Analyze HTTP request and response headers — detect security headers, review formatting, and inspect value structure. Code never leaves your device — formatting and validation run locally in your browser.
Content reviewed October 2026 · About Toolzum
Build a Content Security Policy header by selecting directives and allowed sources. Code never leaves your device — formatting and validation run locally in your browser.
Validate Content Security Policy headers against W3C spec and common pitfalls. Code never leaves your device — formatting and validation run locally in your browser.
Generate common HTTP headers for JSON, REST, and GraphQL APIs with correct Content-Type and authorization patterns. Code never leaves your device — formatting and validation run locally in your browser.
Analyze CSV structure — column types, counts, unique values, and empty cells. Spot malformed rows and mixed types before import.
Convert JSON objects to YAML format with proper key-value formatting and nested structure support. Everything runs locally in your browser.
Response headers for security, caching, and correctness issues.
Yes — absent security headers rank by severity first, critical gaps top.
Fix server config, redeploy, then re-scan to confirm everything green.
No — analysis runs locally in your browser, free with no signup.
HTTP Security Checker
Run an HTTP security probe on a live URL — reachability, redirect chain, and visible response details, plus a reference checklist for HSTS, X-Frame-Options, and CSP.
HTTP Cache Header Generator
Generate Cache-Control directives with configurable max-age, scope, must-revalidate, and no-transform options. Code never leaves your device — formatting and validation run locally in your browser.