Tap Tempo BPM Detector - Online Find Beats Per Minute
Tap any key to measure beats per minute. Displays average BPM and beat interval in milliseconds. Essential for DJs and music production. No extra permissions.
UD5 Toolkit
Tap along with your pulse to measure your resting heart rate
Resting heart rate (RHR) is the number of times your heart beats per minute when you are at rest. It's a key indicator of cardiovascular health and fitness level. A lower RHR generally indicates more efficient heart function.
Measure your RHR first thing in the morning, before getting out of bed. Avoid caffeine, alcohol, or exercise at least 2 hours prior. Sit quietly for 5 minutes before measuring for the most accurate reading.
Tap any key to measure beats per minute. Displays average BPM and beat interval in milliseconds. Essential for DJs and music production. No extra permissions.
Tap any key to the beat of a song and the tool calculates the BPM. Also shows average and millisecond delay for loops.
Visual and audio beat at 100‑120 compressions per minute. 30 compressions timer. For training and emergencies.
Set recurring audio/visual reminders to check and correct sitting posture. Adjustable interval and notification style. Helps reduce back pain from desk work.
Set a recurring timer that reminds you to check your posture. Desktop notification with a gentle chime. Stay healthy.
Wait for the box to turn green, then tap as fast as possible. Measure milliseconds. Compete with friends.
Set a nap timer with optional gentle white noise or lullabies (Web Audio). Reminder to put baby down. Fully local, no ads.
Timer that reminds you to look at something 20 feet away for 20 seconds every 20 minutes. Customizable intervals and subtle sound/visual alerts.
Select an emoji that matches your mood and log it to a simple calendar. Self‑awareness tool. Local only.
Tap short/long on the screen to create Morse characters, and see the decoded text appear.
Play a frequency sweep from 20Hz to 20kHz. See where your hearing cuts off. Headphones needed.
See a live VU meter of your microphone's input level. Test if your mic is working and adjust gain. Privacy‑friendly.
Perform gestures on a canvas and see them detected in real time. Logs swipe direction, pinch scale, and rotate angle.
Log which family member takes which medicine and when. Reminders for next dose. Data stays local.
Log practice sessions, note the tunes played, metronome BPM, and duration. Monitor progress on the pipes.
Play pure tones at various frequencies to estimate your hearing range. Simple and educational.
Convert traditional cooking time to electric pressure cooker time. Reference chart.
Set a 20, 30, or 45‑minute countdown to simulate a technical interview. Hidden/unhidden. Boost your prep.
Generate a sample sleep schedule for babies 0-24 months based on age-appropriate wake windows. Nap count and bedtime suggestions. Educational reference.
Countdown timer with alerts for boiling pacifiers, bottles, or pump parts. Follow recommended times. Local audio alarm.
Enter didgeridoo dimensions to understand its acoustic backpressure. Helps choose or design a comfortable instrument.
Play a sweep from 20Hz to 20kHz. Test your speakers and your hearing. Simple and effective. Web Audio API.
Toggle a screen wake lock to prevent the device from dimming or sleeping. See the lock state and learn the API.
Convert volume and capacity units: gallon (US/UK), liter, milliliter, cup, and fluid ounce. Handy for cooking and science. Works entirely offline.
Observe your cat after giving catnip and mark behaviors. See if they carry the gene. Fun science.
Listen to and practice the international distress signal: three short blasts. Lifesaving knowledge.
Touch your screen and see the pressure and radius reported. Visualize force. Mobile developer tool.
Request and release a screen wake lock to keep the device awake. See the lock state in real time. Perfect for recipes or presentations.
Set timer for incubation period with temperature guide. Track hours for optimal tanginess. Homemade yogurt.
Enter child's stats and compare to typical rear-facing, forward-facing, and booster seat requirements. Reference tool.