Curl To Fixed Download Certificate May 2026

This command downloads the certificate chain in PEM format and saves it directly to certificate.pem while discarding the actual website body. 3. Downloading CA Bundle Certificates

If you are in a development environment and just need to get past a certificate error without downloading/installing it, you can use the insecure flag: curl to download certificate

Newer versions of curl (v7.88.0+) have added a built-in feature to output certificate information directly using the -w (write-out) variable %certs . This command downloads the certificate chain in PEM

: Hides connection noise so you only get the certificate data. 2. Native curl Method (Recent Versions) : Hides connection noise so you only get

The most reliable way to "download" a certificate via the command line is to pipe the openssl s_client output. This connects to the server, retrieves the certificate chain, and allows you to save it to a file.

Sometimes you don't need a specific site's certificate, but rather the entire bundle of trusted root certificates (CA Bundle) to fix "SSL certificate problem" errors.