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

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

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Text

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

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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.

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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

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  4. 7d
  5. 15d
  6. 30d

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