Developer Releases Free Browser-Only HTTP Cookie Inspector With Security Scoring

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A developer has built a free, client-side HTTP Cookie Inspector tool that parses Set-Cookie header strings and extracts all cookie attributes at a glance. The tool generates a security score from 0 to 100 based on the presence of Secure, HttpOnly, SameSite, and expiry attributes. It also flags potential XSS and CSRF risks when key security attributes are missing from a cookie. All processing happens entirely within the browser, meaning no user data is transmitted to any server. The tool ships with 84 passing tests covering parsing, security scoring, risk logic, and UI functionality, and is available at devnestio.pages.dev.

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