SoniqTools processes everything locally in your browser — your audio files never leave your device. Most competitors upload your files to their servers, but with SoniqTools there's nothing to worry about. It offers 18 specialized tools in one place, from audio quality analysis and spectrogram comparison to format conversion and loudness normalization. Each tool does one thing and does it well. No signups, no paywalls, no installs. It works on any device with a browser and is available in 9 languages.