web microphone checker
https://page-wiki.win/index.php/How_to_Understand_Your_Microphone_Quality_Rating_and_What_Really_Matters
I needed to quickly check if my mic was working before an important video call, so I used a web microphone checker. It accessed my browser's permissions and showed a live waveform of my voice. This simple tool saved me from awkward silence by confirming the audio input was functional and picking up sound clearly without needing to download any extra software.