Canning Altitude Adjuster - Online Boiling Water Processing Time
Enter your altitude to adjust canning processing times or pressure. Prevent botulism. Based on USDA guidelines. Essential for home canners.
UD5 Toolkit
Convert traditional stovetop, oven & slow cooker recipes to Instant Pot pressure cooking times instantly.
Enter your altitude to adjust canning processing times or pressure. Prevent botulism. Based on USDA guidelines. Essential for home canners.
Convert volume and capacity units: gallon (US/UK), liter, milliliter, cup, and fluid ounce. Handy for cooking and science. Works entirely offline.
Set timer for incubation period with temperature guide. Track hours for optimal tanginess. Homemade yogurt.
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.
Convert power units: watt, kilowatt, horsepower, BTU/h. Quick reference for electrical and mechanical engineering. Browser-based.
Countdown timer with alerts for boiling pacifiers, bottles, or pump parts. Follow recommended times. Local audio alarm.
Tap key for 15 seconds, calculates BPM. Quick resting heart rate check. Manual, no hardware.
Visual and audio beat at 100‑120 compressions per minute. 30 compressions timer. For training and emergencies.
Touch your screen and see the pressure and radius reported. Visualize force. Mobile developer tool.
Convert English text to Braille (Grade 1 and simple Grade 2 contractions). Educational tool to understand Braille representation. Local only.
Set a 20, 30, or 45‑minute countdown to simulate a technical interview. Hidden/unhidden. Boost your prep.
Tap any key to the beat of a song and the tool calculates the BPM. Also shows average and millisecond delay for loops.
Type or paste text and have it read aloud by your browser's speech synthesis engine. Control voice, pitch, and rate. No download, works offline.
Wait for the box to turn green, then tap as fast as possible. Measure milliseconds. Compete with friends.
Generate a sample sleep schedule for babies 0-24 months based on age-appropriate wake windows. Nap count and bedtime suggestions. Educational reference.
Log practice sessions, note the tunes played, metronome BPM, and duration. Monitor progress on the pipes.
Enter Braille dot numbers (1‑6) or paste Unicode Braille to decode into English text. Companion to text‑to‑Braille.
See a live VU meter of your microphone's input level. Test if your mic is working and adjust gain. Privacy‑friendly.
Set a nap timer with optional gentle white noise or lullabies (Web Audio). Reminder to put baby down. Fully local, no ads.
Enter completed chores/reading minutes to calculate earned screen time. Customizable rates. Local tracking.
Write text and pick a voice, rate, and pitch to test your browser's speech synthesis capabilities. No download.
Enter a phrase and instantly generate spoonerisms by swapping initial consonants of words. Silly linguistic fun. Fully local processing.
Set recurring audio/visual reminders to check and correct sitting posture. Adjustable interval and notification style. Helps reduce back pain from desk work.
Request and release a screen wake lock to keep the device awake. See the lock state in real time. Perfect for recipes or presentations.
Tap short/long on the screen to create Morse characters, and see the decoded text appear.
Generate a bcrypt hash from a password with configurable salt rounds. Verify a password against a hash. Entirely client‑side.
A unique Sudoku puzzle generated for today's date. Four difficulty levels. Purely local logic.
Enter didgeridoo dimensions to understand its acoustic backpressure. Helps choose or design a comfortable instrument.
Hash passwords using the bcrypt algorithm with configurable cost factor. Also verify a password against a stored hash. All local.
Toggle a screen wake lock to prevent the device from dimming or sleeping. See the lock state and learn the API.