Planetary Fact Sheet - Online Solar System Stats
Click a planet to see mass, diameter, moons, temperature, and distance from sun. Beautifully styled static data.
UD5 Toolkit
Astronomy Photo of the Day — Explore the cosmos, one image at a time
Default: DEMO_KEY (limited to 30 req/hr). Get free key
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Click a planet to see mass, diameter, moons, temperature, and distance from sun. Beautifully styled static data.
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.
List of major annual meteor showers with next peak date and moon phase prediction. Stargazing planner.
Drag to see how a solar eclipse occurs. Visualize the moon's shadow. Educational and interactive.
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.
Add realistic rain, snow, or fog to any photo. Control intensity and direction. Download the atmospheric result.
Select common materials (wood, plastic, metals) and see density chart. Predict floating. Fun science.
A unique Sudoku puzzle generated for today's date. Four difficulty levels. Purely local logic.
Add plants and track when you last watered them. Get a simple visual alert when it's time to water. Local storage.
Add a realistic animated rain or static rain overlay to your image. Adjust opacity and droplet size. Download final.
Randomly picks an indoor activity from a curated list sorted by age. No materials, no prep ideas included. Banish boredom.
Call navigator.storage.estimate() and display a visual pie chart of used vs. available browser storage. For PWA debugging.
Enter any date and get the ISO week number. Also shows start and end of that week. Handy for project planning.
Set weekly reminders to soak your air plants. Timer and drying instructions included.
Log floor time minutes for small pets. See weekly average. Ensure enough exercise. Local storage.
Find the best tilt angle for solar panels based on your latitude and season (summer, winter, average). Simple trigonometric estimation. No location data sent.
Set a custom watering frequency reminder for succulents, with seasonal adjustment. Visual icon. Works offline after setup.
Set interval reminders to reapply sunscreen every 2 hours (or custom) with sound and notification. Protect kids' skin.
List cached responses for your domain. View headers, content, and delete individual entries. Understand your PWA's cache.
See a live readout of window scrollX and scrollY. Visualize scroll direction. For debugging sticky navs.
Enter your weight and activity level to get a recommended daily water intake goal. Reminder to drink up.
Type an element name or symbol and instantly see its key properties (atomic mass, group, electronegativity). Quick reference.
Drop a PDF and see its embedded metadata: author, title, creation date, and more. No content is uploaded; pure browser PDF parsing.
Set a financial goal and track progress with an animated thermometer. Enter current savings, target amount, and see percentage complete. Motivational & local.
Compute personalized daily water intake based on weight, climate, and exercise intensity. Converts to common cups/ounces. Purely local with no tracking.
Calculate travel time by entering distance and average speed. Add rest stops duration. Get estimated arrival time. Simple travel planner.
Offline‑first search of the CanIUse database. Type a CSS property, HTML element, or API and see global support percentages. Fast.
Convert between Gregorian and Hijri (Islamic) dates. Approximate visual reference. Local algorithm.
Enter cabinet width and find optimal placement for knobs or pulls. Visual layout with grid. Achieve professional look.