encoding-toolkit

Installation
SKILL.md

What this skill does

Automatically detects the encoding format of an input string and performs encode/decode conversions across Base64, URL encoding, Hex, HTML entities, ROT13, and JWT formats. Uses only standard tools: base64, python3, and xxd.

When to use

  • Analyzing encoded strings found in web requests or responses
  • Stripping multiple encoding layers in CTF challenges
  • Inspecting JWT token headers and payloads
  • Converting payloads into various formats for WAF bypass testing

Prerequisites

  • python3 (uses standard library, no extra installation needed)
  • base64 command (built into Linux/macOS)
  • xxd command (built into Linux/macOS)

Inputs

Installs
5
GitHub Stars
21
First Seen
May 9, 2026
encoding-toolkit — woohyun212/security-skill