PEM Certificate & Key Viewer
PEM → Diagnostics
Inspect PEM SSL certificates, RSA/ECC private keys, and CSR structure diagnostics client-side.
About this tool
About PEM Certificate & Key Viewer
PEM Certificate & Key Viewer is a free, browser-based tool that lets you inspect PEM SSL certificates, RSA/ECC private keys, and CSR structure diagnostics client-side. It supports PEM → Diagnostics. Everything runs locally on your device, so your files are never uploaded to a server. There's no sign-up, no watermark, and no limit — just open PEM Certificate & Key Viewer, add your input, and get results instantly.
How to use PEM Certificate & Key Viewer
1
Paste PEM String
Paste Certificate or Key PEM.
2
Inspect Structure
View header, type, and size diagnostics.
Key features
Structure Inspection
Decodes PEM headers, footers, and byte length.
100% Private
PEM Certificate & Key Viewer processes your data locally in the browser. Nothing is uploaded, tracked, or stored u2014 your files never leave your device.
Completely Free
Use PEM Certificate & Key Viewer as much as you want with no fees, no watermarks, and no hidden limits.
No Installation
PEM Certificate & Key Viewer runs in any modern browser. There's nothing to download, install, or configure.
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