Structural validator for Tor v3 hidden-service addresses. Checks length, base32 charset, and version byte; the cryptographic checksum verification is deferred to a later revision.
Paste a Tor v3 onion address below — with or without the
.onion suffix — and the
worksheet runs four structural checks. The cryptographic
checksum verification, which would catch corruption beyond the
structural shape, is not yet implemented; see the notes block
at the foot of the page.