Professional two-pass LUFS normalization in your browser with integrated loudness analysis, true-peak ceiling, loudness-range target, broadcast/podcast presets, dual-mono handling, batch processing and final verification — completely free.
Measure before changingSee integrated LUFS, true peak, LRA and threshold first.
True two-pass normalizationMeasured values feed the final render instead of guessing gain.
Measure again after exportThe delivered file is re-analyzed before download.
Loudness queue0 / 8
Professional two-pass loudness workflow: measure first, then render using the measured integrated loudness, true peak, loudness range, threshold and target offset. Output is measured again before download.
Add audio to begin.
WaveformSource stays on this device
Loudness engineerAnalyze a file to see its measured LUFS, true peak and loudness range before normalization.