EBU R 128 Loudness Checker
Drop an audio file and verify it meets EBU R 128 broadcast loudness: −23 LUFS ±0.5 LU integrated, true peak ≤ −1 dBTP — measured with BS.1770-4 in your browser.
EBU R 128 is the European broadcast loudness recommendation built on ITU-R BS.1770 K-weighted measurement with gating. The ±0.5 LU window applies to final programme files; live programmes get ±1.0 LU in most national implementations.
🔒 Everything runs in your browser via the Web Audio API — your audio is never uploaded.
Drop an audio file and verify it meets EBU R 128 broadcast loudness: −23 LUFS ±0.5 LU integrated, true peak ≤ −1 dBTP — measured with BS.1770-4 in your browser.
About EBU R 128 Loudness Checker
Drop an audio file and verify it meets EBU R 128 broadcast loudness: −23 LUFS ±0.5 LU integrated, true peak ≤ −1 dBTP — measured with BS.1770-4 in your browser. EBU R 128 is the European broadcast loudness recommendation built on ITU-R BS.1770 K-weighted measurement with gating. The ±0.5 LU window applies to final programme files; live programmes get ±1.0 LU in most national implementations.
How to use EBU R 128 Loudness Checker
- 1Drag a file onto EBU R 128 Loudness Checker, 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 EBU R 128 Loudness Checker?
- ✓Analyses your file entirely in your browser — it is never uploaded, so even confidential masters stay private.
- ✓Built on a published reference: EBU R 128 (2023): Loudness normalisation and permitted maximum level.
- ✓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 EBU R 128 Loudness Checker do?+
Drop an audio file and verify it meets EBU R 128 broadcast loudness: −23 LUFS ±0.5 LU integrated, true peak ≤ −1 dBTP — measured with BS.1770-4 in your browser. EBU R 128 is the European broadcast loudness recommendation built on ITU-R BS.1770 K-weighted measurement with gating.
Is my file uploaded to a server?+
No. EBU R 128 Loudness Checker 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 EBU R 128 Loudness Checker based on?+
It follows EBU R 128 (2023): Loudness normalisation and permitted maximum level; ITU-R BS.1770-4: Algorithms to measure audio programme loudness. Always confirm against the current official document, as specifications and rates can change.
Is EBU R 128 Loudness Checker 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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