Apple Music Loudness Checker (−16 LUFS)
Check a master against Apple Music's Sound Check reference of −16 LUFS and the Apple Digital Masters −1 dBTP peak guideline.
Apple anchors lower than Spotify/YouTube: −16 LUFS. The Apple Digital Masters programme additionally checks that the AAC encode doesn't clip, which in practice means keeping true peaks at or below −1 dBTP on the PCM master.
🔒 Everything runs in your browser via the Web Audio API — your audio is never uploaded.
Check a master against Apple Music's Sound Check reference of −16 LUFS and the Apple Digital Masters −1 dBTP peak guideline.
About Apple Music Loudness Checker (−16 LUFS)
Check a master against Apple Music's Sound Check reference of −16 LUFS and the Apple Digital Masters −1 dBTP peak guideline. Apple anchors lower than Spotify/YouTube: −16 LUFS. The Apple Digital Masters programme additionally checks that the AAC encode doesn't clip, which in practice means keeping true peaks at or below −1 dBTP on the PCM master.
How to use Apple Music Loudness Checker (−16 LUFS)
- 1Drag a file onto Apple Music Loudness Checker (−16 LUFS), or click to choose one — it is analysed locally and never uploaded.
- 2Wait a moment while the tool processes the file entirely in your browser.
- 3Read the result, metrics and pass/fail verdict.
- 4Copy or export the report for your delivery, QC log or records.
Why use Apple Music Loudness Checker (−16 LUFS)?
- ✓Analyses your file entirely in your browser — it is never uploaded, so even confidential masters stay private.
- ✓Built on a published reference: Apple Digital Masters technology brief.
- ✓100% free with no sign-up, no watermark and no usage limits.
- ✓Works on any device — desktop, tablet or phone — and keeps working offline once loaded.
Frequently asked questions
What does Apple Music Loudness Checker (−16 LUFS) do?+
Check a master against Apple Music's Sound Check reference of −16 LUFS and the Apple Digital Masters −1 dBTP peak guideline. Apple anchors lower than Spotify/YouTube: −16 LUFS.
Is my file uploaded to a server?+
No. Apple Music Loudness Checker (−16 LUFS) processes your file entirely in your browser using local JavaScript and the Web platform — your media never leaves your device, so it is safe for unreleased or confidential content.
What standard or source is Apple Music Loudness Checker (−16 LUFS) based on?+
It follows Apple Digital Masters technology brief; AES TD1008. Always confirm against the current official document, as specifications and rates can change.
Is Apple Music Loudness Checker (−16 LUFS) free to use?+
Yes — it is completely free with no account, no sign-up and no usage limits. There is no watermark and no paywall.
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