security
CORS Checker
CORS Checker helps you inspect security settings and tokens with clear diagnostics.
Open tool →149 free tools across 12 categories. Search, filter, and favorite.
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CORS Checker helps you inspect security settings and tokens with clear diagnostics.
Open tool →Security Header Checker checks live URLs for performance, security, DNS, and metadata issues.
Open tool →JWT Generator helps you inspect security settings and tokens with clear diagnostics.
Open tool →Professional CSP audit: fetch the live header, score risks, parse directives, and export findings — never invents a policy.
Open tool →SSL Checker checks live URLs for performance, security, DNS, and metadata issues.
Open tool →Password Generator formats, validates, or converts developer data right in the browser.
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