EchoDeck turns the Portuguese podcasts, novelas and música you already enjoy into a personal speaking course — timed shadowing drills, smart flashcards, pronunciation scoring and spaced repetition.
No signup to try · No credit card required
Paste a YouTube link, drop in subtitles, or bring your own transcript — every line becomes a card.
Loop each sentence at adjustable speed and speak along until it feels natural.
Record yourself and get word-by-word feedback, right in your browser.
One click fills a natural translation plus a short grammar note.
An SM-2 scheduler surfaces exactly what's due so nothing slips.
Install community decks, or share your own with your audience.
Yes. Paste a YouTube link and EchoDeck pulls its captions, or import an SRT/VTT subtitle file — each line becomes a flashcard with a shadowing loop.
Shadowing means speaking along with native audio to build your accent and fluency. EchoDeck loops each Portuguese sentence and scores how closely your speech matches.
No — the interactive demo runs in your browser with no signup. Create a free account when you want to save decks and track progress.