openssl.cnf SAN Extension:
[req] default_bits = 2048 prompt = no default_md = sha256 req_extensions = req_ext distinguished_name = dn [dn] C = US O = MyOrganization CN = example.com [req_ext] subjectAltName = @alt_names [alt_names] DNS.1 = example.com DNS.2 = *.example.com IP.1 = 192.168.1.1
Pin this tool to your browser side panel
Access this utility anytime with Alt+M without switching tabs. 100% offline & free.
How to use OpenSSL Subject Alternative Name (SAN) Gen
- 1Configure your parameters in the input form.
- 2Inspect the instant client-side calculated results.
- 3Copy the generated command or config snippet.
Private Client-Side Processing
Your data and server configurations never leave your browser.
Frequently Asked Questions
Enjoying OpenSSL Subject Alternative Name (SAN) Gen?Help your engineering peers discover private, ad-free tools!
MiniToolDesk is 100% free and client-side. Your support keeps the web ad-free.
Related Developer Utilities
Popular
Docker Run to Compose Converter
Convert complex docker run CLI commands into clean, production-ready docker-compose.yml files
Launch tool→
Popular
Nginx Config Generator
Visual builder for production-ready Nginx reverse proxy, SSL, and SPA configs
Launch tool→
Popular
Dockerfile Multi-Stage Generator
Visual builder for security-hardened, multi-stage Dockerfiles across modern stacks
Launch tool→
Popular
Kubernetes YAML Manifest Builder
Visual generator for Deployment, Service, Ingress, and ConfigMap manifests
Launch tool→