SSL Certificate Decoder
Parse X.509 certificates, names, validity, extensions and fingerprints without claiming trust.
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How to use this tool
01
Add your input
Paste text or choose a file. Try the example to get started.
02
Choose your options
Parse X.509 certificates, names, validity, extensions and fingerprints without claiming trust.
03
Inspect and export
Review the processing notes, then copy or download the result. Continue with another tool if needed.