Simple Water Tracker - Online Click Glass Count
Tap a glass icon each time you drink a cup of water. See your daily intake. Reminders optional. Local storage.
UD5 Toolkit
Never forget to water your houseplants again! Simple scheduler to keep your greens happy.
Use the form above to start building your care schedule!
Tap a glass icon each time you drink a cup of water. See your daily intake. Reminders optional. Local storage.
Record feeding times, side (left/right for nursing) or oz for bottle. Track daily patterns. Data stays in your browser. Simple newborn helper.
Enter two dates and see the exact number of days, weeks, and workdays between them. Also shows the countdown or days since.
Set any future date and see a live countdown in days, hours, minutes, seconds. Fun animated display. Save multiple countdowns locally.
Paste a robots.txt file and validate its syntax. See if a specific user‑agent can access a path. Essential for webmasters.
Paste robots.txt content and parse it to check validity, find disallowed paths. Educational SEO tool. Local processing.
Register a service worker, subscribe to push, and send a test notification using a VAPID key pair. Step‑by‑step demo.
Paste a user agent string to get a human-readable breakdown of browser, operating system, and device. See your own current agent info automatically.
Play a metronome with adjustable BPM, time signature, and subdivisions (eighth, triplet, sixteenth). Tap tempo and visual flash. Works offline for practice.
Simple tracker to record potty attempts, successes, accidents. See patterns. Data stays local. Aids in toilet training journey.
Set your birth date and see a live countdown with days, hours, minutes, and seconds. Shareable link. Pure frontend.
Paste your speech, set time limit, and practice with a pacing indicator (words per minute). Refine delivery.
Change the text input cursor color. See the effect live. Copy the minimal CSS. Simple but delightful.
Convert volumetric flow rate units: gallons per minute, liters per second, cubic meters per hour. Useful for plumbing and hydraulics.
Track attendance for multiple subjects. Mark present/absent and see percentage. Data in localStorage. Simple student tool.
Generate a Lit Element web component skeleton with styles and properties. Copy and start coding immediately.
A festive countdown showing days, hours, minutes until December 25. Animated snow and music toggle. Local time.
Build a properly formatted robots.txt file with user-agent rules and sitemap location. Validate syntax in real time. Essential for webmasters.
Set a list of agenda items with allocated minutes. Advance through speakers and see remaining time visually. Keep meetings on track.
Fill in your details and generate a professional-looking invoice ready to print or save as PDF. No sign-up, all data stays on your device. Great for freelancers.
Tune your guitar using the browser microphone. Detects pitch and shows deviation from standard tuning. No installation, pure client-side audio processing.
Fill in your details and generate a professional‑looking invoice ready to print or save as PDF. No sign‑up, all data stays on your device.
Test your browser's built‑in speech recognition. Speak and see the transcribed text appear live. Must‑have for voice app devs.
Click for a warm, encouraging sentence to lift your spirits or support a friend. Small positive boost. No repeats.
Create a random, aspirational quarterly objective with unrealistic key results. For meeting icebreakers.
Paste HTML and see a before/after comparison of minified output. Check the byte savings. All local.
A precise online metronome with adjustable BPM, beat emphasis, and time signature. Works offline. Essential for musicians.
Select any HTML element on a page and capture its screenshot. Download as PNG. Perfect for bug reports. JavaScript API demo.
See a comprehensive table of which modern web APIs your current browser supports. Includes WebGPU, AVIF, and more.
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.