Child Growth Chart Plotter – Online WHO Percentile Tracker
Plot your child's height and weight on WHO growth charts over time. Data saved locally for privacy. Visualise growth trajectory.
UD5 Toolkit
Digital sticker chart for kids – motivate, track & celebrate!
Plot your child's height and weight on WHO growth charts over time. Data saved locally for privacy. Visualise growth trajectory.
Calculate BMI for children and teens (ages 2‑19) and see the percentile based on CDC growth charts. Educational only.
Calculate infant weight, length, and head circumference percentiles using WHO and CDC reference data. Visual growth chart and interpretation for parents.
Approximate monthly child support obligation based on both parents incomes and number of children. Uses simplified model for educational reference. Not legal advice.
Build good habits by tracking daily completions. Visualize streaks and progress. Pure browser storage keeps your habit data private and offline-capable.
Shows live countdown to major holidays and allows custom ones. Visual calendar. Local browser storage.
Commit to 30 days of gratitude. Write 3 things each day, see progress. Data stays local. Mood boost habit.
Enter clock-in/out times for each day and see total hours worked, overtime. Calculate weekly pay based on hourly rate. Local storage.
Create a printable bingo card filled with self‑care activities. Relax, exercise, hydrate. Tick them off.
Enter and track key body circumferences over time. See inch/centimeter changes and chart progress. Local storage.
Enter your height and riding style to get a recommended stance width and binding angles. Centered and balanced.
Write a self-contract with a goal and reward/penalty. Sign digitally, save as image. Stay accountable.
Measure your waist‑to‑hip ratio and learn about associated health risks. WHR interpretation. Educational only.
Select the number and type of dice, then view the exact probability for each possible sum as a bar chart. Great for board game strategy. Local computation.
Estimate calories burned for various activities like running, cycling, swimming based on duration and body weight. Informational and motivational.
Write a private gratitude entry guided by daily reflective prompts. All entries stored only in your browser with optional export as text file. No account needed.
Check your Body Mass Index using standard or metric units. Get a health category analysis instantly. Educational purpose only; data stays private.
Enter wallet size and get the exact length of duct tape strips needed to build a sheet. DIY crafting.
Write one thing you’re grateful for each day to build a streak. Visual calendar shows your consistency, reinforcing the positive habit of gratitude.
Estimate body fat percentage using the US Navy circumference method or BMI-based formula. Private and instant, all data stays on your device.
Enter blanket dimensions and square size to know how many granny squares to make. Layout preview.
Select a state and year to see all public holidays. Works offline with built-in data. Plan your long weekends. Simple reference tool.
A large, simple button to count anything. Plus / minus, reset, and save count to localStorage. Works offline.
Enter kayak's maximum capacity and your weight to see remaining capacity for gear. Safety on the water.
Enter your height, knot type (Four‑in‑Hand, Windsor) and collar to predict ideal tie length. Avoid too short or long.
Click to receive a random positive affirmation. Save favorites locally. A simple tool to boost your mood and mindset.
Track odometer readings, distance, fuel fill-ups and compute MPG/L/100km. Data stored in localStorage. Simple expense summary for tax or budgeting.
Select month and get a to‑do list (clean gutters, check weatherstripping). Local storage, printable.
Select your average daily meals and habits to see how much virtual water you consume. Environmental awareness tool.
Upload your favicon and overlay a small numbered badge. Download the modified .ico and the JavaScript snippet to dynamically update the count.