Kaushal Bhavsar

Free cybersecurity tools

Practical utilities for investigating messages, checking public site hardening, and inspecting tokens — with clear privacy limits on every page.

Browse tools

Tool catalogue

Investigation

Work through phishing and message evidence without sending samples to a server.

Email Header Analyzer Runs in your browser Read routing hops and authentication results from pasted email headers.
Suspicious URL Analyzer Runs in your browser Decode and explain suspicious-looking URLs without visiting them.

Website security

Check publicly visible hardening signals on sites you own or operate.

Security Headers Checker Restricted public check Inspect public HTTP response headers such as HSTS, CSP, and frame controls.
WordPress Security Checker Restricted public check Passive checks against a public WordPress site — no intrusive probing.

Developer & privacy

Inspect tokens and text locally while building safer applications.

JWT Decoder Runs in your browser Decode JWT headers and claims locally without uploading tokens.
PII Detector & Redactor Runs in your browser Find and redact common personal data patterns in text you paste locally.

How privacy works here

Browser-only tools process what you paste on your device. Restricted checkers send only a normalized public URL to a rate-limited endpoint — never cookies, credentials, or pasted secrets. Analytics never include your inputs.