Rainy Day Activity Generator – Online Indoor Fun for Kids
Randomly picks an indoor activity from a curated list sorted by age. No materials, no prep ideas included. Banish boredom.
UD5 Toolkit
Generate custom indoor & outdoor clue lists for your next adventure
Your clue list will appear here
Select your preferences above and click "Generate Clues"
Randomly picks an indoor activity from a curated list sorted by age. No materials, no prep ideas included. Banish boredom.
Animated demonstrations of different campfire lay styles (teepee, log cabin, star). Choose the right one for wind and cooking.
Build a categorized list of possessions with value, serial number, and photo (local). Export for insurance purposes. Private.
Checklist of essential supplies for a tornado safe room. Print and prepare before storm season.
Go through a room-by-room checklist to identify trip hazards. Print and fix. Prevent accidents.
Simple grid canvas to sketch your home's layout and mark escape routes and meeting point. Print for practice. Local only.
Type an element name or symbol and instantly see its key properties (atomic mass, group, electronegativity). Quick reference.
Learn about the International Scale of River Difficulty with animations and description of each class.
Enter a first name and guess the approximate age based on historical popularity data. Purely statistical fun.
Fill in feeding, walking, medication details and generate a clear care sheet for your pet sitter. Print or share.
Enter a city name to fetch its current Air Quality Index from public APIs. Color-coded health warning. No login.
Enter appliance usage and see estimated monthly energy consumption. Identify high usage areas.
If device has ambient light sensor, estimate lux level and recommend plant types. Local only.
Extract and view EXIF data from photos including camera settings, GPS location, and timestamps. All metadata read locally, your photos stay private.
Click through symptoms (murky, clear, bacteria) and get the best water treatment method for backcountry trips.
View hidden EXIF data (camera model, GPS, date, settings) from any image. Works locally in browser; metadata is never uploaded. Understand your photo details.
Select your latitude and day of year to see sun path and identify spots with the most direct sunlight for solar garden lights. Simple visual tool.
Enter a phrase and find all possible anagram combinations (if computationally feasible). Lexicographic fun.
Add realistic rain, snow, or fog to any photo. Control intensity and direction. Download the atmospheric result.
Scan for nearby Bluetooth Low Energy devices using the browser. Read device names and signal strength. Experimental API.
Enter number of people and desired duration to estimate the minimum square footage and ventilation CFM for a residential storm shelter.
Enter height and get fall time and impact speed. Simple physics demo. Good for students.
Add plants and track when you last watered them. Get a simple visual alert when it's time to water. Local storage.
Select common materials (wood, plastic, metals) and see density chart. Predict floating. Fun science.
Set watering schedules for multiple plants with visual alerts. Shows which plants need water today based on last watered date. Data stored locally.
Visualize real‑time linear acceleration (excluding gravity). Watch the 3D vector graph move as you shake the device.
Enter pond dimensions and filtration type to estimate safe number of adult koi. Prevent overcrowding.
View the NASA Astronomy Picture of the Day (APOD) directly in your browser. Read the explanation. No API key needed.
Type a word and see which letters can be spelled with atomic symbols (e.g., Co In = CoIn). Fun ciphers.
Add a realistic animated rain or static rain overlay to your image. Adjust opacity and droplet size. Download final.