SSL Converter
One tool for every
One tool for every
certificate format.
Convert SSL certificates between PEM, DER, P7B/PKCS#7, PFX/PKCS#12, CRT, CER and KEY — online or through the API.
❯ certificate
formats
Supported in and out.
pfx (PKCS#12)p7b (PKCS#7)pem (Base64)der (Binary)crt (Certificate)cer (Alt. Certificate)key (Private Key)
SSL Converter Online
Convert in your browser
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Why SSL Converter?
One format to rule them all
Free & simple
No accounts, no upsell. One form, one cURL call.
Many formats
PEM, DER, P7B, PFX, CRT, CER, KEY — in and out.
API-ready
A single POST endpoint at /api/. Authenticate with a key.