TechFinity toolkit
Crypto Toolkit
A curated toolkit of ciphers, encoders, analyzers, and crypto-related utilities.
Analysis
Crypto Lab (Frequency/IoC/Entropy)
Frequency analysis, bigrams/trigrams, index of coincidence, Shannon entropy.
Cipher Identifier
Heuristic detection for common encodings and hash-like strings.
Hash Identifier
Identify likely hash algorithms by length and format hints.
Classical Ciphers
Encoding Tools (Classical tab)
Caesar, Vigenère, Atbash, Affine, Rail Fence, Polybius, Morse, T9 and more.
Playfair Cipher
Digraph substitution cipher using a 5x5 key square.
Hill Cipher (2×2)
Matrix cipher modulo 26 with invertibility checks.
Columnar Transposition
Keyword-based column ordering transposition cipher.
XOR / One-Time Pad Helper
XOR cipher helper for learning and testing encodings.
Modern Crypto Helpers
Encryption Tools
Hashing, AES encrypt/decrypt, RSA, PBKDF2, HMAC, signatures.
PBKDF2 (standalone)
Derive keys from passwords with iterations and salt.
X.509 Certificate Viewer
Inspect X.509 certificates and common fields.
Telecom Encodings
DTMF Tools
DTMF keypad reference and encoder tools.
T9 / Keypad
Telephone keypad encoder and reference.