Tags, fields, and cover art
WAV INFO tags, broadcast extension, production XML, XMP, and ID3, and M4A tags, cover art, and purchase details are listed with their real values.
WAV · M4A · Read-only inspection
Audio Metadata Viewer for WAV and M4A Files
Check what a recording or music file says about you before you share it: artist and comments, the software used, dates, broadcast and production fields, embedded cover art, and the Apple ID on a store-bought file. This viewer only reads the file; nothing is changed.
No uploadRead only Free
No uploadsNo sign-upOriginal files stay untouchedRead-only: nothing is changed
What happens locally
A readable report, not a black box.
Read-only by design
The file is only read. It is not re-saved, converted, or changed in any way, and the audio is never decoded or played.
Private local inspection
Everything happens in your browser. Nothing is uploaded, and no account is needed.
Important limit
This page shows metadata only; it does not describe the sound itself. Copy-protected .m4p files, Apple Lossless (ALAC) and other non-AAC M4A audio, RF64 WAV files over 4 GB, and streamed or truncated WAV files are not supported. An empty report does not prove a file is free of hidden information.
Questions & boundaries
Know exactly what the report means.
File formats are messy. These answers describe the supported behavior of this version—not a promise that every trace everywhere has disappeared.
01How do I see the metadata of a WAV file?+
Choose the file on this page. It lists the INFO tags, broadcast extension, XML, XMP, ID3 tag, cue labels, and any leftover data it finds, with their values. Nothing is uploaded or changed.
02Can I check the cover art and tags in an M4A file?+
Yes. The embedded cover image is listed with its type and size, along with the title, artist, album, comments, dates, and any purchase details such as the Apple ID of the buyer.
03What about MP3 files?+
MP3 has its own viewer that reads ID3, APEv2, and Lyrics3 tags. Use the MP3 metadata checker for those files.
04Is my file uploaded?+
No. The file is read inside your browser. You can confirm this in the Network panel of your browser's developer tools.
05How do I remove what I find?+
Use the WAV or M4A metadata remover. They show the same list with a checkbox for each field, let you choose what to remove, and verify that the audio is unchanged.
Guides and comparisons
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