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https://github.com/cryptii/cryptii

A web app for modular conversion, encoding, and encryption, all performed directly in your browser with no server interaction
https://github.com/cryptii/cryptii

cipher conversion encoding encryption enigma enigma-machine framework webapp

Last synced: 4 days ago
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A web app for modular conversion, encoding, and encryption, all performed directly in your browser with no server interaction

Host: GitHub
URL: https://github.com/cryptii/cryptii
Owner: cryptii
License: mit
Created: 2013-11-03T14:10:46.000Z (about 11 years ago)
Default Branch: main
Last Pushed: 2024-10-27T20:32:29.000Z (3 months ago)
Last Synced: 2025-01-09T23:02:46.735Z (11 days ago)
Topics: cipher, conversion, encoding, encryption, enigma, enigma-machine, framework, webapp
Language: JavaScript
Homepage: https://cryptii.com/
Size: 2.05 MB
Stars: 1,389
Watchers: 39
Forks: 241
Open Issues: 41
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- Funding: .github/FUNDING.yml
- License: LICENSE.txt
- Code of conduct: CODE_OF_CONDUCT.md
- Security: SECURITY.md

Awesome Lists containing this project

awesome - cryptii/cryptii - Web app and framework offering modular conversion, encoding and encryption (JavaScript)

README

        # cryptii

[![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com)

[![MIT license](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE.txt)

A web app for modular conversion, encoding, and encryption, all performed directly in your browser with no server interaction — [cryptii.com](https://cryptii.com)

## Getting started

- Use the [live version](https://cryptii.com)

- Download the [latest stable release](https://github.com/cryptii/cryptii/releases/latest) or [other releases](https://github.com/cryptii/cryptii/releases)

- Clone the repository: `git clone [email protected]:cryptii/cryptii.git`

- Build project locally:

  - Ensure you have Node.js of version specified in `.nvmrc` installed.

  - Install dependencies: `npm install`

  - Run build tasks: `npm run build`

  - Run build tasks on file change: `npm run dev`

- [Contribute to the project](CONTRIBUTING.md) or [report an issue](https://github.com/cryptii/cryptii/issues/new/choose)

## Concept

This framework and web app are designed to support a wide range of ciphers, formats, algorithms, and methods, referred to as ‘Bricks,’ while keeping them easily combinable. There are two main types of Bricks: Encoders and Viewers. Encoders process content by encoding or decoding it using specific methods and settings, while Viewers allow users to view, edit, and interact with content fed into or generated by Encoders in various formats.

Bricks can be arranged sequentially within a Pipe. When content is modified in a Viewer or Brick settings are adjusted, the changes propagate through the Pipe’s Bricks in sequence, in both directions.

Chain objects serve as containers for UTF-8 text or binary content exchanged between Bricks. They automatically handle the conversion between text-based and binary-based formats, enabling seamless integration when transitioning between different content types.

## Brick library

| Name | Category | Description |

| ---- | -------- | ----------- |

| [`a1z26`](https://cryptii.com/pipes/a1z26-cipher) | Ciphers | Number to letter encoder (A1Z26) |

| [`adfgx-cipher`](https://cryptii.com/pipes/adfgvx-cipher) | Polybius square | [ADFGX cipher](https://en.wikipedia.org/wiki/ADFGVX_cipher) |

| [`affine-cipher`](https://cryptii.com/pipes/affine-cipher) | Ciphers | [Affine Cipher](https://en.wikipedia.org/wiki/Affine_cipher) |

| [`alphabetical-substitution`](https://cryptii.com/pipes/alphabetical-substitution) | Ciphers | [Alphabetical substitution](https://en.wikipedia.org/wiki/Substitution_cipher#Simple_substitution) |

| [`ascii85`](https://cryptii.com/pipes/ascii85-encoding) | Encoding | [Ascii85 / Base85](https://en.wikipedia.org/wiki/Ascii85) incl. variant [Z85](https://rfc.zeromq.org/spec:32/Z85/) |

| [`bacon-cipher`](https://cryptii.com/pipes/bacon-cipher) | Ciphers | [Bacon's cipher](https://en.wikipedia.org/wiki/Bacon%27s_cipher) |

| [`base32`](https://cryptii.com/pipes/base32) | Encoding | [Base32](https://en.wikipedia.org/wiki/Base32) incl. variants base32hex, z-base-32, … |

| [`base64`](https://cryptii.com/pipes/text-to-base64) | Encoding | [Base64](https://en.wikipedia.org/wiki/Base64) incl. variants base64url, … |

| [`baudot-code`](https://cryptii.com/pipes/baudot-code) | Encoding | [Baudot code](https://en.wikipedia.org/wiki/Baudot_code) |

| [`bifid-cipher`](https://cryptii.com/pipes/bifid-cipher) | Polybius square | [Bifid cipher](https://en.wikipedia.org/wiki/Bifid_cipher) |

| [`bitwise-operation`](https://cryptii.com/pipes/bitwise-calculator) | Transform | [Bitwise operations](https://en.wikipedia.org/wiki/Bitwise_operation) (NOT, AND, OR, …) |

