Rain Overlay Effect - Online Add Rain to Photo
Add a realistic animated rain or static rain overlay to your image. Adjust opacity and droplet size. Download final.
UD5 Toolkit
Add realistic rain, snow, or fog to your photos — free, online, no sign-up
Add a realistic animated rain or static rain overlay to your image. Adjust opacity and droplet size. Download final.
View the NASA Astronomy Picture of the Day (APOD) directly in your browser. Read the explanation. No API key needed.
Enter temperature and wind speed (or humidity) to get the 'feels like' temperature. Safety guidelines included.
Randomly picks an indoor activity from a curated list sorted by age. No materials, no prep ideas included. Banish boredom.
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 target RH and room temp to estimate how often to mist or run a humidifier. Quick reference.
Calculate dew point or relative humidity from temperature and the other parameter. Also computes wet-bulb temperature. Meteorology reference.
View hidden EXIF data (camera model, GPS, date, settings) from any image. Works locally in browser; metadata is never uploaded. Understand your photo details.
Extract and view EXIF data from photos including camera settings, GPS location, and timestamps. All metadata read locally, your photos stay private.
Enter a city name to fetch its current Air Quality Index from public APIs. Color-coded health warning. No login.
Drag to see how a solar eclipse occurs. Visualize the moon's shadow. Educational and interactive.
Add plants and track when you last watered them. Get a simple visual alert when it's time to water. Local storage.
Plan your time‑lapse by entering desired clip length, fps, and event duration to find the shooting interval and total frames needed. Avoid under‑ or over‑shooting.
Learn about the International Scale of River Difficulty with animations and description of each class.
Type a list of items to find and generate a printable checklist with checkboxes. Great for parties.
Enter skin type and UV index to estimate time to sunburn. Visual countdown reminder to reapply sunscreen or seek shade. Educational only.
Checklist of essential supplies for a tornado safe room. Print and prepare before storm season.
Enter your weight and activity level to get a recommended daily water intake goal. Reminder to drink up.
Set a custom watering frequency reminder for succulents, with seasonal adjustment. Visual icon. Works offline after setup.
Set watering schedules for multiple plants with visual alerts. Shows which plants need water today based on last watered date. Data stored locally.
Animated demonstrations of different campfire lay styles (teepee, log cabin, star). Choose the right one for wind and cooking.
Compute personalized daily water intake based on weight, climate, and exercise intensity. Converts to common cups/ounces. Purely local with no tracking.
If device has ambient light sensor, estimate lux level and recommend plant types. Local only.
Select common materials (wood, plastic, metals) and see density chart. Predict floating. Fun science.
Simple grid canvas to sketch your home's layout and mark escape routes and meeting point. Print for practice. Local only.
Go through a room-by-room checklist to identify trip hazards. Print and fix. Prevent accidents.
Enter your elevation and find the exact boiling point of water. Useful for high‑altitude cooking and tea brewing. Local math.
Visualize real‑time linear acceleration (excluding gravity). Watch the 3D vector graph move as you shake the device.
Type an element name or symbol and instantly see its key properties (atomic mass, group, electronegativity). Quick reference.
Enter height and get fall time and impact speed. Simple physics demo. Good for students.