Frequently Asked Questions

Lexpresso is a vocabulary learning service that automatically generates CEFR-filtered flashcards from YouTube and Netflix videos. Simply install our Chrome Extension, watch a video with subtitles, and click "Brew Vocabulary" to create AI-generated flashcards in seconds.

Install our Chrome Extension and watch YouTube or Netflix videos. Lexpresso generates CEFR-filtered flashcards with definitions, examples, and translations. Review your flashcards in the web app using spaced repetition to build vocabulary efficiently.

CEFR (Common European Framework of Reference for Languages) is an international standard for describing language ability. It ranges from A1 (beginner) to C2 (mastery). Lexpresso uses CEFR levels to filter vocabulary, ensuring you learn words appropriate for your level.

Lexpresso supports 8 video languages: English, Japanese, Spanish, French, German, Korean, Chinese (Simplified & Traditional), and Russian. You can generate vocabulary flashcards from YouTube and Netflix videos with subtitles in any of these languages. Translations are available in 28+ languages.

Yes! New users can create decks from up to 3 videos (maximum 30 minutes each) without providing any payment information. After the trial, you can upgrade to a paid subscription.

We offer flexible subscription plans: Currently $19/month for monthly and $171/year for annual (25% savings). Both plans include video processing within normal usage, spaced repetition learning, and all premium features.

Yes, you can cancel your subscription at any time through your account settings or the Stripe Customer Portal. Your subscription will remain active until the end of the current billing period. No refunds for partial months.

The Lexpresso Chrome Extension works on all Chromium-based browsers including Google Chrome, Microsoft Edge, Brave, and Opera. The web app works on all modern browsers (Chrome, Firefox, Safari, Edge).

Yes, you need to install our Chrome Extension to extract subtitles from YouTube and Netflix videos. The web app is fully browser-based and requires no additional installation.

No, Lexpresso requires an internet connection to generate flashcards from videos and to review them in the web app.

Flashcard generation typically completes in 30-60 seconds for a 10-minute video. Processing time depends on video length and content complexity. You can close the browser and check back later—we may notify you when it's ready.

We store your account information, generated flashcards, and learning progress to provide the service. Your data is never sold to third parties.

Yes, you can request account deletion at any time by emailing us at support@lexpresso.io. Your personal data will be deleted within 7 days in principle, though some information may be retained for legal compliance or fraud prevention purposes.