dCode.fr
dcode.fr
dCode.fr
@dcode.fr
Online toolbox (solvers, cryptography, mathematics, word games, etc.)
https://www.dcode.fr/en
dCode offers an online Bacon cipher tool that applies the classic A/B based substitution method for quick decryption/encryption : www.dcode.fr/bacon-cipher
Baconian Cipher - Francis Bacon Code AABAA - Online Decoder, Solver
Tool to decrypt/encrypt Bacon cipher, a 2-letter substitution alphabet which replace a character with a group of 5 formed with two letters (often A and B).
www.dcode.fr
November 27, 2025 at 1:41 PM
Decode or encode text using the classic T9 predictive system on dCode: www.dcode.fr/t9-cipher
T9 Converter (Text Message) - Online Phone SMS Decoder, Translator
Tool to decrypt/encrypt with T9 mode (predictive) for SMS text messages for (old) mobile phones or numeric keypads.
www.dcode.fr
November 13, 2025 at 9:22 AM
dCode provides a dedicated RSA numbers decryption tool for computing large numbers and decoding RSA-encrypted text. Learn more: www.dcode.fr/rsa-cipher
RSA Cipher Calculator - Online Decoder, Encoder, Translator
Tool to decrypt/encrypt with RSA cipher. RSA is an asymmetric algorithm for public key cryptography created by Ron Rivest, Adi Shamir and Len Adleman. It is the most used in data exchange over the Int...
www.dcode.fr
October 23, 2025 at 5:52 PM
dCode offers a Base62 encoder/decoder for alphanumeric conversions. Useful for compact data representation.
www.dcode.fr/base62-encod...
Base62 Encoding - Online Base 62 Decoder, Encoder, Translator
Tool for encoding / decoding with the Base62 encoding system, using all alphanumeric characters (upper and lower case) forming a base 62.
www.dcode.fr
October 16, 2025 at 6:47 AM
Compute and simplify any square root instantly with dCode's Square Root Calculator. Try it here: www.dcode.fr/square-root
Square Root Calculator √ - Simplifier - SQRT Online
Tool to compute and simplify a square root. The square root for a number N, is the number noted sqrt(N) that, multiplied by itself, equals N.
www.dcode.fr
October 9, 2025 at 5:27 AM
Comprehensive collection of symbol ciphers and their corresponding decryption/encryption tools: www.dcode.fr/symbols-ciph...
List of Symbols Cipher - Online Decoder, Translator
Tools and codes and ciphers list including symbols (glyphes) with direct links to pages to decrypt/encrypt with them.
www.dcode.fr
October 3, 2025 at 7:44 AM
Decode or encode Brainfuck scripts easily with dCode’s online tool. Test it here: www.dcode.fr/brainfuck-la...
Brainfuck Language - Online Decoder, Translator, Interpreter
Tool to decode/encode in Brainfuck, an esoteric programming language consisting of characters like ++++---[+++].
www.dcode.fr
September 25, 2025 at 5:34 PM
Encrypt or decrypt messages with the Affine cipher online. Decode text with (ax + b) mod 26 brute-force here : www.dcode.fr/affine-cipher
Affine Cipher - Online Decryption, Decoder, Encoder, Calculator
Tool to decrypt/encrypt with Affine cipher, an encryption function with additions and multiplication that codes a letter into another with value (ax + b) modulo 26.
www.dcode.fr
September 11, 2025 at 6:35 AM
Use dCode to translate and interpret the Standard Galactic Alphabet from popular games like Minecraft: www.dcode.fr/standard-gal...
Standard Galactic Alphabet (Minecraft) Translator - Online Decoder
Tool to decipher / read the standard galactic alphabet (SGA), used in Commander Keen then in other universes like Quake 4 or Minecraft (enchantment table alphabet). Instantly encode, translate and rec...
www.dcode.fr
September 4, 2025 at 5:51 AM
Decode or encode Wingdings symbols instantly using dCode's Wingdings glyphs converter tool: www.dcode.fr/wingdings-font
Wingdings Font Translator - Online Decoder/Converter
Tool to decrypt/encrypt with Wingdings. Wingdings is a character font with a set of pictograms or dingbats used on the Windows operating system.
www.dcode.fr
August 28, 2025 at 6:57 AM
Use this dCode's tool to convert messages to Morse code or interpret Morse signals.
Visit: www.dcode.fr/morse-code
Morse Code Translator - Online Alphabet Decoder & Encoder
Tool to decrypt/encrypt Morse code. Morse code is a system allowing to code a message by short and long impulsion. It is one of the first telecommunication codes.
www.dcode.fr
July 31, 2025 at 5:52 AM
Solve any Lights Out puzzle efficiently using dCode's Lights Out Solver. Input your grid and get the optimal solution.
www.dcode.fr/lights-out-s...
