Tools

Free, client-side cybersecurity tools. No backend, no API calls, no tracking.

Reverse Shell Generator

Generate reverse shell payloads in Bash, Python, PHP, PowerShell, Netcat, and more. All generated locally in your browser.

Exploitation

Base64 Encoder / Decoder

UTF-8 safe Base64 encoding and decoding. Encode text to Base64 or decode Base64 back to plain text instantly.

Encoding

JWT Decoder

Decode and inspect JWT tokens. View header, payload, and claims with syntax highlighting — all processing happens locally.

Web Security

Hash Generator

Generate SHA-256, SHA-512, SHA-1, and MD5 hashes from any input. Uses the Web Crypto API — no data sent anywhere.

Cryptography

Certificate Decoder

Parse X.509 certificates (PEM format). View subject, issuer, validity, fingerprints, and extensions without sending data to a server.

Cryptography

CVSS Calculator

Calculate CVSS v3.1 base scores interactively. Adjust attack vector, complexity, privileges, and impact metrics to get the severity rating.

Risk Assessment