UD5 Toolkit
Calories Burned While Sleeping – BMR‑Based Estimator
Based on your weight and hours slept, estimate how many calories you burn simply by sleeping. See the contribution of basal metabolic rate to daily energy use.
Health & Fitness Tools - Wellness
55+ tools4‑7‑8 Breathing Technique Timer – Relaxation Exercise
Follow an animated circle that guides you through the 4‑7‑8 breathing pattern. Inhale 4s, hold 7s, exhale 8s. Counts cycles and provides haptic cues.
HIIT Interval Timer - Online Custom Work & Rest
Set up high‑intensity intervals with work, rest, and rounds. Audio cues. Sweat without any app. Local only.
Sleep Log Tracker - Online Record Hours & Quality
Log the hours you slept each night and rate the quality. See a weekly bar chart. Local storage.
Pregnancy Due Date Calendar - Online Conception & Weeks
Enter LMP or conception date and get detailed week‑by‑week milestones, trimester info, and due date. Educational only.
Random Bodyweight Workout Generator - Online No‑Equipment
Get a random, no‑equipment workout with exercises, reps, and rest. Perfect for home fitness. Local algorithm.
Daily Water Intake Calculator - Online Hydration Goal
Enter your weight and activity level to get a recommended daily water intake goal. Reminder to drink up.
Macronutrient Split Calculator - Online Protein, Carbs, Fat
Based on your calorie goal, get the perfect gram split of proteins, carbs, and fats. Adjust ratios. For fitness and health.
Blood Pressure Log - Online Track & Chart Readings
Record daily systolic/diastolic readings and pulse. See a trend chart. All data saved locally in your browser.
BMI Chart & Ideal Weight Table - Online Reference
Look at a color‑coded BMI table for your height and see the healthy weight range. Simple reference.
Yoga Pose Library - Online Browse & Learn Asanas
Searchable catalog of yoga poses with illustrations, instructions, and benefits. For beginners and teachers. Static resource.
Reaction Time Test - Online Click & Sound
Measure your visual and auditory reaction speed. Average and best times shown. No data collected. Pure Javascript timing.
Meditation Chime Timer - Online Mindfulness Bell
Set a meditation duration with optional interval chimes. Soothing bell sounds at the start and end. No ads.
Sleep Cycle & REM Calculator - Online Best Bedtimes
Find the optimal go‑to‑sleep or wake‑up times based on 90‑min sleep cycles. Wake up between REM cycles and feel refreshed.
One‑Rep Max (1RM) Calculator - Online Lifting Progress
Estimate your one‑rep max from weight and reps. Supports Epley, Brzycki, Lombardi formulas. See your strength level.
Advanced Ambient Noise Mixer - Online Rain, Wind & Cafe
Mix white noise, pink noise, rain, thunder, wind, and cafe sounds. Individual volume, save presets. Relax or focus. All client‑side.
Daily Calorie Intake Estimator - Online BMR & Activity
Calculate your Basal Metabolic Rate and Total Daily Energy Expenditure. Set goals for weight loss, maintenance, or gain.
Emotion Moodboard Creator - Online Feelings Board
Drag emotion word cards onto a canvas to visualize your day. Mix and match. Screenshot to share. Therapeutic.
Noise Generator - Online White Brown & Pink Noise Machine
Play white, pink, or brown noise to aid focus, sleep, or tinnitus relief. Infinite loop and volume control. Works in background; no downloads.
Calorie Burn Calculator by Activity - Online Estimate
Select an activity, enter your weight and duration, and see the estimated calories burned. Based on MET values.
Mood Color Journal - Online Track Days with Hues
Pick a color for each day's mood and see a month‑at‑a‑glance heatmap. Data stored locally. A private emotional log.
Ideal Weight Chart - Online BMI & Health Range Guide
See the healthy weight range for your height using standard BMI chart. Gender‑specific data. Quick reference.
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.
Body Measurement Tracker - Online Fitness Progress Logger
Log neck, chest, waist, hip, and limb measurements over time. See changes on a chart. All data stored locally.
Wind Chill & Heat Index Calculator - Online Feels Like
Enter temperature and wind speed (or humidity) to get the 'feels like' temperature. Safety guidelines included.
Clinical Color Blindness Tester - Online Ishihara Plate Style
View a series of digital Ishihara‑style plates. Not a diagnostic tool, just educational. Read numbers.
Self‑Care Bingo - Online Generate Wellness Grid
Create a printable bingo card filled with self‑care activities. Relax, exercise, hydrate. Tick them off.
Blood Alcohol Content Estimator - Online BAC Chart
Roughly estimate your BAC based on weight, gender, drinks consumed, and time. Educational; do not drive.
