TL;DR — Quick Summary

lemmeknow identifies unknown data: hashes, encodings, API keys, tokens, credit cards, and more. Paste anything and it tells you what it is — 100+ format signatures.

lemmeknow identifies what you paste. Hash? Encoding? API key? It tells you.

Installation

cargo install lemmeknow

Usage

# Identify a hash
lemmeknow '5d41402abc4b2a76b9719d911017c592'

# Identify Base64
lemmeknow 'SGVsbG8gV29ybGQ='

# Identify from file
lemmeknow --file unknown-data.txt

# JSON output
lemmeknow --json '5d41402abc4b2a76b9719d911017c592'

# Strict boundary matching
lemmeknow --boundary 'eyJhbGciOiJIUzI1NiJ9'

Summary

  • lemmeknow identifies 100+ data formats
  • Hashes, encodings, tokens, API keys
  • File input and JSON output support
  • Strict boundary matching mode
  • Written in Rust — instant results