Tool directory
Every tool is free, rate-limited, and logged for abuse protection — not behind a paywall.
Technical and security
.htaccess Tester
Heuristic .htaccess review and common rewrite patterns.
Rewrite Rule Generator
Generate Apache/Nginx redirect rules.
SSL / TLS Inspector
HUB
Certificate provider (CA), expiry, SANs, name match, and TLS session details.
Security Headers Checker
Grade HSTS, CSP, XFO, and related headers.
Mixed Content Checker
Find http assets on https pages.
Mobile-friendly Heuristics
HUB
Viewport heuristics plus a phone-frame live preview.
Mobile-first Helper
HUB
Mobile-first indexing checklist with phone-frame preview.