SSL certificates can be valid for at most 199 days. From 15 March 2027 the limit becomes 99 days. Read more →

Certificate Decoder

Paste a PEM certificate or CSR and view the decoded information. Free online SSL certificate decoder from FairSSL.

Paste PEM certificate or CSR here...

files or use Ctrl + V

Processed securely in memory only. No data is stored.

Need a new certificate?

View our selection of SSL certificates from EUR 22/year.