AI Vocabulary Flashcard Maker — Learn Words with Spaced Repetition | Words on Repeat

The fastest way to turn anything you read or watch into vocabulary you'll actually remember

Paste a URL, upload a PDF, or import YouTube subtitles — get a study-ready vocabulary deck with translations and examples in seconds. Powered by AI extraction and the FSRS spaced repetition algorithm .

Get Started Free<br>Read the Guide

How it works

Add content

Paste a URL, upload a PDF, import YouTube subtitles, or browse ready-made public decks.

AI creates your deck

AI reads your content and extracts vocabulary with translations and example sentences.

Study & remember

Review with spaced repetition that adapts to your memory. Study only what you need, when you need it.

185+ Curated Decks

Official decks across 12 languages and all CEFR levels (A1–C2). Every word includes an example sentence with translation, grammar notes, and grammar cards. Browse decks.

AI-Powered Extraction

Paste a URL, upload a document, or drop in text. AI creates flashcards with translations and examples in seconds.

Learn from YouTube

Paste a video link and learn vocabulary from the subtitles. Study words from content you actually watch.

3 Study Modes

Standard flashcards, reverse mode (recall the word from its translation), and recall mode (type the answer from memory). All powered by FSRS spaced repetition.

7 Quiz Games

Match, write, multiple choice, race, sentence builder, fill-in-the-blank, and listening. Plus printable tests for offline practice.

Works Everywhere

Install as an app on any device. Browse public decks, import from Anki, or save words from any webpage with the Chrome extension.

From content to flashcards in one click. No manual card creation needed.

Works on any device — export your data anytime, nothing is locked in.

Frequently Asked Questions

Is Words on Repeat free?<br>Yes. The Free plan gives you unlimited decks, unlimited words, spaced repetition, AI extraction (5/month), quiz games, daily study goals, push notifications, and deck sharing — no credit card required. Pro and Pro Max plans add more AI extractions, YouTube import, Anki support, and full analytics. See pricing.

Can I install it on my phone?<br>Yes. You can install Words on Repeat on your phone, tablet, or desktop directly from the browser. It runs in its own window, loads fast, and feels like a native app. No app store required. Installation guide.

How does AI content extraction work?<br>Paste a URL, upload a PDF, or drop in text. AI extracts vocabulary with translations and example sentences, shows you a preview to edit, then saves to your deck. Free users get 5 extractions per month. Learn more.

Can I import vocabulary from YouTube?<br>Yes. Paste a YouTube video URL and AI extracts vocabulary from the subtitles. Works with auto-generated and manual captions in any language. YouTube import guide.

How do daily goals and reminders work?<br>Set a daily review target for each deck (e.g., 20 cards/day) to build a consistent study habit. Your progress shows in the nav bar, study page, and session summary. Enable push notifications to get a daily reminder when you have cards due. More on daily goals.

Will it remind me to study?<br>Yes. When you enable push notifications, you'll get one daily reminder whenever you have cards due for review. Notifications are sent at most once per day, only when there's something to study, and never contain marketing. You can enable or disable them anytime in Settings. Notification details.

Can I organize words into multiple decks?<br>Yes. Create separate decks for different languages, topics, or difficulty levels. Each deck has its own vocabulary, review schedule, daily goal, and progress stats. Switch between decks from any page using the nav bar selector. Deck management guide.

Does it have dark mode?<br>Yes. Toggle between light and dark themes using the sun/moon icon in the nav bar, or choose "System" to follow your OS preference. Your choice persists across sessions and syncs across tabs.

What languages are supported?<br>Any language pair. We provide 185+ official curated decks across 12 languages (Spanish, French, German, Italian, Portuguese, Dutch, Polish, English, Japanese, Korean, Chinese, Swiss German) with full CEFR A1–C2 coverage. Every word includes example sentences, grammar notes, and grammar cards. You can also create your own decks for any language or topic. Browse public decks.

Can I import/export Anki decks?<br>Yes. Import your Anki decks or export your vocabulary to Anki format. Available on Pro and Pro Max plans. Anki guide.

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