> cat /dev/github | grep security-tools
discovered 30 Mar 2026

CaptfEncoder

JavaScript ★ 1283 via github-topic
→ View on GitHub

AI Summary: CaptfEncoder is an open-source, cross-platform network security tool suite designed for code conversion, cryptography, and a variety of online query tools. It features a wide range of encoding methods, classical ciphers, and modern cryptographic algorithms, enabling users to perform tasks such as data encoding, encryption, and security analysis efficiently. The tool is built in Rust, ensuring enhanced performance and supports a variety of operating systems including Windows, Linux, and macOS.


README

CaptfEncoder Logo

CaptfEncoder

GitHub release license

English | 中文 | V1 | V2


Captfencoder is a opensource rapid cross platform network security tool suite, providing network security related code conversion, classical cryptography, cryptography, asymmetric encryption, miscellaneous tools, and aggregating all kinds of online tools.

CaptfEncoder Screenshot

CaptfEncoder V3 develop by Rust, Executable programs are smaller, faster, better performing, and more powerful.

CaptfEncoder V3 suport script extension.

CaptfEncoder screenshot

Support operating system

  • Windows
  • Linux(Centos,Ubuntu…)
  • MacOS

Mac OS screenshot

CaptfEncoder screenshot

Ubuntu 20 screenshot

CaptfEncoder screenshot

Centos 7 screenshot

CaptfEncoder screenshot

Use

downloads the executable

Function introduction

  • Converter

    • Ascii encoding
    • Hex encoding
    • Base64 encoding
    • Base16 encoding
    • Base32 encoding
    • Base series(Base58,Base62,Base62,Base85,Base91,Base92)
    • Url encoding
    • Html entity encoding
    • Shellcode encoding
    • Unicode encoding
    • Morse code
    • Punycode encoding
    • Quoted-printable encoding
    • Tap code encoding
    • Uuencode encoding
    • Brainfuck encoding
  • Classical cipher

    • ADFGX cipher
    • ADFGVX cipher
    • Affine cipher
    • Atbash cipher
    • Autokey cipher
    • Baconian cipher
    • Beaufort cipher
    • Caesar cipher
    • Columnar Transposition cipher
    • Four Square cipher
    • Fractionated Morse cipher
    • Hill cipher
    • Playfair cipher
    • Polybius Square cipher
    • Porta cipher
    • Rail-fence cipher
    • ROT13 cipher
    • Running Key cipher
    • Scytale cipher
    • Simple Substitution cipher
    • Vigenere cipher
  • Cryptology

    • MD5
    • MD2
    • MD4
    • RIPEMD series(RIPEMD-128、RIPEMD-160、RIPEMD-256、RIPEMD-320)
    • SHA1
    • SHA256 、SHA series(SHA 224,SHA384,SHA512,SHA3-224,SHA3-256,SHA3-384,SHA3-512)
    • HMAC
    • AES-128
    • DES
    • Blowfish
    • RC2
    • RC4
    • SM3
    • SM4
    • Bcrypt
    • Scrypt
  • Asymmetric

    • RSA generate key
    • RSA encrypt
  • Query(Online)

    • Factordb
    • Whois
    • crt.sh
    • DNS Lookup
    • DNS Dumpster
    • GeoPing
    • IP info
    • IP Whois
    • IP ASN
    • BGP View
    • Censys
    • Factordb
    • IP ASN
    • IP info
    • IP Whois
    • Whois
  • Misc

    • File hash
    • File type
    • Image exif
    • Base64 image encode/decode
    • Qrcode encode/decode
    • CIDR calculator
    • Ping
    • Port scan

Old version

Project website

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