Is the tool free to use?

Yes. The tool runs in the browser and does not require a separate desktop installation.

Is my audio uploaded to a server?

Normal analysis and processing are designed to run locally in the browser, so the source file does not need to be uploaded for routine use.

Which source format is best?

Use the highest-quality source available. WAV or FLAC is preferable for analysis and editing, while MP3 is better treated as a delivery copy.

Should I keep the original file?

Yes. Always process a copy so that you can return to the untouched source if the result is not satisfactory.

How to Analyze Audio Quality Online

What a complete audio analysis shows

A complete analysis combines several measurements instead of relying on one number. Peak level reveals the loudest samples, RMS describes average signal energy, LUFS estimates perceived loudness, and True Peak warns about inter-sample overload after encoding. Clipping, silence, DC offset, channel balance, noise floor, sample rate and bit depth complete the technical picture.

For the most reliable decision, compare the file before and after processing at matched loudness. Save a test copy, listen on more than one playback system and check the exported file again rather than trusting only the preview.

How to read the results

Interpret every result in context. A peak close to 0 dBFS may be acceptable in a source file but leaves little headroom for encoding. A low RMS value can be normal for dynamic acoustic music, while a very high value may indicate heavy compression. Compare measurements with the intended use and always listen to suspicious sections.

Problems an analyzer can reveal

Typical findings include digital clipping, excessive True Peak, left-right imbalance, DC offset, long silent regions, weak level, reduced dynamics and a raised noise floor. A warning does not always mean that automatic repair is required, but it identifies where focused listening and correction should begin.

A reliable pre-release workflow

Analyze the final lossless export first. Check peaks and True Peak, then LUFS and dynamics. Review clipping markers, listen to the beginning and end, compare both channels and confirm that sample rate and bit depth match the delivery platform. Analyze the saved result again after any correction.

Practical checklist

Work from a copy of the source and make measured changes. Keep notes of the original values and the settings used so that the result can be reproduced.

Use the best available source file.
Change one major setting at a time.
Compare versions at the same perceived loudness.
Verify the final exported file.