There are several types of mystery geocaches, many of which you need to solve at home before you venture out to find the geocache. This is a useful list of websites to help you solve those puzzles.
Geocaching Puzzle Help - A FB group for cachers around the world to ask for puzzle help. | |
Solving Geocaching Puzzles - A FB group for cachers around the world to ask for puzzle help. | |
Geocaching Puzzle of the Day - a collection of puzzles to solve daily. |
General |
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GC Puzzle Book - a downloadable pdf with lots of puzzle solvers and alphabets. |
How to Puzzle Cache - a brilliant book full of lessons, tips, tricks and hints for solving geocache puzzles. |
Parmstro's Geocaching Puzzle Pages - several tools and hints to solve geocaching puzzles along with useful links. |
Geocaching Toolbox - all geocaching tools a geocacher needs in one box! |
Cipher Types |
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Practical Cryptography - information on how to identify unknown ciphers. |
CrypTool Online - a variety of ciphers, coding methods, and analysis tools are introduced together with illustrated examples. |
Cipher Tools - several tools to solve ciphers. |
Cipher Types - a comprehensive list of several different ciphers. |
Secret Code Breaker - several downloadable tools. |
DCode - tools, ciphers, mathematics, communication systems, data processing and more! |
Purple Hell - several tools to solve ciphers. The website is now archived but a backup remains. |
The Black Chamber - several tools to solve ciphers. |
Braingle - codes, ciphers, encryption and cryptography. |
Solve Ciphers |
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Crytocrack - a cipher solving program for Windows. |
Quipqiup - cryptogram solver. |
Find Cipher Type - an archived site to help you to identify the cipher type. |
Ackgame - identify the cipher including letter counts, index of coincidence etc. |
Altamatic - cryptography: substitution and transposition ciphers, morse, numeric codes, digital hashes, and more! |
ROT Encoder/Decoder - ROT13 is a simple encryption cipher that Geocaching.com uses in its hints but this will decipher all ROT transformations. |
Transposition Cipher Solver - help decrypt transposition ciphers. |
Iread.it - create and solve cryptarithms and alphametics. |
My Geocaching Profile - several tools, Caesar & Vigenère cipher codebreakers and TinEye reverse image lookup. |
Vigenère Cipher - a program that allows you to encrypt and decrypt messages and files. It can also break the cipher - decode a ciphertext without the key. |
Enigma Decoder - decode Nazi secrets. |
Enigma Simulation - a more advanced enigma decoder. |
Spam Mimic - encodes or decodes a message within a spam message. |
Words |
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Omniglot - the online encyclopedia of writing systems & languages. |
Google Translate - translate any language. |
Anagram Solver - solves any anagram! |
Crossword Puzzles - an online crossword puzzle solver. |
Alphametic Applet - an alphametic is an arithmetic puzzle in which letters stand for digits. |
Numbers |
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Binary Translator - encodes and decodes ASCII and ANSI text as well as binary, hexadecimal etc. |
ASCII to Hex - encodes or decodes several number bases to text (binary, hex, decimal, octal, ROT13 & ASCII). |
Unit Converter - lots of different number unit converters (binary, hex, distances, weights, volume, areas, force, clothing etc). |
Number Converter - lots of different number converters (distances, weights, volume, areas etc). |
Planet Calc - several tools, cryptography, convertors, maths, geometry plus much more. |
Id-i-om - search irrational numbers including pi, e, square root of 2 and phi. |
Number World - online calculators, prime numbers, fibonacci numbers, equation solver etc. |
Integer Sequences - an on-line encyclopedia of integer sequences (OEISÂ®). |
Date Converter - Convert a date from any calendar (Gregorian, Julian, Mayan etc). |
Numbers - numbers in over 5000 languages. |
Sudoku Solver - enter the numbers of the puzzle you want to solve in the grid. |
KenKen Puzzle Solver - a suduko like puzzle. |
Kakuro Puzzle Solver - a logic puzzle refferred to as a mathematical crossword. |
Images |
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Magic Eye Solver - upload magic eye/stereograms to decipher. |
TinEye - a reverse image search. |
ImgOps - a reverse image search with metadata information and links to other image operations. |
Jeffrey's Image Metadata Viewer - examine the metadata of any image. |
Exif Tool - read, write and edit metadata information. |
GIF Explode Tool - extract a single frame image from an animated GIFs. |
Trojan - hides data inside pictures with or without a key. |
Hide Files in a Picture - hides a file in an image. |
Coordinates |
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Geographic Coordinate Conversion - a wikipedia page that explains the different types of geographic coordinate systems. |
Nearby - a brilliant coordinate converter between different formats. |
Grid Reference Finder - search by post code, what3words, coordinates and OS grid reference and show on several different maps. |
GPS Coordinate Converter - convert GPS coordinates and view them on maps. |
GPS Visualizer - calculate answers to some common geographic questions, and draw maps from simple coordinates. |
Geographic Midpoint Calculator - finds the exact point that lies halfway between two or more places. |
Integral Calculator - solve maths equations. |
FizzyCalc (Windows) - simple conversion of coordinates to various formats. |
Alphabets/Symbols |
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Morse Code Translator - decrypt/encrypt morse code to text from an audio file or text. |
Tap Code Translator - decrypt/encrypt tap code to text, used by prisoners in jail. |
Online Barcode Decoder - decode several variaties of barcodes like linear, QRcode, datamatrix, pdf417 and azteccode from an image, text or xml. |
Hyper Physics - lots of physics with calculators: mechanics, electricity, magnetism, heat, quantum, sound, hearing, light, relativity, etc. |
HTML |
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W3schools - web page building tutorials, and lists of coding for characters and colours used in HTML. |
Nattyware: Pixie - an application to find the hex, RGB, HTML, CMYK and HSV values of that colour. |
RGB to HSB Calculator - transform RGB colour values to HSB values. |
If you haven't done so already, you might want to check out our tips on Solving Geocaching Puzzles
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