Look it up instantly
Smart Lookup integrates entries from The New Oxford American Dictionary with information from X-Ray and Wikipedia so you can access definitions, characters, settings, and more without leaving your page or losing your place.
Share your library with family
Coming soon—Family Library links your Amazon account to that of your spouse or partner. For the first time, you and your family can access and easily share not only your own Kindle books, but also books from the Amazon account of a spouse or partner.
Read more challenging books
Coming soon—Word Wise, available on many popular English language titles, makes it easier to enjoy and quickly understand more challenging books. Short and simple definitions automatically appear above difficult words, so you can keep reading with fewer interruptions. Tap on a word to bring up a simple card with definitions, synonyms, and more. You can adjust the number of hints you see with a simple slider.
Learn more about a book before you start
Coming soon—With About This Book, see information about the book as you start to read, including its place in a series and author information, plus mark it as "Currently Reading" on Goodreads.
Coming soon—It's even easier to find what you are looking for by combining and previewing results from your Library, Goodreads, and the Kindle Store on the same page.
Carry your entire library
Kindle holds thousands of books, so you'll never have to leave your favorite titles behind.
With a single tap, read the complete text of each footnote without losing your place in the book.
Never be without a book
Shop Amazon’s expansive selection, choose a title, and begin reading your next book in under 60 seconds—no computer required.
Squeeze in that last chapter
See at a glance how long it will take to finish a chapter or book. Time to Read is personalized based on your reading speed, and is constantly updated as your speed and habits change.
Share with friends on Goodreads
With Goodreads on Kindle, you can connect with the largest online community of book lovers, see what your friends are reading, share highlights, and rate the books you read. With deeper integration (coming soon), you can purchase books without leaving Goodreads on Kindle, and update your reading status more quickly from your device. Some Goodreads on Kindle features are only available when connected to Wi-Fi.
Expanded X-Ray for books
X-Ray lets you explore the "Bones of the Book." See all the passages across a book that mention relevant ideas, fictional characters, historical figures, places, or topics of interest. X-Ray’s new timeline view (coming soon) lets you easily flip through notable passages to remind yourself of what’s happened in the book, or navigate easily through images.
Enhance your vocabulary
Words looked up in the dictionary are automatically added to Vocabulary Builder to expand your knowledge and reinforce retention. Swipe through your vocabulary words, quiz yourself with flashcards, and instantly see those words in context.
Adjust your text size
Choose from eight text sizes to prevent tired eyes and keep you reading longer.
Organize your books
Arrange your books into custom categories by using Cloud Collections.
Pick up where you left off
Whispersync technology synchronizes your last page read, bookmarks, and annotations across all your devices so you can pick up exactly where you left off reading.
Translate passages instantly
Tap any word or highlight a section to instantly translate it into other languages, including Spanish, Japanese, and more. Translations are provided by Bing Translator.