Certificate Converter Tool
This tool allows you to quickly convert SSL and other digital certificate files using our free online tool or with a copy/paste OpenSSL command. Our online tool runs 100% in your browser, so your certificate/key files are never sent to our server/over the internet.
Step 1: Select Your File Formats
Or, select your file formats from this list:
Site Reviews
View All SSL ReviewsPetar N.Jun. 2026
"Excellent platform with a wide selection of solutions suitable just for you here you can find the right certificate just for your purposes and at the best prices. The support is very good. I highly recommend cheapsslsecurity.com to anyone who needs a certificate."
Raed NeshiewatJun. 2026
"Very fast delivery. Installation was easy with no problems. If you are installing a wildcard SSL certificate on cPanel, you need to specify the actual domain name, don't try to install it on *.domain.com , you have to install it on each subdomain such as admin.domain.com, shop.domain.com,..etc. Use the same certificate for each subdomain you install. Good luck!"
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