Lights Out Solver - Online Game Solving Helper
Tool/solver to resolve the Lights Out levels, a puzzle game based on a change of state/color of the cells of a grid (and its neighbours).
www.dcode.fr
May 29, 2025 at 7:07 AM
Use dCode’s tool to generate all possible combinations of k elements from a set of n objects. Ideal for mathematical and statistical applications.
www.dcode.fr/combinations
Combination Calculator - N Choose K - Online Number Generator
Tool to generate combinations. In mathematics, a choice of k elements out of n distinguishable objects (k choose n), where the order does not matter, is represented by a list of elements, which cardin...
www.dcode.fr
May 22, 2025 at 12:08 PM
Perform XOR operations on text or binary data with ease. The dCode XOR Cipher tool handles all formats.
Visit: www.dcode.fr/xor-cipher
XOR Cipher - Exclusive OR Calculator - Online Decoder, Encoder
Tool to decrypt/encrypt with XOR cipher (eXclusive OR), a moder cryptographic method that consists in encrypting a binary message with a repeated key using a XOR multiplication. Supports ASCII, hexade...
www.dcode.fr
May 15, 2025 at 10:22 AM
D0 y0u und3r574nd 1337 5p34k?
Use dCode’s translator to encode or decode 1337 speak
www.dcode.fr/leet-speak-1...
Leet Speak Translator - 1337 - Online Leetspeak Decoder, Encoder
Tool to translate/write in leet (1337). Leet speak 1337 5p34k, uses combinations of characters and symbols to rewrite letters with others graphically close.
www.dcode.fr
May 8, 2025 at 2:03 PM
Convert text using the Atbash substitution cipher (A ↔ Z, B ↔ Y, etc.).
Tool available at: www.dcode.fr/atbash-cipher
Atbash Cipher - Backwards/Reverse Alphabet - Online Decoder/Translator
Tool to decrypt/encrypt with Atbash (Mirror code), a substitution cipher replacing the first letter of the alphabet with the last, the second with the penultimate etc.
www.dcode.fr
May 1, 2025 at 1:21 PM
Try the dCode solver for Countdown numbers' games. Useful for math puzzles, training, or verification.
www.dcode.fr/countdown-nu...
Countdown Numbers Solver - Use These Numbers - Online Calculator
Tool to solve countdown numbers games automatically, e.g. to find a given number by performing operations on other numbers.
www.dcode.fr
April 24, 2025 at 9:58 AM
The Luhn algorithm (mod 10) is essential for verifying credit card and ID numbers. Check or compute Luhn-valid numbers on dCode: www.dcode.fr/luhn-algorithm
Luhn Algorithm - Credit Card Number Checker - Online Generator
Tools to check Luhn generated numbers. The Luhn algorithm (also called modulo 10 or mod 10) is a checksum formula for numbers/digits used with credit card or administrative numbers.
www.dcode.fr
April 17, 2025 at 11:20 AM
MD5 encryption and decryption made simple. Use dCode’s tool to generate hashes or search for possible plaintext values from a large dictionary. Explore: www.dcode.fr/md5-hash
April 3, 2025 at 5:56 AM
Convert text to Base64 and decode it effortlessly with dCode’s online tool. Fast, reliable, and easy to use and compatible with all common variants. Check it here: www.dcode.fr/base-64-enco...
Base64 Converter - Base 64 Cipher - Online Decoder, Encoder
Tool to decrypt/encrypt with base 64 (or Base64), an encoding system with 64 characters, selected to be compatible with a majority of coding tables.
www.dcode.fr
March 27, 2025 at 7:05 AM
Break alphabetic substitution ciphers with ease. dCode’s tool automatically find substituted letters and decrypt messages. Try it here: www.dcode.fr/monoalphabet...
Monoalphabetic Substitution Cipher - Online Cryptogram Decoder, Solver
Tool to decrypt monoalphabetical substitution and find each letter of a substituted message with a deranged alphabet (monoalphabetic cipher).
www.dcode.fr
March 20, 2025 at 8:19 PM
dCode’s Anagram Generator automatically rearranges letters to form new words. Useful for games, puzzles, and more. Try it online: www.dcode.fr/anagram-gene...
March 13, 2025 at 11:33 AM
Looking for the longest word you can form with specific letters? dCode’s Longest Word Solver provides instant results: www.dcode.fr/longest-word...
Longest Word with these Letters Finder - Online Word Maker/Solver
Tool/Solver to search for the longest word made out of some letters. Longest word is a game letter whose purpose is to find the longest word possible using some given letters, a concept close to anagr...
www.dcode.fr
March 6, 2025 at 8:28 PM
Need a fair way to make a random selection? Use dCode's Random Selection tool to generate unbiased choices effortlessly. Try it here: www.dcode.fr/random-selec...
Random Selection Generator - List/Choice Picker - Sweepstake Online
Tools to make random choices, generate random numbers, etc. Random Selection is a way to make a choice by computer randomization.
www.dcode.fr
February 27, 2025 at 6:42 AM
Looking for an online derivative calculator? dCode provides a precise tool for differentiating functions, including partial derivatives. Check it out: www.dcode.fr/derivative
Derivative of a Function Calculator - Online f'(x) Differentiation
Tool for calculating function derivatives (simple derivative or partial derivative). Formal calculator from an expression f(x) of the function to be differentiated.
www.dcode.fr
February 20, 2025 at 3:43 PM