Astronomy Calculator Suite
A set of astronomy related tools
Open tool →
ISS Space Station Tracker
Track the international space station.
Open tool →
Satellite Imagery Explorer
View satellite images by day taken
Open tool →
Sunrise / Sunset Calculator
Track golden hour, blue hour, etc.
Open tool →
Air Quality Index Tool
Check the air quality in your area.
Open tool →
Lightning strike map
Live lightning strike data
Open tool →
Photography Calculator Suite
19 photography tools & calculators
Open tool →
Image Compressor
Compress, optimize, adjust, resize and convert image files.
Open tool →
Image File Converter / Resizer
Resize and change image formats
Open tool →
Photo Metadata Viewer & Editor
Add, view, edit, and strip EXIF & PNG metadata from your photos.
Open tool →
Calendar Generator
Print Calendars
Open tool →
Date Calculator
Convert / calculate dates
Open tool →
Timezone Converter
Timezone converter / meeting scheduler
Open tool →
Timer / Countdown
A timer / countdown tool
Open tool →
Chemical Element Explorer
Learn the periodic table of elements
Open tool →
Open Library Book Finder
Find books, keep a book list, etc.
Open tool →
Gutenberg E-Book Reader
Over 70,000 classic books to read!
Open tool →
Nobel Prize Database
Research Nobel laureates
Open tool →
Scientific Calculator
Scientific Calculator
Open tool →
Unit Converter
Imperial & Metric - length, weight, temperature, volume, speed, pressure, energy, and power.
Open tool →
My Journal
Your private space for thoughts, moods, and memories.
Open tool →
Personal Knowledge Base
Organize your ideas, information, etc.
Open tool →
Todo List
Todo List creator
Open tool →
Flash Forge
Create and study flashcards
Open tool →
Sleep Cycle Calculator
Make sure you're getting enough sleep!
Open tool →