Test your microphone in one click.

Muffled usually means something is between you and the capsule or reshaping the highs. Check for a foam windscreen or case flap over the mic, wipe dust out of a headset or phone mic mesh, and make sure you're speaking into the front of the mic, not the back. In software, aggressive noise suppression and some "voice clarity" enhancements roll off high frequencies to cut hiss — turning them off often restores crispness. If a Bluetooth headset only sounds muffled during calls, that's the hands-free codec, covered below.

The input gain is probably too low, or you're too far from the mic. Raise the microphone level in your operating system's sound settings — on Windows there's an extra "Microphone Boost" slider that adds real gain, and on macOS it's the Input volume slider. Move to roughly a hand-span away and speak across the mic rather than from across the room. If automatic gain control is enabled in your call app, it can also duck a loud voice or fail to lift a soft one, so try turning it off and setting the level manually against the meter here.

No. The live test only reads the signal to draw the waveform and meter; nothing is captured. When you press Record, the clip is held in your browser's memory as a temporary object and played straight back to you — it is never written to disk, never sent to any server, and there is no account or logging. Reloading or leaving the page erases it immediately. You can confirm this yourself: the page makes no network requests while you test.

Browsers require an explicit, per-site permission before any page can open your microphone — it's a core privacy protection, and a page physically cannot access the mic without it. The prompt appears the first time you press start; choosing Allow lets this test hear the mic (only while the page is open), and choosing Block silences it until you re-enable the permission from the address-bar icon. Granting access here does not give the microphone to any other site.

When AirPods (or most Bluetooth earbuds) only play audio, they use a high-quality one-way codec. The moment an app opens the microphone, Bluetooth switches both directions to the hands-free profile (HFP), which drops the audio to a narrow, low-bitrate mono link so the mic can fit in the same connection. That's why your music suddenly sounds thin the instant a call starts and why the AirPods mic is noticeably lower quality than the earbuds' playback. It's a limitation of Bluetooth itself, not a fault — a wired or USB mic avoids it entirely.

Plug in the headset, press Test my mic, and — this is the step people miss — open the Input device menu here and select the headset explicitly, because your OS often keeps the laptop's built-in mic as the default. Speak and confirm the waveform reacts, then record a clip and play it back to check for the boom mic's proximity and any cable crackle. If you flip the boom up or nudge an inline switch and the signal dies, that's the hardware mute working as intended.

Most laptops put one or two tiny mic pinholes near the webcam at the top of the screen bezel, though some place them on the hinge, the keyboard deck, or the side edges. You don't need to find the hole to use it — just select the built-in mic in the device menu and watch the meter as you speak. Covering that area with a sticker, a bezel-mounted privacy slider, or your hand while holding the lid is a common reason a "working" laptop mic sounds blocked or distant.

That's a privacy indicator telling you an app is actively using the microphone. macOS and iOS show an orange dot near the status bar (a green one means the camera); Windows 11 shows a mic icon in the system tray; and browsers put a recording dot on the tab. It should appear while this test is live and disappear the moment you stop — if a dot lingers after you close the tool, another app still has the mic open. Seeing the dot is reassurance, not a warning.