Entra Sign-in Error Explainer
Paste a full sign-in error message — the AADSTS code is extracted locally and explained, with causes and fixes.
✓ runs 100% in your browser — no data leaves this pageFrequently asked
Does my error text get uploaded?
No. The AADSTS code is extracted in your browser; only the code itself (e.g. 'aadsts50011') is requested from our reference database — never your pasted text.