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Browse the tool catalog - Geography & Science | Page 2

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Focused on Geography & Science. Page 2.

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Math, Date & Finance613

Calculators, numerics, date logic, statistics, and finance tools

Images, Audio & Video582

Image, audio, and video processing, conversion, and optimization tools

Design & Color291

Color, layout, graphics, visual styling, and design helper tools

Text & Writing204

Writing, cleanup, formatting, extraction, and text analysis tools

Developer & Web172

Developer utilities, networking, web debugging, and automation helpers

Conversion & Encoding169

Format, file, archive, unit, and encoding conversion tools

Audio Encoding and Format Conversion Tools

Image Format Conversion and Animated Export Tools

JSON Interchange and Format Translation Tools

Color Space Conversion Tools for Web and Print

Text Case, Encoding, and Normalization Conversion Tools

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Geography

Postal Code Finder

Find postal code formats and examples for any country

Astronomy

Planet Position Finder

Find the current position of planets in the sky

Astronomy

Meteor Shower Predictor

Predict and display information about major annual meteor showers

Geography

Midpoint Calculator

Calculate the geographic midpoint between two coordinates on Earth

Astronomy

Moon Phase Calculator

Calculate the current moon phase and illumination

Astronomy

Keplerian Orbital Element / TLE / SGP4 Satellite Position Calculator

Parse a TLE, show the six Keplerian elements (with derived semi-major axis & period), propagate with SGP4 for ECI position, sub-satellite point, ground track, elevation visibility and Doppler shift

Astronomy

Kepler Orbit Solver

Numerically solve Kepler’s equation E − e·sin(E) = M for eccentric anomaly E, true anomaly ν, orbital radius and relative speed, with Newton/bisection/fixed-point methods, convergence history and an SVG orbit diagram

Geography

Maidenhead to Coordinates

Convert Maidenhead locator system to latitude and longitude (used by amateur radio operators)

Astronomy

Light-Year and Astronomical Unit Converter

Convert between light-years (ly), parsecs (pc), astronomical units (AU), kilometers and meters using IAU-defined constants, with a parallax-angle → distance helper.

Astronomy

Lunar Eclipse Calculator

Calculate lunar eclipse dates and types for any year

Astronomy

Galactic / Equatorial Coordinate Converter

Convert astronomical positions between equatorial (RA/Dec J2000 and B1950), galactic (l/b), and supergalactic (SGL/SGB) coordinate systems. Accurate J2000 IAU 1958 galactic rotation, de Vaucouleurs supergalactic system, and IAU 1976 precession between epochs. Accepts sexagesimal (12h51m26s) or decimal-degree input and shows all four systems for each object.

Astronomy

ISS & Satellite Pass Tracker

Predict ISS, Hubble, and representative Starlink passes for a chosen observing point and date