Amazon Prime Video Loudness Checker
Validate against Prime Video's delivery spec: programme loudness −24 LKFS ±2 dB, true peak ≤ −2 dBTP.
Amazon's Prime Video tech spec asks for −24 LKFS ±2 dB measured over the full programme with ITU-R BS.1770, with true peaks no higher than −2 dBTP. Unlike Netflix this is not dialog-gated, so a browser BS.1770 measurement matches their QC method.
🔒 Everything runs in your browser via the Web Audio API — your audio is never uploaded.
Validate against Prime Video's delivery spec: programme loudness −24 LKFS ±2 dB, true peak ≤ −2 dBTP.
About Amazon Prime Video Loudness Checker
Validate against Prime Video's delivery spec: programme loudness −24 LKFS ±2 dB, true peak ≤ −2 dBTP. Amazon's Prime Video tech spec asks for −24 LKFS ±2 dB measured over the full programme with ITU-R BS.1770, with true peaks no higher than −2 dBTP. Unlike Netflix this is not dialog-gated, so a browser BS.1770 measurement matches their QC method.
How to use Amazon Prime Video Loudness Checker
- 1Drag a file onto Amazon Prime Video 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 Amazon Prime Video Loudness Checker?
- ✓Analyses your file entirely in your browser — it is never uploaded, so even confidential masters stay private.
- ✓Built on a published reference: Prime Video Direct / Licensing Technical Specifications (audio loudness).
- ✓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 Amazon Prime Video Loudness Checker do?+
Validate against Prime Video's delivery spec: programme loudness −24 LKFS ±2 dB, true peak ≤ −2 dBTP. Amazon's Prime Video tech spec asks for −24 LKFS ±2 dB measured over the full programme with ITU-R BS.1770, with true peaks no higher than −2 dBTP.
Is my file uploaded to a server?+
No. Amazon Prime Video 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 Amazon Prime Video Loudness Checker based on?+
It follows Prime Video Direct / Licensing Technical Specifications (audio loudness). Always confirm against the current official document, as specifications and rates can change.
Is Amazon Prime Video 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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