Measure and normalize audio to a practical LUFS target, with peak protection and local browser processing.
Normalize audio
The tool first measures integrated loudness, applies a peak-safe gain change, exports locally, and measures the result again.
Preview and Download
Check the finished result, then download the exported file.
Everything you need
Core details about privacy, browser support, output, and practical limits before you start.
Practical LUFS presets
Choose targets for music, podcasts, or broadcast-style delivery.
Peak-safe local export
Limits gain when needed to keep the sample peak below -1 dBFS.
Frequently asked questions
Find quick answers about privacy, browser support, exports, and what to try when a file is heavy.
Related tools
Continue editing with nearby ArtPlayer tools that work with the same local, browser-first workflow.
