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dCode is the universal site for decoding messages, cheating on letter games, solving puzzles, geocaches and treasure hunts, etc. All game tools, puzzles, codes, encryptions and dictionaries are available on

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dCode and more

dCode is free and its tools are a valuable help in games, maths, geocaching, puzzles and problems to solve every day!
A suggestion ? a feedback ? a bug ? an idea ? Write to dCode!

Please, check our dCode Discord community for help requests!
NB: for encrypted messages, test our automatic cipher identifier!

Thanks to your feedback and relevant comments, dCode has developed the best '' tool, so feel free to write! Thank you!

Word/Letters game Tools

dCode Scrabble dCode offers tools to win for sure, for example the Scrabble solver, the famous board game. Also, if you can not finish your crosswords, dCode solves it for you. Do not hesitate to try tools like longest word finder, the anagram generator, the boggle solver, etc. they are free! You can also make a word search, such as finding the list of words beginning with some letters (or ending with others) or with an advanced words search by criteria...

dCode Crosswords dCode provides tools to search for words in a huge dictionary, guaranteeing help (cheat?) in all word games. See letters games tools!

Cryptographic Tools

dCode César dCode, as the name implies, automatically decodes a large variety of encryptions. With its cipher identifier (that recognizes automatically more than 200 ciphers), Caesar cipher, Vigenere cipher, Polybius' square, and dozens of other encryptions are quickly decrypted.

dCode has a huge library of scripts for decoding or encoding messages with standard cryptography techniques. Check all crypto tools!

Codes and alphabets Tools

dCode Substitution dCode can speak hundreds of languages and lots of codes like Morse code, the A=1,Z=26 code, but also 1337 (Leet Speak) or the Braille alphabet. It can also generate barcodes or QR-Code...

dCode can decode or encode messages with various symbols to replace our usual latin alphabet. See all codes' tools!

Mathematical Tools

dCode Maths dCode calculates for you! Need an equation solver, make boolean calculations, compute prime numbers decomposition or need a cryptarithm solver? On dCode, it's automatic. The tools are made to be simple ranging from the GCD to the base-N converter through the combinations (k among n) generator, the probabilities, or the calculation of irreducible fractions. There are even practical tools like the number in letters converter.

dCode, its tools, its codes would be nothing without mathematics and its number theories and especially arithmetic. Check all maths tools!

Informatics Tools

dCode Binaire dCode manages algorithms and informatics standards like ASCII, the Base 64, the MD5 password encryption or the Unicode standard. Everything is based on the binary and its derivatives: BCD or the Gray code. And for the exports, take a look at the Brainfuck (and variants)!

dCode and its scripts are based on programming, is techniques, methods, and so there are a lot of tools for geeks. See more IT tools!

Games Solving Tools

dCode Sudoku dCode self plays and wins, make a random selection, find solutions for the countdown number game, win a Mastermind game, same for the Sudoku solver. More complex puzzle games are available such as the Magic Square or the Wordoku puzzle.

dCode loves games, from small puzzle games to world-famous board games, anything that is not based on chance can be modeled and solved by dCode. See more games tools!

Miscellaneous Tools

dCode RVB dCode it's also tons of tools for processing data like finding a difference between two texts, or generate random selections. dCode handles also image processing like RGB channel separation or word processing with the search by regular expressions. dCode also manages databases like the ISBN search, the French departments , tools for finding the IP address of a website etc. Finally there are useless but essential tools, like the upside down writing or the reverse writing.

dCode also has its unclassifiable pages, but very useful tools to complete the list of everything you might need. Go to all misc tools!

Answers to Questions (FAQ)

How to search for a tool on dCode?

A search bar is available on every page below the menu. For an efficient search, type one or two keywords.

Example: caesar for the caesar cipher (and variants), count for the countdown number game solver

Where is the list of all dCode tools?

The All Tools page lists all dCode pages. The tools are regularly updated, according to the users' requests (you).

A link to the All Tools page is available on all pages of the site.

How to decrypt a message automatically?

dCode has a tool to detect what type of encryption/cipher has been used to code a message: test our cipher recognizer.

Source code

dCode retains ownership of the online "" source code. Except explicit open source licence (indicated CC / Creative Commons / free), the "" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or the "" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, copy-paste, or API access for "" are not public, same for offline use on PC, tablet, iPhone or Android ! Remainder : dCode is free to use.

Need Help ?

Please, check our dCode Discord community for help requests!
NB: for encrypted messages, test our automatic cipher identifier!

Questions / Comments

Thanks to your feedback and relevant comments, dCode has developed the best '' tool, so feel free to write! Thank you!

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