iHeartRadio Loudness Checker
Check streamed-radio audio against iHeartRadio's ≈−14 LUFS normalization and −1 dBTP ceiling.
iHeartRadio streams a normalized signal so listeners don't get level jumps between songs and stations. As with all streaming radio, your master's absolute loudness is overridden — mix for translation, not for level.
🔒 Everything runs in your browser via the Web Audio API — your audio is never uploaded.
Check streamed-radio audio against iHeartRadio's ≈−14 LUFS normalization and −1 dBTP ceiling.
About iHeartRadio Loudness Checker
Check streamed-radio audio against iHeartRadio's ≈−14 LUFS normalization and −1 dBTP ceiling. iHeartRadio streams a normalized signal so listeners don't get level jumps between songs and stations. As with all streaming radio, your master's absolute loudness is overridden — mix for translation, not for level.
How to use iHeartRadio Loudness Checker
- 1Drag a file onto iHeartRadio 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 iHeartRadio Loudness Checker?
- ✓Analyses your file entirely in your browser — it is never uploaded, so even confidential masters stay private.
- ✓Built on a published reference: AES TD1008.
- ✓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 iHeartRadio Loudness Checker do?+
Check streamed-radio audio against iHeartRadio's ≈−14 LUFS normalization and −1 dBTP ceiling. iHeartRadio streams a normalized signal so listeners don't get level jumps between songs and stations.
Is my file uploaded to a server?+
No. iHeartRadio 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 iHeartRadio Loudness Checker based on?+
It follows AES TD1008. Always confirm against the current official document, as specifications and rates can change.
Is iHeartRadio 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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