Test your microphone online for free. See a real-time audio waveform, measure volume levels, and check your mic's sample rate and settings.
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Professional-grade browser interface for real-time audio analysis. We leverage the Web Audio API to provide bit-perfect visualization and latency-free metering for your audio hardware.
Our diagnostic tool uses the browser's native AudioContext and AnalyserNode to capture raw PCM data directly from the driver level. This ensures that the visualizations you see are accurate representations of the analog signal being converted by your hardware.
All processing happens locally in your browser. Your data never leaves your computer, ensuring complete privacy and security.
Compare two texts and find differences with side-by-side and unified views. Highlight changes at word or character level with clean, intuitive interface.
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Track time across multiple cities and timezones simultaneously. Features real-time updates, DST support, day/night indicators, and time comparison table.