Audio Normalizer

LUFS metering & normalizing

Only for Mac

$5.99

Mac

Audio Normalizer measures and normalizes audio files to your reference loudness level — per the ITU-R BS.1770-4 standard, with true-peak limiting. Your files never leave your Mac. A focused app for a technically demanding task. CORE FEATURES • LUFS metering per ITU-R BS.1770-4 (integrated loudness and peak level) • Automatic normalization to Apple Podcasts (−16 LUFS) or any custom target • Batch processing of entire folders with persistent queue • Watch folders: new files are normalized automatically • System notifications when a batch completes • Four presets: Spotify/YouTube (−14), Apple Podcasts (−16), ACX (−20), EBU R128 (−23) EVERYWHERE IN THE SYSTEM • AppleScript: Script Editor, Automator, third-party apps • Finder Service: right-click any audio file → Normalize • Siri Shortcuts: voice control and workflow automation SUPPORTED FORMATS • Input: WAV, MP3, FLAC, M4A, AIFF • Output: WAV (lossless), M4A (compressed) 39 LANGUAGES Fully localized interface, live-switchable in the settings. PRIVATE, SAFE, OPEN • Fully sandboxed (App Store standard) • No data collection, no trackers, no analytics • No ads, no subscriptions — one-time purchase • Security-scoped bookmarks for persistent folder access REQUIREMENTS macOS 14.0 Sonoma or newer · Universal (Apple Silicon and Intel)

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Minor bug fixes Normalized files used to come out unnecessarily large — this is fixed. Lossless formats are unchanged: WAV and AIFF

The developer, Henry Bauer, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Henry Bauer
    Size
    • 5.4 MB
    Category
    • Music
    Compatibility
    Requires macOS 14.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    Languages
    English and 38 more
    • English, Arabic, Belarusian, Bulgarian, Croatian, Czech, Danish, Dutch, Estonian, Finnish, French, German, Greek, Hindi, Hungarian, Icelandic, Indonesian, Irish, Italian, Japanese, Korean, Latvian, Lithuanian, Maltese, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Serbian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian, Welsh
    Age Rating
    4+
    Copyright
    • © 2026 Henry Bauer