Learn any language
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Transform YouTube videos, texts, and audio into interactive lessons with pronunciation, writing, exercises, and conversation.

Every piece of content becomes
8 ways to practice

Listen and read, Practice pronunciation, Write, Speak, Chat, Quiz, Grammar and Flash Cards, all built from your content.

Listen and read
Show translations

The weather today is beautiful and sunny.

O tempo hoje está bonito e ensolarado.

I decided to go for a walk in the park.

Eu decidi ir dar uma caminhada no parque.

The birds were singing in the trees.

Os pássaros estavam cantando nas árvores.

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Follow each sentence as you listen. Tap any word to see the translation and save it to your personal dictionary.

Tap any word in the text to see instant translation and usage examples
Save new words to your personal dictionary and review them later with spaced repetition
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Turn any content
into an interactive lesson

Import from YouTube, paste text, upload audio, or generate personalized content for you.

Generative AI

Choose a topic and let AI create personalized content at your level.

Text

Paste any text and generate audio automatically. Ideal for articles and books.

Audio MP3

Upload audio files and generate transcription and sentences automatically.

YouTube

Import any video and turn it into a lesson with synchronized audio and sentences.

How it works

  1. Create content

    Import from YouTube, paste text, upload audio, or generate automatically.

  2. Study

    Practice in the 8 study modes, built from the content.

  3. Master

    Spaced repetition ensures you never forget.

Learn once.
Remember forever.

Lanna schedules 6 reviews for each piece of content: tomorrow, then after 3, 5, 7, 15 and 30 days. You review before you forget.

English

Beautiful

beautiful · pretty

You study today

  1. 1d
  2. 3d
  3. 5d
  4. 7d
  5. 15d
  6. 30d

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  • Create your own materials
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