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