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About dCode

Tool to contact/support and everything that is needed to know on dCode and about his authors, its business model... Information not encrypted ;)


About dCode -

Tag(s) : dCode

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 'About dCode' tool, so feel free to write! Thank you!

About dCode

dCode: Overview

dCode is a toolkit website for decryption, ciphertexts, cheating at letter games, solve riddles, treasure hunts, etc. Opened in 2009, the site has grown steadily and improved, offering more and more tools and carried by its users, dCode has become a public site, free and open to all!

dCode team

dCode author is an engineer, webmaster, and most of all a great riddles/puzzle games enthusiast, a cryptography fan, player of letter games, and games in general. Through his experiences, he developed tools that allow to automate the search processes in word games, deciphering of secret messages, and boring treatment in riddles. In order to share its creations, he launched the site: Today, the site has grown and a with the help of a small team of enthusiasts friends, he continues its development.

dCode on Twitter

Answers to Questions (FAQ)

How to contact dCode?

By letting a comment (at the bottom) or by clicking on Contact me.

Example: On Twitter: @dCode_fr

Help requests are usually ignored, please use Discord for that.

How to help dCode?

Solution 1: Support: dCode is ad supported, please tolerate them. At the same time, dCode accepts donations via Paypal or Patreon.

Solution 2: Share: getting to know dCode and seeing its audience growing is part of what is most encouraging.

Click on the Share image on every page (right column) and share dCode pages on social media, talk about dCode to your friends, write articles on your site, blogs, etc. All means are good!

Here is a list of sites that help to make dCode famous:

— Geocaching here (link) millions of hidden geocaches with millions of riddles

— N0t Pr0n here (link) one of the first navigator based riddle game

— Decipher by Aroktyoe here (link) a list of crypotographic ressources

Solution 3: Participate : suggest improvements, show bugs, use Discord etc.

Thanks to LeSingeMalicieux for its incredible knowledge about cryptography.

Thanks to everyone that send messages to help the site.

What is the name of dCode logo?

dCode logo is a cryptex, a word invented by the writer Dan Brown, author of the Da Vinci Code, to name an object probably created by Leonardo Da Vinci. It is a cylinder with a code which opening is conditioned by a password, any wrong attempt will destroy its content. Buy a cryptex here (link)

What is dCode's hosting service? is hosted by OVH: Société OVH. Headquarters: 2 rue Kellermann - 59100 Roubaix, France. Phone. +33 (0)8 99 70 17 61. Website:

What are dCode's Terms of Service?

Use of the dCode site implies acceptance of the following general terms and conditions of use (T&Cs) (T&Cs and legal notices subject to change at any time, users are invited to consult them each time they use the site).

The dCode site is supposed to be accessible at all times, for all users connected to the server, nevertheless interruptions (voluntary: update, technical maintenance, etc.) or involuntary (hosting problems, bugs, etc.) may nevertheless occur.

The dCode site is made up of forms intended to solve problems (mathematics, literature, computer science, cryptography, etc.) and strives to provide results and information as exhaustive and fair as possible. However, the authors cannot be held responsible for any omissions or inaccuracies in the results and information provided. The data and information that can be consulted on the site changes regularly and cannot be considered reliable over time.

The dCode site uses standard web technologies (HTML, CSS, JavaScript) and cannot be held responsible for direct or indirect damage related to the use of the site. The user agrees to use the site only with recent hardware and updated and unmodified software (hacking, viruses, etc.).

The authors of the dCode site own the intellectual property rights and hold the rights to use the texts, images and databases presented (unless another license is indicated). Any reproduction, modification, adaptation of all or part of the dCode site is prohibited without authorization under penalty of prosecution (cf. Intellectual Property Code).

By using the dCode site, the hosting service has the obligation to collect certain data as the user's IP address. dCode is also likely to record certain information entered by users, in particular for statistical purposes. Note that no direct request asking for surname, first name, address, or other identifying personal data will be made on the dCode site. However, when using some services offered by dCode, the user must be careful not to provide identifying or confidential information, especially when entering it himself, as security is not guaranteed for this data.

The dCode site offers links to other sites but does not have the capacity to check the updated content of the sites thus visited, and cannot be held responsible for their content.

Browsing dCode requires information to be recorded, or read. Continue browsing implies the acceptance of cookies for audience measurement and for personalized targeted advertising on dCode website.

The dCode site allows any user to freely manage cookies from Internet browser settings and recommends these instructions here (link)

As an Amazon Associate, dCode earns from qualifying purchases. Amazon and the Amazon logo are trademarks of, Inc. or its affiliates.

Source code

dCode retains ownership of the "About dCode" source code. Except explicit open source licence (indicated Creative Commons / free), the "About dCode" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or the "About dCode" 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, or API access for "About dCode" are not public, same for offline use on PC, tablet, iPhone or Android !
The copy-paste of the page "About dCode" or any of its results, is allowed as long as you cite the online source
Reminder : 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 'About dCode' tool, so feel free to write! Thank you!

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