(Re)View Your ePUB2/3 Master File In Your Browser!
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbyONMzEcJAUduH5a6hUrj-VGHtqMKJ6wWgjUFSeUQMzxcXYXIQXC58nLXRXpXOGD2YcQCV560g3FWt32CMDJOi_FSHVdrg6Kkb8fz-JhnwC6zv4Td63LahOnuj0tR7pwIvDHcbeUqksgi/s1600/readium_banner.png)
Whether professionally compiled or created on your own, always check your ebook master file visually. Triple validation (by 3 differing methods) of its code is not enough. Neither is loading that master file into your favorite device.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZn71wPmwTVgyp7BQBubcEjGlhOSf-sBY6TURYFUASuc0JiMOEWt_lAyHucJHVC7LsSnmKH6AdH5IWCP_Rej_gOAYv_IV8-LnUIGk_RpoB9RxkAncuUljzky-xIS-tdWOtmdJkBQgJ5Wqo/s1600/readium_library.jpg)
Each device has its limitations. You need an approach that remains free of marketplace / vendor bias and displays the ebook's fully designed attributes. Here is something that might help, and others will follow soon.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqPuUXzUzUZLHmFB8eHp5j5BhM7eGk1L5fiX8eJGsP-qZSw1tVTDasJYMZXOsB1h_djUpHQ08YCakOW5xPviS9YRvZ5Cb401dX-1SVXifmNQGWcBGW-FtdXbzttARjxm8srqoNuy9naxxe/s1600/readium_reader.jpg)
See “Resources > Internet” and scroll down to “Extensions“ near the bottom of that page.