Spotify Loudness Checker (−14 LUFS)
See how Spotify will normalize your master: reference −14 LUFS, recommended true peak ≤ −1 dBTP (−2 dBTP if your master is louder than −14).
Spotify's normalization reference is −14 LUFS (album-mode uses the loudest track of the album). 'Compliance' here means your playback level won't be turned down; many genres still master louder deliberately — the FAIL is informational, not a rejection.
🔒 Everything runs in your browser via the Web Audio API — your audio is never uploaded.
See how Spotify will normalize your master: reference −14 LUFS, recommended true peak ≤ −1 dBTP (−2 dBTP if your master is louder than −14).
About Spotify Loudness Checker (−14 LUFS)
See how Spotify will normalize your master: reference −14 LUFS, recommended true peak ≤ −1 dBTP (−2 dBTP if your master is louder than −14). Spotify's normalization reference is −14 LUFS (album-mode uses the loudest track of the album). 'Compliance' here means your playback level won't be turned down; many genres still master louder deliberately — the FAIL is informational, not a rejection.
How to use Spotify Loudness Checker (−14 LUFS)
- 1Drag a file onto Spotify Loudness Checker (−14 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 Spotify Loudness Checker (−14 LUFS)?
- ✓Analyses your file entirely in your browser — it is never uploaded, so even confidential masters stay private.
- ✓Built on a published reference: Spotify for Artists: Loudness normalization documentation.
- ✓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 Spotify Loudness Checker (−14 LUFS) do?+
See how Spotify will normalize your master: reference −14 LUFS, recommended true peak ≤ −1 dBTP (−2 dBTP if your master is louder than −14). Spotify's normalization reference is −14 LUFS (album-mode uses the loudest track of the album).
Is my file uploaded to a server?+
No. Spotify Loudness Checker (−14 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 Spotify Loudness Checker (−14 LUFS) based on?+
It follows Spotify for Artists: Loudness normalization documentation. Always confirm against the current official document, as specifications and rates can change.
Is Spotify Loudness Checker (−14 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.
Related Broadcast tools
Shutter Angle Calculator
Convert shutter angle to shutter speed at any frame rate — the 180° rule and its exceptions, for cinema cameras that think in degrees.
● LiveFlicker-Free Shutter Calculator
Check whether your shutter speed will band under 50 Hz or 60 Hz mains lighting, and get the flicker-safe shutter speeds for your region.
● LiveCamera Battery Runtime Calculator
How long will a V-mount or NP-F battery power your rig? Watt-hours ÷ camera draw → runtime, plus how many batteries a shoot day needs.
● Live