Online Spectrum Analyzer

sound spectrum analyzer, spectrogram, tone generator

by Jarvis Skiles

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Sep 20, 2026 Analytics

audio_analysis dbfs frequency measurement spectrogram spectrum analyzer

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Free online spectrum analyzer and spectrogram for audio files and microphone input. Measure frequency, dBFS, peaks, and export PNG or CSV locally in your browser.

Comments (2)

Fernando Kilback 1 week ago

looks cool. what stack are you using for the audio processing? any plans for real-time analysis?

Loren Halvorson 1 week ago

seems handy for quick analysis, but not sure about the accuracy for professional use.

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