OneFreePlace
FREE ONLINE TOOL

Free PEM Certificate
Viewer

The browser has no operating-system trust store exposed to this page. A verified signature proves a child was signed by the supplied issuer key; it does not establish public trust. Trust-anchor decisions still belong to the relying application.

Open this tool in its own window ↗

FreeUse this tool without paying.No sign upStart with the tool right away.Clear stepsRead the tool’s own guidance.

About Free PEM Certificate Viewer

Inspect one certificate or a complete PEM bundle locally in your browser. Decode identities, validity, SANs, key material, fingerprints and X.509 extensions; analyze chain ordering; verify supported certificate signatures; and export normalized PEM/DER without uploading private data.

Available actions

  • Viewer
  • Chain Lab
  • Extensions & Fingerprints
  • Export
  • Guide
  • Load safe demo chain