Baby Feeding Log - Online Track Breast & Bottle Patterns
Record feeding times, side (left/right for nursing) or oz for bottle. Track daily patterns. Data stays in your browser. Simple newborn helper.
UD5 Toolkit
All data stored privately on your device
No records yet. Tap a button above to start logging!
Record feeding times, side (left/right for nursing) or oz for bottle. Track daily patterns. Data stays in your browser. Simple newborn helper.
Track attendance for multiple subjects. Mark present/absent and see percentage. Data in localStorage. Simple student tool.
Record your screen, window, or tab with audio directly in the browser. Download as WebM. No extension required.
Record your screen, window, or tab with audio directly in the browser. Download the recording as a WebM file. No upload.
Virtual flip coins thousands of times and see the heads/tails ratio converge to 50%. Interactive law of large numbers.
Tap a glass icon each time you drink a cup of water. See your daily intake. Reminders optional. Local storage.
Paste your speech, set time limit, and practice with a pacing indicator (words per minute). Refine delivery.
Set any future date and see a live countdown in days, hours, minutes, seconds. Fun animated display. Save multiple countdowns locally.
Test your browser's built‑in speech recognition. Speak and see the transcribed text appear live. Must‑have for voice app devs.
Paste a robots.txt file and validate its syntax. See if a specific user‑agent can access a path. Essential for webmasters.
A precise online metronome with adjustable BPM, beat emphasis, and time signature. Works offline. Essential for musicians.
Set watering schedules for multiple plants with visual alerts. Shows which plants need water today based on last watered date. Data stored locally.
Paste robots.txt content and parse it to check validity, find disallowed paths. Educational SEO tool. Local processing.
Play a metronome with adjustable BPM, time signature, and subdivisions (eighth, triplet, sixteenth). Tap tempo and visual flash. Works offline for practice.
Enter two dates and see the exact number of days, weeks, and workdays between them. Also shows the countdown or days since.
Paste a user agent string to get a human-readable breakdown of browser, operating system, and device. See your own current agent info automatically.
Tune your guitar using the browser microphone. Detects pitch and shows deviation from standard tuning. No installation, pure client-side audio processing.
See a comprehensive table of which modern web APIs your current browser supports. Includes WebGPU, AVIF, and more.
Request a USB device and communicate with it using the Web USB API. See vendor and product IDs. Experimental.
List all available TTS voices on your system. Test each with any text. Adjust rate and pitch. Find the best voice.
Hear text spoken word by word with boundary events. See the exact index and character. Advanced TTS dev tool.
Set your birth date and see a live countdown with days, hours, minutes, and seconds. Shareable link. Pure frontend.
Register a service worker, subscribe to push, and send a test notification using a VAPID key pair. Step‑by‑step demo.
Convert volumetric flow rate units: gallons per minute, liters per second, cubic meters per hour. Useful for plumbing and hydraulics.
Spin a colorful wheel that lands on Yes, No, or custom answers. Includes sound effects and adjustable probability. Local fun decision maker.
Build a properly formatted robots.txt file with user-agent rules and sitemap location. Validate syntax in real time. Essential for webmasters.
Click any element on a demo page and see which events are attached. Visual debugger for event handling.
Play left‑only, right‑only, and frequency sweeps to test your speakers or headphones. Quick audio check.
Create a random, aspirational quarterly objective with unrealistic key results. For meeting icebreakers.
Enter any two variables (speed, distance, time) and get the third. Supports mph, km/h, m/s and multiple units. Practical for runners and drivers.