Website for creating self-signed certificates
If you're developing locally and need to use HTTPS for whatever, then this tool is hopefully useful to you. I made it because there's a lot of bad info online about generating self-signed certificates. For instance, a lot of guides don't use the SAN list extension or show you how to create a proper certificate chain. Firefox doesn't allow a CA certificate to be used as an end certificate. Getting a working certificate can get pretty confusing, especially for newcomers to certificates or webdev. Having a website for this also means the process of getting a certificate is the same, no matter…
Website for creating self-signed certificates launched on March 17, 2024 with 6 votes, #1,958 of 4,270 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 2 years on.
What it does
Easy to use web app that lets you generate self-signed certificates. Gives you a ZIP file containing a proper certificate chain.
Generally, using the "Configure" tab and its default settings should be fine. If you want to use an existing CA certificate, then switch to the "Use Files..." tab. For web development, you can add your domains to the SAN list and keep everything else on the defaultfrom dexter.xn--dpping-wxa.eu
In the maker’s words, at launch
If you're developing locally and need to use HTTPS for whatever, then this tool is hopefully useful to you. I made it because there's a lot of bad info online about generating self-signed certificates. For instance, a lot of guides don't use the SAN list extension or show you how to create a proper certificate chain.…
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