EPUBTest.org is home to both the BISG EPUB 3 Support Grid, a summary of e-book app, device, and reading system performance evaluations for features supported by the IDPF EPUB 3.0 e-book file format, and the EPUB Testsuite, a freely available collection of material created specifically for this purpose. These files were used to generate the results in the BISG EPUB 3 Support Grid.
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*If you want to validate an EPUB file, please visit epubcheck.
The Testsuite is a set of EPUB 3.0 files designed to enable anyone to systematically test an e-book reading system's support of various EPUB 3.0 features, plus its support for accessibility. Read more about the testsuite.
The EPUB 3 Support Grid was designed to be a handy reference to what enhancements and features of EPUB 3 render correctly on the most commonly used devices, apps, and reading systems. Read more about the support grid.