DuoNinja logoduoninja

English comprehensible input

Explore free English comprehensible input for every level: learner YouTube, graded readers, books, and news you can mostly understand.

  • Free to explore
  • Beginner to advanced
  • Watch and read
Sign up for freeExplore in DuoNinja

English videos with dual subtitles

Learner-friendly channels selected for adults, with level and variant labels where available.

Best Ever Food Review Show

@BestEverFoodReviewShow

IntermediateAmerican English
Watch in DuoNinja
Import your own videoBrowse all 89 English channels

Dual subtitles on YouTube

Watch YouTube with the language you're learning and your language side by side. Look up unfamiliar words and save the useful ones for later.

Learn more

English books

Tap any word while keeping the book's original layout.

Beginner

The Secret of the Old Clock

Carolyn Keene

Beginner

Winnie-the-Pooh

A. A. Milne

Intermediate

The Great Airport Mystery

Franklin W. Dixon

Advanced

The Good Soldier

Ford Madox Ford

Browse all English books

English news

Read current articles, tap any word for a translation, and simplify them to your level.

Science and technology

Brussels tightens the rules for artificial intelligence

The new requirements will affect systems used in healthcare and critical infrastructure.

AgenciesUpdated 1 hour ago

  • WIRED
  • Forbes
  • The New York Times
  • Serious Eats
  • Sifted
  • The Guardian
  • History Today
  • TechRadar
  • ABC News
  • The Sydney Morning Herald
Read more English news

Read your own English texts

Paste any English text or upload an EPUB. Translate words as you read, simplify it to your level, and save what you want to remember.

Add your own text

Paste text

Articles, notes, or stories

Upload an EPUB

Bring a book you already own

What about grammar?

Input comes first. Flashcards, lessons, and grammar roadmaps are for the holes it exposes — then go back to harder English.

Front

la puerta

Spanish term

Back

door

English meaning

Flashcards, when you want them

Use spaced repetition system (SRS) to help you remember better. Helpful when you need it, but not the whole experience.

Browse shared decksCreate deck

Create Duolingo-style courses with one click

Start with an existing course, or create one around your interests and goals.

Create a courseBrowse courses

Mexican Spanish for a trip to Mexico City

Finding the gate

15 phrases

27 words

Taking a taxi

12 phrases

24 words

Ordering coffee

14 phrases

22 words

DuoNinja logo

Learn English from real content

Watch with both languages, translate words as you read, and revisit what you want to remember.

Sign up for free