epubcheck

Install command: 
brew install epubcheck

Validate EPUB files, version 2.0 and later

https://github.com/w3c/epubcheck

License: BSD-3-Clause

Development: Pull requests

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 25.0.2 Development kit for the Java programming language

Analytics:

Installs (30 days)
epubcheck 156
Installs on Request (30 days)
epubcheck 156
Build Errors (30 days)
epubcheck 0
Installs (90 days)
epubcheck 338
Installs on Request (90 days)
epubcheck 336
Installs (365 days)
epubcheck 1,201
epubcheck --HEAD 1
Installs on Request (365 days)
epubcheck 1,196
epubcheck --HEAD 1