One Rep Max Calculator - Online Strength & Lifting Estimator
Estimate your one‑rep max (1RM) from weight and reps. Supports multiple formulas (Epley, Brzycki). Training percentages table.
Children's BMI Calculator - Online Percentile & Growth
Calculate BMI for children and teens (ages 2‑19) and see the percentile based on CDC growth charts. Educational only.
Human Skeleton Anatomy Viewer - Online Interactive Bones
Click on any bone in the human skeleton to see its name and learn about it. Rotatable 3D‑like view. Study aid.
Posture Reminder Timer - Online Sit Up Straight Alert
Set a recurring timer that reminds you to check your posture. Desktop notification with a gentle chime. Stay healthy.
Run Pace Calculator - Online Min/Mile & Min/Km Splits
Calculate your running pace per mile/km, finish time for a race, and split times. Essential for runners.
VIA Character Strengths Generator - Online Positive Psychology
Take a lighthearted inventory of your character strengths (not official VIA). Self-reflection tool. All in browser.
Binaural Beats Generator - Online Brainwave Focus & Relax
Create binaural beats by setting base frequency and beat frequency. Use headphones. For relaxation or focus. Web Audio API.
Macronutrient Calculator - Online Protein Carb Fat Split
Determine your ideal daily macronutrient intake based on TDEE, goal, and diet preference. Free nutrition planning tool with local computation.
Pregnancy Due Date Calculator - Online LMP & Gestation Tool
Estimate the baby's due date based on last menstrual period (LMP) or conception date. Also shows current week and trimester. Educational only.
Meditation Bell Timer - Online Interval Singing Bowl
Set a meditation session with singing bowl sounds at start, interval chimes, and end bell. No ads, pure serenity.
BMR Calculator - Online Basal Metabolic Rate & Calories
Calculate your Basal Metabolic Rate using the Mifflin‑St Jeor equation. Know how many calories you burn at rest. All data private.
Work Break Reminder - Online Eye‑Care & Stretch Timer
Set a timer that reminds you to take a break, stretch, or follow the 20‑20‑20 rule. Desktop notification supported. Runs offline.
Mood Tracker - Online Daily Emotion Journal & Calendar
Log your daily mood and view trends on a calendar. Encourages mindfulness. Data stored only in your browser's localStorage for complete privacy.
Yoga Sequence Builder - Online Drag & Drop Poses
Build a yoga flow by dragging pose cards into a sequence. Pose reference images included. Print or share your flow.
Waist‑to‑Hip Ratio Calculator - Online Body Shape Health Indicator
Measure your waist‑to‑hip ratio and learn about associated health risks. WHR interpretation. Educational only.
Air Quality Index Lookup - Online AQI by City
Enter a city name to fetch its current Air Quality Index from public APIs. Color-coded health warning. No login.
Water Intake Tracker - Online Daily Hydration Logger
Log your daily water consumption with one click. Set a goal and track progress. Data stored locally for privacy. Simple and clean interface.
Body Fat Percentage Calculator - Online US Navy & BMI Method
Estimate body fat percentage using the US Navy circumference method or BMI-based formula. Private and instant, all data stays on your device.
Activity Calorie Burn Calculator - Online Exercise Estimator
Estimate calories burned for various activities like running, cycling, swimming based on duration and body weight. Informational and motivational.
BMI Calculator - Online Body Mass Index Tool
Check your Body Mass Index using standard or metric units. Get a health category analysis instantly. Educational purpose only; data stays private.
Ambient Sound Mixer - Online Rain, Fire & Coffee Shop
Mix multiple ambient sounds (rain, fireplace, cafe, forest) at different volumes. Create your perfect background noise. Local loops.
UV Index Reference - Online Exposure Category & Protection
See the current UV index forecast or enter a value to learn protection needed (SPF, hat, shade). Educational.
Color Noise Generator - Online White Pink Brown Blue Violet
Play infinite sound loops of white, pink, brown, blue, and violet noise. Volume control. Help focus or mask tinnitus.
Emoji Mood Meter - Online Daily Feeling Check‑In
Select an emoji that matches your mood and log it to a simple calendar. Self‑awareness tool. Local only.
Interval Timer - Online HIIT & Tabata Workout Clock
Set up high-intensity interval training rounds with work and rest periods. Audio alerts and customizable sets. Runs in background, no download.
Eye Dominance Test - Online Find Your Dominant Eye
Simple interactive eye dominance test: hold up a virtual dot and see which eye stays aligned. Educational.
Gratitude Journal - Online Daily Thankfulness Log
Write three things you’re grateful for each day. Saved locally. Export as text. Boost mental well-being.