.gem

Ruby gem package, the standard archive format for distributing Ruby libraries via RubyGems

Dedicated renderer

Format facts

MIME type

application/x-ruby-gem

Apple UTI

custom

Stock Quick Look

a ZIP-based container

Planned approach (census)

special-renderer

Icon hint

generic-icon

Prevalence

common

Renderer note (from the census)

parse tar/gzip for gemspec

Census note

Ruby devs share gems; native macOS shows a generic archive icon instead of gem metadata.

Gotchas: Ruby package

Get CosmoscopeImprove this page

Edit one line in the census — a GitHub PR away.

Back to archives-compression