Mic, camera, speakers, voice coach - one place, zero downloads.
Record audio and play it back. Full recording or quick 5s test.
Test speakers at different frequencies.
Frequency sweep:
Real-time speaking analysis. Start mic first, then speak.
Voice exercises to warm up before speaking.
CallCheck is the fastest way to test your microphone online. Click "Start Mic Test" to instantly check if your mic works, measure volume in decibels, detect background noise, and see if you're at the right distance. Works on Chrome, Firefox, Edge, and Safari desktop, laptop, and mobile.
Click the green "Start Mic Test" button and allow browser access. The ring indicator shows your mic distance: green = perfect, red = too close, yellow = too far. You'll see real-time stats for volume (dB), noise floor, audio quality, and clipping detection. The frequency spectrum shows bass, mid, and treble pickup. Device info displays your microphone name, sample rate, channels (mono/stereo), and connection type (USB, Bluetooth, Built-in).
Use the speaker testto verify left and right audio channels work correctly. Perfect for checking stereo testoutput and confirming headphone testresults. Our frequency sweepplays tones from 60Hz deep bass testthrough 250Hz low-mid, 1kHz mid-range, 4kHz treble, up to 12kHz high frequencies. Find out if your speakers or headphones reproduce the full range. Great for subwoofer testand sound testverification.
Record your voice with our free voice recorder. Unlike the old 5-second echo test, you can now record my voicefor unlimited time with a real-time waveform display. Stop, play back, and download your recording as an audio file. No signup needed. Perfect for podcasters, YouTubers, and anyone checking how do I sound through my mic.
Our voice coach uses Web Speech API to give you a real-time words per minute test(WPM test). It measures your speaking speedand highlights if you're too fast (over 160 WPM) or too slow (under 120 WPM). The filler word counterdetects "um," "uh," "like," "you know," "basically," and "actually" as you speak. Get a session reportwith total time, word count, average WPM, filler count, and quality score. Essential for public speaking practiceand speech practice online.
Professional teleprompter online freewith fullscreen mode, adjustable scroll speed, font size, and mirror mode. Features voice-controlled scrolling that pauses when you pause and scrolls when you speak. Current line highlighted with progressive focus dimming. Save unlimited scripts locally. Works as a teleprompter appright in your browser no install needed. Includes a speech timerand presentation timerfor timed practice.
Professional voice warmup exercisesfor speakers, singers, and presenters. Four guided exercises: (1) Breathing exerciseinhale 4s, hold 4s, exhale 4s to calm nerves. (2) Hummingsteady humming for 10 seconds to warm vocal cords. (3) Tongue twister practicerandom twisters to improve articulation. (4) Volume ladderwhisper to projection to expand your range. Use these as public speaking toolsbefore any presentation.
Before any video call, test everything in one place. One-click checks for microphone, webcam test(camera test online), speakers, and browser compatibility. All four green = you're ready for Zoom, Microsoft Teams, Google Meet, Discord, Webex, or any platform.
Microphone not working?Here's how to fix it on every platform:
CallCheck works with all microphone types: laptop mic testfor built-in mics, USB microphone testfor Blue Yeti, HyperX, and other USB mics, Bluetooth mic testfor AirPods and wireless headsets, gaming headset testfor SteelSeries, Razer, and Logitech headsets, and earbuds mic testfor in-ear monitors. Select your specific device from the dropdown to test it.
Most mic test sites only tell you "yes, your mic works." CallCheck gives you: real-time distance coaching(how far to sit), frequency spectrum analysis, noise floor measurement, device info(sample rate, channels), voice coaching(WPM + filler words), recording + playback, and a teleprompterall in one page. It's the only tool you need before any call, recording, or presentation.
CallCheck runs 100% in your browser. No audio, video, or text is ever sent to any server. No accounts, no cookies, no tracking, no data collection. Your teleprompter scripts save only in your browser's local storage. We don't use analytics that track individual users. Your privacy is absolute.