I made a script to generate self-signed SSL certs for local development
A bash script for generating trusted self-signed SSL certs for local development on your Mac - kingkool68/generate-ssl-certs-for-local-development
I made a script to generate self-signed SSL certs for local development launched on October 26, 2018 with 107 votes, #345 of 2,827 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 7 years on.
In plain words
This is a script that generates self-signed SSL certificates for use in local development environments. It's designed for developers who need to test HTTPS functionality without purchasing certificates. The tool automates the certificate generation process, making it simpler to set up secure connections during development work on a local machine.
written from the facts on this page · September 2026
Does a similar job
all alternatives →
Mkcert – Valid HTTPS certificates for localhost2019 · blog.filippo.io · ▲839- GSGenerate self-signed certs in browser2014 · indutny.github.io · ▲13
- SSSelf-signed certs as a service2013 · lolroot.ca · ▲16
Secure My Website2018 · sharphue.com · ▲245A pain-free service to add SSL to your site, for non-geeks
- IRI rewrote my 2012 self-signed cert generator in Go – cert-depot.comApr 2026 · ▲9
Back in 2012 I built https://cert-depot.com as a weekend project. Node.js + Express + jQuery, shelling out to OpenSSL for certificate generation. It worked but I eventually let it rot. https://news.ycombinator.com/item?id=4766743 Rewrote it from scratch in Go. The entire thing is a single binary with no external dependencies: 1. Certificate generation uses Go's crypto/x509 (no OpenSSL) 2. Certificates are generated in memory and streamed directly — nothing is stored on the server 3. RSA 2048/4096 and ECDSA P-256/P-384 4. Subject Alternative Names…
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