TLS/SSL Certificate Decoder
Paste a PEM-encoded certificate or drag-drop a .pem/.crt/.cer file to decode all X.509 fields.
PEM Format Valid
OFF
Signature Algo
OFF
Validity Period
OFF
Key Strength
OFF
SAN Check
OFF
Paste Certificate
Or Drop File
⚙
Drag & drop a
.pem
,
.crt
, or
.cer
file
or click to browse
Decode Certificate
Copy JSON
Export Report