Duoreader - Bilingual Reading

Duoreader makes it easy to read bilingual texts by aligning translations sentence-by-sentence. You can enjoy the beauty of the originals while improving your language skills naturally.

Read anything you want

Free, with no ads. Duoreader translates what you read as you go. Whether the text has a human translation or not, you always read it side by side in two languages.

Word-by-word alignment
Tap a sentence to line up both versions word by word and see exactly which phrase maps to which.

AI dictionary
Tap any word for a definition that fits the sentence you are reading.

Text-to-speech (TTS) and read aloud
Listen with natural voices and adjustable speed, and follow along as the text highlights.

78 classic books, in 11 languages
Translations into Chinese, English, French, German, Spanish, Italian, Arabic, Japanese, Russian, Korean and Polish. Austen, Dickens, Orwell, Hemingway and more — read them as they were translated, or let Duoreader translate for you.

1,400+ websites, 24 languages
Browse by topic — news, science, tech, health, culture, history, travel, food, sport, finance and more — and read any article in your own language, even where no translation exists yet. Prefer a site of your own? Paste the URL.

Import your own books
Import your own ePUB and PDF files and read them the same way, with bilingual reading, dictionary and TTS.

Library and bookmarks
Filter by level and language, and save a bookmark on any paragraph to come back to it later. Your progress and bookmarks sync across devices when you sign in.

Duoreader supports many languages including Chinese, English, French, Spanish, Italian, Japanese, Arabic, and Russian, with more to come. Bring your favorite books, read something new every day, and learn languages naturally — all within Duoreader.