What Is epubcheck.jar?

epubcheck.jar is a Java program that allows you to validate an EPUB file. It can detect many types of errors in EPUB. OCF container structure, OPF and OPS mark-up, and internal reference consistency are checked. EpubCheck can be run as a standalone command-line tool or used as a Java library.

You can download and install epubcheck.jar as described below.

1. Go to epubcheck.jar Release Website.

2. Click "epubcheck-4.2.6.zip" link to start download.

3. Save the download file to \fyicenter\epubcheck-4.2.6.zip.

4. Unzip it to \fyicenter\epubcheck.

5. Test epubcheck.jar with this command:

C:\fyicenter> java -jar \fyicenter\epubcheck\epubcheck.jar test

Mode required for non-epub files. Default version is 3.0.
EPUBCheck completed

epubcheck.jar is working. See next tutorials on how to use epubcheck.jar.

Older versions we have tested are:

                      Supports 
                      --------
epubcheck-4.2.6.zip   EPUB 3.2
epubcheck-4.2.2.zip   EPUB 3.2
epubcheck-4.0.2.zip   EPUB 3.2

⇒ Validate EPUB 3.0 Book with EpubCheck

⇐ EPUB Validator - epubcheck.jar

⇑ EPUB Validator - epubcheck.jar

⇑⇑ EPUB Tutorials