Geocaching GCTK

150+ tools and decoding tables to help you solve mystery- and multi-caches and make navigational computations, conversions, decodings and text analyses.

The number of tools will grow depending your input, so mail us to suggest/request a new tool or decoding table!

* No additional in-app purchases required

* No additional charge for features/tools that will be added in future versions.

GCTK features:

CONVERSIONS

Base64/Binary/Decimal/Hex to ASCII

Binary/Decimal/Hex/Octal conversions

Celsius, Fahrenheit and Kelvin

D°M'S" conversions

Distances

Roman numbers

NAVIGATION

2 WPs + 2 bearings = new WP

2 WPs + 2 distances = 2 new WPs (Intersections of 2 circles)

3 WPs + 3 distances = new WP (Intersection of 3 circles)

Centroid & surface of triangle

Centroid of circle through any 3 WPs

Coordinatesystem conversions (3800+ systems!)

Crossing lines

Distance, bearing, middle of 2 WPs

Project a new WP

WP/Bearing + WP/Distance = new WP

DECODING: TABLES

Alphabet, Gernreich

Alphabet, Latin

ASCII

Baal horizontal

Baal diagonal

Bacon

Brahmi

Chappe

Futurama

Hexahue

HVD code

Illuminati cypher

Mayan numerical coding

Periodical system

Pigpen cyphers (3 x)

Resistor colorcodes

Sign language

Signal flags: maritime

Signal flags: NATO

Signal flags: semaphore

Web- & WingDings

- and approximately 90 more...

DECODING: INTERACTIVE

Braille

ROT-5/13/47 rotation

Cellphone keypad (char to num)

Cellphone keypad (num to char)

Morse

Signlanguage

Vigenère

NUMBERS

Prime numbers

Fibonacci numbers

Pi (decimals)

e (decimals)

TEXT

Frequency analyses

a=1, b=2, a=26, b=25, etc

Count characters

Count words

Hint decrypting

OTHER

Sudoku solver

QR code scanner

Barcode scanner

UPCOMING FEATURES:

- more and other tools depending your input!