Have you ever encountered a Puzzle (Mystery) Cache that had you so baffled that you didn’t even know where to begin?  This list of Puzzle Resources should give you a place to start.

NOTE:  This list of puzzle resources merely scratches the surface of the information available.  If you know of a resource that is not listed, please tell us so that we can share it.  If you find a link that is broken, please let us know so that we can update our information. As with anything on the Internet, please be cautious when downloading files.

Puzzle Resources   (Updated August 25, 2022)

Ciphers

• • The Black Chamber – Various Ciphers
  • Cryptarithms – Decrypts a computation where each digit has been substituted by a letter
  • Rumkin Cipher Tools – A very useful cipher site
  • CrypTool-Online – Classical ciphers explained with online tools
  • Codebreaker and Vigenère Cipher Codebreaker
  • Transposition Cipher Solver – A simple tool
  • Braingle – Codes, Ciphers, Encryption and Cryptography
  • Secret Code Breaker – Online solvers and cipher information
  • American Cryptogram Association – Solve a Cipher
  • Dainfo.deerfield.edu – General and Specific Cipher Sites
  • Geoleaks – Various Ciphers

Puzzle Solvers/Decoders

• Cryptii – Conversion, translations, & more
• Mlsite – KenKen puzzle solver
• Wordsmith.org – Anagram Solver
• SudokuWiki – Sudoku, Jigsaw, Windoku solvers and more!
• ROT13 – Encoder/Decoder
• Iterative Anagram Solver – Decode multi-word anagrams word by word
• dCode – A HUGE source of solvers for your puzzle needs.  Searchable
• Geocaching Toolbox – Solvers for text, coordinates, and encrypted puzzles
• HangingHyena – Word game solvers, cryptography tools, Jumble solver and a guide to basic cryptography
• Guballa – Online cryptogram solver
• Robert Eisele – You can never have too many Caesar cipher decrypters
• Base 64 Decoder/Encoder
• quipqiup – Fast and automated cryptogram solver
• GPS Visualizer – Calculate coordinates, distances and draw maps from simple coordinates
• Base64 Decoder – Text or Binary
• Math Is Fun – Binary to Decimal to Hex Converter
• Kenny Translator
• My Geocaching Profile – Caesar Cipher 
• Anagram Solver – Online anagram solver
• What’s This W?rd – Crossword solver
• Scott Bryce – Cryptograms
• The Blob – Text rotator
• Morse Code Translator – International Morse
• Enigma Simulator – Requires download
• Transposition Cipher Solver – Decrypt in the horizontal switching format
• Duck Code – German site
• MultiSolver – Crypto, MapTools, Substitution BETA
• Quinapalus – Playfair Breaker
• Steganographic Decoder – Finds hidden payload in a JPEG
• Base64 Decoder –  Paste and click Decode, that simple
• Alphametic Puzzle Solver – Solves alphametic puzzles
• Sudoku Solver – Solves the puzzle completely, partially or single cell
• Sudoku Solver – Choose from more than 50 Sudoku solvers
• Logic Problem Solver – Used to solve those “If George, Paul, and John had brown hair, but Ringo had blonde hair, what’s the price of rice in China?” puzzles
• Slitherlink Solver and Generator – Logic solver and MORE
• Teal – Nonogram solver

Puzzle Reference

• How To Puzzle Cache – An extremely well thought-out book about Puzzle Caches.
• Puzzle Solving 101 – Strategy, Tactics, and MORE
• The Solitaire Encryption Algorithm – A step-by-step of the Solitaire method
• ASCII Alphabet Characters – ASCII characters
• LookupTables.com – HTML codes, scan codes, ASCII, and more
• IMDB – The most complete and authoritative source for movies, TV, and actresses/actors
• databaseSports – The largest sport database
• CIA’s World Factbook – A vast reference of all the countries in the world
• Solving Puzzle Caches – I’d Rather Be Geocaching’s tips
• Wikipedia List of Numbers – Various languages
• Omniglot – All about writing systems and languages
• ALT Codes List – ALT codes and symbols
• Cryptography Course – Presented by University of London
• Parmstro’s Geocaching Puzzle Pages – Hints on solving Puzzle Caches
• HTML – Reference
• GC Puzzle – TONS !! of Codes and Alphabets
• My Geocaching Profile – Encryption Resources
• Online Barcode Reader – Various formats
• Learn to Code – HTML, CSS, JavaScript
• Math Tables – Hierarchy of numbers, prefixes, Roman Numerals, MORE
• The Numbers List – Numbers from 1 to 10 in over 5000 languages
• IATA List – Airline codes
• Scout Ranks – Rank requirements and Merit Badges

