DEVELOPER UTILITIES
Decode and inspect JSON Web Tokens instantly. View header, payload, claims, and expiration status. Tokens never leave your browser.
This free tool gives you an instant, accurate reading of your site — the same signal class used in our full Technical Audit. Every check runs against live data, and nothing here requires an account.
Tip: run the related checks below on the same URL, then finish with a full Technical Audit for the complete picture across SEO, performance, security, accessibility, and AI Readiness.
Format, validate, and minify JSON data. Pretty-print with custom indentation. See key counts and nesting depth.
Encode text to Base64 or decode Base64 strings. Supports UTF-8, Unicode, and special characters. 100% client-side.
Encode or decode URLs and query parameters. Handles special characters, Unicode, and percent-encoding.
The next useful step
Bring the result to a PageLens walkthrough and leave with a clear plan for improving how AI search describes your brand.