Test your microphone with a real-time level meter, frequency spectrum visualization, and device info. Verify your mic works before calls or recordings.
LevnTools Microphone Tester lets you process and convert your audio directly in your browser. Everything runs locally in your browser — your audio files and recordings never leave your device. Unlike cloud-only alternatives that require uploads and accounts, this tool is completely free with no usage limits or watermarks. It is designed for podcasters editing episodes, musicians preparing tracks for distribution, content creators adding sound to videos — anyone who needs a fast, reliable audio tool without the overhead of installing software. Just open the page and start working.
Microphone Tester is used by a wide range of people. Explore how different groups use this tool:
Convert between MP3, WAV, OGG, AAC, and FLAC
Reduce audio file size with bitrate control
Change audio sample rate (8 kHz to 96 kHz)
Resize images with custom dimensions, percentage, or social media presets.
Convert between metric and imperial length units.
Select your microphone from the dropdown, click "Test Microphone", and speak. The level meter and frequency spectrum show real-time audio input from your mic.
The spectrum shows which frequencies are present in your audio input. Voice typically shows energy between 80 Hz and 3 kHz.
Yes. Use the dropdown to switch between available audio input devices on your computer.
The tool displays the actual sample rate (usually 44.1 kHz or 48 kHz) and channel count (mono or stereo) reported by the audio device.