Won't tire your eyes in the dark
Unlike back-lit tablets that shine in your eyes, Kindle guides light toward the surface of the display with its built-in front light so you can read comfortably for hours without eyestrain. Adjust your screen's brightness for great reading in any light.
Read more challenging books
Particularly for young readers, Word Wise 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. Available on many popular English language titles.
Build 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.
Learn more about a book before you start reading
With About This Book, see background information about the author, other books in the series, and more.
Adjust your text size
Choose from eight text sizes to prevent tired eyes and keep you reading longer.
Share your library
With Family Library, you and your family can access and easily share not only your own Kindle books, but also books from the linked Amazon account of a spouse or partner.
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. Some Goodreads on Kindle features are only available when connected to Wi-Fi.