Audio File Header Inspector

Read container and codec header fields from a local file. Audio samples are never decoded or played.

Choose a WAV, RF64, AIFF, AIFC, FLAC, or MP3 file
Maximum 128 MiB. Processing stays in this browser.

This is a structural inspection, not a conformance or authenticity test. Duration for MP3 is an estimate from the first MPEG frame bitrate unless a usable frame count is present.

Header summary

Metadata and structure

Field	Value

Audio File Header Inspector

Header summary

Metadata and structure

Warnings

First 256 bytes