Audio File Inspector
Check a local audio file's format and technical metadata. Your file stays in your browser; no upload or account is required.
Drop your MP3, FLAC or WAV file here
Basic M4A/MP4 and Ogg recognition. Maximum file size 100 MiB.
Read-only prototype. These results do not guarantee compatibility with any playback device.
What does it check?
MP3 ID3 tag version, FLAC STREAMINFO, WAV encoding and common container signatures. MP3 bitrate is sampled from the first valid MPEG audio frame and may not reflect the average of a variable-bit-rate file.
Missing song titles on a Walkman?
Some models handle ID3 tag versions differently. Read our Walkman troubleshooting guide for a careful diagnostic process.