Free tools

The analyst toolbox

Quick, browser-based utilities for day-to-day security work, plus a small library of runbooks and guidelines. Everything runs locally in your browser — nothing you paste is uploaded anywhere. Pick a tool from the left to get started.

IR / Analyst

Base64 · URL Encode / Decode · Hex ↔ Text · Hash Generator · JWT Decoder · Defang / Refang · IOC Extractor · Timestamp Converter · URL Parser · Punycode / IDN · XOR / ROT · Base32 · JSON Formatter · Line Tools · CIDR / Subnet · Hash Identifier · Email Header Analyzer · Security Header Analyzer · Certificate Decoder · Unicode Inspector

Library

Incident Response: the first hour