epubcheck

Install command: 
brew install epubcheck

Validate EPUB files, version 2.0 and later

https://github.com/w3c/epubcheck

License: BSD-3-Clause

Formula JSON API: /api/formula/epubcheck.json

Formula code: epubcheck.rb on GitHub

Bottle (binary package) installation support provided.

Current versions:

stable ✅ 5.3.0

Depends on:

openjdk 25.0.1 Development kit for the Java programming language

Analytics:

Installs (30 days)
epubcheck 79
Installs on Request (30 days)
epubcheck 79
Build Errors (30 days)
epubcheck 0
Installs (90 days)
epubcheck 410
Installs on Request (90 days)
epubcheck 410
Installs (365 days)
epubcheck 1,366
epubcheck --HEAD 1
Installs on Request (365 days)
epubcheck 1,338
epubcheck --HEAD 1