Audio / Batch
Batch Loudness Normalizer
Levels multiple audio files to the same target loudness and saves them individually or as ZIP.
Use this toolYour audio is never uploaded. Analysis, processing, and WAV export all happen in your browser.
WAV / MP3 / M4A etc. — 2–10 files, up to 250MB and 10 min each
Drop your audio files here
or click to choose 2–10 files
Gentle processing that keeps the original tone is applied to every file
Press "Preview" in the list
Preview the processed audio and save it
Press "Preview" in the list