Inspect an audio file. Audio Metadata Viewer is a free online tool from the ToolsRift Audio Tools collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.
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How to use Audio Metadata Viewer
Select an audio file and its technical properties are listed immediately after decoding. WAV files additionally show the bit depth and PCM format read from the header.
Frequently asked questions
Why is the bitrate an estimate?
For compressed formats the tool divides the file size by the duration, which gives the true average bitrate but cannot distinguish constant from variable bitrate encoding. Container overhead and embedded artwork also nudge the figure slightly.
Why is bit depth only shown for WAV files?
The Web Audio API always hands back 32-bit float samples regardless of the source, so the original bit depth is lost during decoding. For WAV the tool reads the RIFF header directly and reports the real stored bit depth and PCM format.
Does this read ID3 tags like artist and album?
No, it reports technical properties rather than tag metadata. The focus is the information you need for editing and compatibility decisions: duration, channels, sample rate, size and encoding.
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