Puzzle Tools

• Cachesleuth – A vast amount of tools
• WikiBruce – Puzzling tools and reference
• Earth Point – Convert coordinates and calculate position
• CryptoCrack – Freeware software tool
• PlanetCalc – Online calculators
• Boulter’s Geocaching Quick Search – A multi-functional search for Geocaching.com
• More Words – Find words for crosswords, codewords, Scrabble®, Upwords, Words with Friends and other word games and puzzles
• Number Empire – Math tools
• Unicode Character Search – Search for Unicode Characters
• Number Cruncher – Everything you ever wanted to know about a number
• Jeffrey’s Image Megadata Viewer – View the EXIF Data of an image
• Red Luth Riddle Tools – A TON of tools
• Forensically – A set of free tools for digital image forensics. It includes clone detection, error level analysis, meta data extraction and more.
• Branah – Unicode Converter
• Calendar Home – Convert a date
• Cleave Books – Number Base Calculator
• FizzyCalc – Download required. Converts coordinates to various formats
• Hidden-3D – Reveal Magic Eye Stereograms (Does not work with the Chrome Browser)
• Magic Eye Solver – Save your eyesight
• Zompist – Numbers from 1 to 10 in 5000 languages
• TinEye – Reverse image search with over 17 Billion images indexed
• Purple Hell – Alphabets, codes, conversions and more!
• RGB to HSB Calculator
• GC Tools – German site that has a large selection
• The Ermarian Network – Converters, Encryption
• EXIF Data – Exchangeable Image File viewer
• Reverse Image Search – Firefox browser extension built on top of TinEye/Google Image engines
• Steganocraphy – Geocaching Toolbox
• GIF Frame Extractor – Converts animated images into individual frames
• QR Code Scanner – Scans QR codes
• Nattyware – Download required, point to a color and Nattyware will give you the HEX, RGB, HTML, CMYK and HSV values
• Online Barcode Reader – Upload a file or enter a URL
• RGB to HSB Calculator – Converts RGB values to HSB values
• Online Steganography – Hide a secret message or file inside an image
• The Number Base Calculator – Changes numbers into different bases
• Convert World – Convert currency rates, distance, temperature and MORE
• Online Converter – Plain text, binary, decimal, hexidecimal, base64, check sum
• Binary to Decimal/Hexadecimal Converter – Can convert negatives and fractional parts too
• Pi Search – Uses linear and indexed searches
• View Source Code on Mobile Devices – Download required
• DIG Web Interface – Domain Information Groper
• The Nth Prime Page – Returns the nth prime number from your input
• FreeMapTools – Measure, search and overlay markup elements on maps
• Fizzy Magic – Various geocaching tools
• Geographic Tools – Coordinate conversion and Datum transformation
• Geocaching Toolbox – Coordinates tools, text functions, encryptions/ciphers, and MORE
• Geo Javawa – Coordinate projection, intersection, centers and MORE
• Cribbage Scorer – Enter the hand via the dropdown menus
• Cryptarithms Solver – Decrypts where each digit has been substituted by a letter
• BabelFish – Translate between languages
• CalendarHome – Convert a date
• JD Date/Time Converter – Used to convert a specified calendar date/time to an equivalent Julian Day
• GPS Coordinate Converter – Enter an address or coordinates

 

Puzzle Resources

NOTE:  If you find a broken link or find that one of the tools listed above is not family friendly, malicious, etc., please let us know here