s0 — Cryptographic Certificate Verification Portal

Input Certificate

Drag & drop certificate JSON, PDF, or QR image

or click to browse local filesystem / paste from clipboard (Ctrl+V)

.JSON .PDF .QR / IMG

Or paste raw certificate JSON:

Live Demonstration Scenarios:

Certificates are verified exclusively against pinned public keys shipped with this verifier.

Loading pinned authority keys...

Verify certificates signed by an external authority using an unpinned Ed25519 public key.

Public Key (SPKI PEM or 64-char hex):

Install the forensic sanitization and evidence recovery CLI:

Linux / macOS (Bash)

curl -fsSL https://s0-install.pages.dev/sh | bash

Windows (PowerShell)

irm https://s0-install.pages.dev/ps1 | iex

No certificate loaded yet

Upload a certificate JSON, PDF, or QR image, or select a live demo scenario.