PKCE Authentication Diagnostic
This tool reads your browser's authentication storage and reports PKCE verifier metadata.
⚠️ READ-ONLY DIAGNOSTIC: This page only reads browser storage. It does not modify authentication state, click confirmation emails, or alter any settings.
Reading browser storage...
How to Use This Diagnostic
- This page runs immediately when loaded (client:load)
- It reads localStorage and sessionStorage without modifying anything
- It identifies Supabase-related keys and checks for PKCE verifier keys
- It reports the verifier's key name and length, but NEVER its actual value
- Screenshot or copy the results to report findings
- Do NOT refresh this page or navigate away until you've captured the results