AskIssuer — Web app

Certificate verification that asks the organisation that issued it

Verified means the issuer said so. Nothing else counts.

There is no universal registry of certificates, so AskIssuer asks the only party who can answer: the organisation that issued the document. Upload a PDF, a scan or a phone photo — one or a hundred — and each file is read, its QR code decoded and its verification code checked against the issuer's own records. Anything that cannot be confirmed is reported as needing review, never as fake.

What it does

Checks against the issuer's own verification endpoint, never a guess

Issuer-domain allowlist — a forged QR code is a red flag, not evidence

Real QR decoding and PDF image extraction, not model guesswork

Bulk upload, accounts, PayPal top-ups and shareable reports

Thirty seconds on what we do and who we do it for.

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