dCode@dCode_fr

Online toolbox (solvers, cryptography, mathematics, word games, etc.)

dcode.fr
Joined December 2013
2 Photos and videos
dCode offers an online hash function tool supporting MD5, SHA1, SHA256, and other algorithms. The service allows hashing and decoding via brute-force or dictionary methods. dcode.fr/hash-function

Hash Function

Tool for hashing, cracking and decoding hash fingerprints (MD5, SHA1, SHA256, etc.). Decoding by brute-force or dictionary.

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Convert binary and decimal numbers with dCode's Binary Code tool. Base 2 conversion for encoding, decoding, and checking binary values. dcode.fr/binary-code

Binary Code

Tool to make binary conversions. Binary code is a numeric system using base 2 used in informatics/computers code.

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Change one letter at a time to transform a word into another. Explore word transformations with dCode: dcode.fr/word-letter-change

Word Letter Change

Tool to change one or more letters in a word. By changing one letter in a word, it is possible to make other new words according to some variations.

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Need to decode a ROT cipher? Use dCode to test different alphabet rotations and identify the original text: dcode.fr/rot-cipher

ROT Cipher

Tool to decrypt/encrypt by ROT. The code ROT for Rotation (which most common variant is Caesar Cipher) is the easiest shift-based encryption cipher.

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Explore the Collatz (3n+1) sequence using the dCode online tool. Evaluate how integers evolve through the 3n+1 algorithm dcode.fr/collatz-conjecture

Collatz Conjecture

Tool to test the Collatz conjecture (or Hailstone or 3n+1) and variants that divide a number by 2 if it is even and else multiply it by 3 and add 1.

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Access a collection of Gravity Falls cipher tools to decrypt hidden messages or create your own encoded text efficiently: dcode.fr/gravity-falls-ciphe…

Gravity Falls Cipher

Tool to decrypt / encrypt with the different ciphers used in the TV series Gravity Falls whose authors were fond of cryptograms.

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The dCode Base58 tool allows encoding and decoding data using the Base58 alphabet, designed to avoid visually ambiguous characters. Commonly applied in cryptocurrency wallet addresses and shortened identifiers. dcode.fr/base-58-cipher

Base 58

Tool to encrypt / convert with base 58 composed of alphanumeric characters except 0,O,I,l to avoid reading errors.

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Use the dCode Enigma Machine Cipher to reproduce historical Enigma encryption, including rotor and reflector behavior, for educational or research purposes. dcode.fr/enigma-machine-ciph…

Enigma Machine

Tool to decode/encode with Enigma automatically. Simulate German communications during World War II.

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Use the Matrix Inverse calculator from dCode to determine M^-1 for any square matrix, when the inverse exists. Designed for linear algebra applications. dcode.fr/matrix-inverse

Inverse of a Matrix

Tool to invert a matrix. The inverse of a square matrix M is a matrix denoted M^-1 such as que M.M^-1=I where I is the identity matrix.

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Remember texting on numeric keypads? dCode's T9 tool lets you encrypt and decrypt messages using classic SMS predictive input. dcode.fr/t9-cipher

T9 (Text Message)

Tool to decrypt/encrypt with T9 mode (predictive) for SMS text messages for (old) mobile phones or numeric keypads.

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dCode offers practical tools for working with the Rail Fence cipher, including brute-force decryption support. dcode.fr/rail-fence-cipher

Rail Fence (Zig-Zag) Cipher

Tools to decode/encode Rail Fence, a cipher using zig-zag writing, automatic decryption with brute-force mode.

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Analyze audio files with dCode's Spectral Analysis tool. Inspect sound frequencies and visualize hidden data in WAV, MP3, and more. dcode.fr/spectral-analysis

Spectral Analysis

Tool to perform spectral analysis of audio files (WAV, MP3, etc.) and display any hidden data in sound frequencies and their visualization.

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dCode offers an online Bacon cipher tool that applies the classic A/B based substitution method for quick decryption/encryption : dcode.fr/bacon-cipher

Bacon Cipher

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).

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Decode or encode text using the classic T9 predictive system on dCode: dcode.fr/t9-cipher

T9 (Text Message)

Tool to decrypt/encrypt with T9 mode (predictive) for SMS text messages for (old) mobile phones or numeric keypads.

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dCode provides a dedicated RSA numbers decryption tool for computing large numbers and decoding RSA-encrypted text. Learn more: dcode.fr/rsa-cipher

RSA Cipher

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...

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dCode offers a Base62 encoder/decoder for alphanumeric conversions. Useful for compact data representation. dcode.fr/base62-encoding

Base62 Encoding

Tool for encoding / decoding with the Base62 encoding system, using all alphanumeric characters (upper and lower case) forming a base 62.

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Compute and simplify any square root instantly with dCode's Square Root Calculator. Try it here: dcode.fr/square-root

Square Root

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.

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Comprehensive collection of symbol ciphers and their corresponding decryption/encryption tools: dcode.fr/symbols-ciphers

Symbols Cipher List

Tools and codes and ciphers list including symbols (glyphes) with direct links to pages to decrypt/encrypt with them.

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Decode or encode Brainfuck scripts easily with dCode’s online tool. Test it here: dcode.fr/brainfuck-language

Brainfuck

Tool to decode/encode in Brainfuck, an esoteric programming language consisting of characters like ++++---[+++].

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Encrypt or decrypt messages with the Affine cipher online. Decode text with (ax + b) mod 26 brute-force here : dcode.fr/affine-cipher

Affine Cipher

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.

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