| [`block-cipher`](https://cryptii.com/pipes/aes-encryption) | Modern cryptography | [Block ciphers](https://en.wikipedia.org/wiki/Block_cipher) incl. [AES](https://en.wikipedia.org/wiki/Advanced_Encryption_Standard) |

| [`bootstring`](https://cryptii.com/pipes/bootstring) | Encoding | [Bootstring](https://tools.ietf.org/html/rfc3492) |

| [`bytes`](https://cryptii.com/pipes/text-to-binary) | View | Viewing and editing bytes |

| [`caesar-cipher`](https://cryptii.com/pipes/caesar-cipher) | Ciphers | [Caesar cipher](https://en.wikipedia.org/wiki/Caesar_cipher) |

| [`case-transform`](https://cryptii.com/pipes/convert-case) | Transform | Transforms to upper case, lower case, … |

| [`enigma`](https://cryptii.com/pipes/enigma-machine) | Ciphers | [Enigma machine](https://en.wikipedia.org/wiki/Enigma_machine) incl. 13 models |

| [`hash`](https://cryptii.com/pipes/hash-function) | Modern cryptography | Creating a [message digest](https://en.wikipedia.org/wiki/Cryptographic_hash_function) |

| [`hmac`](https://cryptii.com/pipes/hmac) | Modern cryptography | Creating a [Hash-based message authentication code](https://en.wikipedia.org/wiki/Hash-based_message_authentication_code) |

| [`integer`](https://cryptii.com/pipes/integer-encoder) | Encoding | Translates between bytes and [integers](https://en.wikipedia.org/wiki/Integer_(computer_science)) |

| [`morse-code`](https://cryptii.com/pipes/morse-code-translator) | Alphabets | [Morse code](https://en.wikipedia.org/wiki/Morse_code) (English) |

| [`nihilist-cipher`](https://cryptii.com/pipes/nihilist-cipher) | Polybius square | [Nihilist cipher](https://en.wikipedia.org/wiki/Nihilist_cipher) |

| [`numeral-system`](https://cryptii.com/pipes/roman-numerals) | Transform | Translates numerals between systems |

| [`punched-tape`](https://cryptii.com/pipes/baudot-code) | View | [Punched tape](https://en.wikipedia.org/wiki/Punched_tape) |

| [`polybius-square`](https://cryptii.com/pipes/polybius-square) | Polybius square | [Polybius square](https://en.wikipedia.org/wiki/Polybius_square) |

| [`punycode`](https://cryptii.com/pipes/punycode) | Encoding | [Punycode](https://tools.ietf.org/html/rfc3492) |

| [`rail-fence-cipher`](https://cryptii.com/pipes/rail-fence-cipher) | Ciphers | [Rail fence cipher](https://en.wikipedia.org/wiki/Rail_fence_cipher) |

| [`rc4`](https://cryptii.com/pipes/rc4-encryption) | Modern cryptography | [RC4](https://en.wikipedia.org/wiki/RC4) incl. RC4-drop |

| `replace` | Transform | Finds and replaces a given text |

| [`reverse`](https://cryptii.com/pipes/reverse-text) | Transform | Reverses the order of bytes, characters or lines |

| [`rot13`](https://cryptii.com/pipes/rot13) | Ciphers | [ROT13](https://en.wikipedia.org/wiki/ROT13) incl. variants ROT5, ROT18 & ROT47 |

| [`spelling-alphabet`](https://cryptii.com/pipes/nato-phonetic-alphabet) | Alphabets | Several [spelling alphabets](https://en.wikipedia.org/wiki/Spelling_alphabet) |

| [`tap-code`](https://cryptii.com/pipes/tap-code) | Polybius square | [Tap code](https://en.wikipedia.org/wiki/Tap_code) |

| [`text`](https://cryptii.com/pipes/text-to-binary) | View | Viewing and editing in plain text |

| [`trifid-cipher`](https://cryptii.com/pipes/trifid-cipher) | Polybius square | [Trifid cipher](https://en.wikipedia.org/wiki/Trifid_cipher) |

| [`unicode-code-points`](https://cryptii.com/pipes/unicode-lookup) | Encoding | Encoding to Unicode code points in given format |

| [`url-encoding`](https://cryptii.com/pipes/urlencode) | Encoding | [URL encoding / Percent-encoding](https://en.wikipedia.org/wiki/Percent-encoding) |

| [`vigenere-cipher`](https://cryptii.com/pipes/vigenere-cipher) | Ciphers | [Vigenère cipher](https://en.wikipedia.org/wiki/Vigen%C3%A8re_cipher) incl. [Beaufort cipher](https://en.wikipedia.org/wiki/Beaufort_cipher) variants |

---

A project by [Wierk](https://wierk.lu/?utm_source=cryptii&utm_medium=referral&utm_campaign=open_source_projects) and [contributors](https://github.com/cryptii/cryptii/graphs/contributors). Released under the [MIT license](LICENSE.txt).