CSR decoder
Decode a PKCS#10 certificate signing request to read its subject, public key, requested SANs and extensions, and attributes — entirely in your browser.
Certificates & PKIEverything runs in your browser; the CSR is never uploaded.
API endpointGEThttps://ronutz.com/api/v1/csr-decoderDocumented, not served. Opens the specification.