.jks

Java KeyStore, Oracle's proprietary format storing cryptographic keys and certificates for Java

Dedicated renderer

Format facts

MIME type: application/x-java-keystore
Apple UTI: custom
Stock Quick Look: no stock preview
Planned approach (census): special-renderer
Icon hint: generic-icon
Prevalence: universal

Renderer note (from the census)

parse JKS header for alias count

Gotchas: legacy Java keystore