The Bookize reader now translates words and phrases right on the page, lets you save new words to a personal vocabulary, and searches the whole book in seconds.

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A hundred ebooks scattered across devices and formats stops being "organized" fast. Here's how to structure, back up, and sync a growing digital library so you can actually find and read what you own.

EPUB, PDF, or MOBI — which ebook format should you actually use in 2026? A practical comparison based on device, layout, and reading habits, plus how to convert between them in seconds.

Try the free Bookize AI Proofreader to check grammar, spelling, punctuation, and style online. Get clear corrections instantly with no sign-up required.