Start building a stronger vocabulary today
All download options — Windows, Linux and the KOReader plugin
Free · Open-source vocabulary trainer
Save words as you discover them, get instant translations, practise with audio, and track every word from first encounter to mastery. Read real articles in the app and add words straight from the page — on your computer, your phone and your e-reader.
Add a word from any app Translated the moment you save it AI-assisted definitions Review with flashcards Quiz yourself — choices or typing Read real articles in the app Listen hands-free
Every word follows a clear learning path. Review, listen, and reinforce vocabulary at your own pace while Lingueez tracks your progress automatically.
One place to capture a word, practise it until it sticks, and keep it — across every language you are learning.
Capture and translate words instantly from anywhere using a configurable global keyboard shortcut.
Words arrive already translated, with optional DeepL for accuracy and OpenAI or Gemini for definitions and examples.
Read articles, Wikipedia and RSS in the app and save words straight from the texts — or have AI write a text from the words you are learning.
Build a deck from any filter and review it with spaced repetition that brings each word back just before you forget it.
Answer instead of rating yourself — pick the word from four options or type it out. Typos and accents are forgiven, and every answer feeds the same spaced repetition.
Reinforce vocabulary through audio with customizable repetition, pacing, and MP3 export.
Watch vocabulary growth, streaks, status breakdown and definition coverage on one dashboard.
Organize vocabulary with tags, favorites, definitions, and learning statuses to keep everything structured and searchable.
Protect your learning data with automatic backups, recovery tools, and optional cloud synchronization.
Easily move your vocabulary between tools with Excel imports and exports to PDF, CSV, Excel, MP3 and Anki-compatible formats.
Every word you save becomes a flashcard. Build a deck from any filter — status, language or tag — then review it with spaced repetition that brings each word back just before you would have forgotten it.
Build a deck Practise a deck
A quiz asks before it tells. Pick the right word from four options, or type it out — the harder, better test. Choose which side you are shown and how many questions to take; a wrong answer shows the right one with its definition, and every answer feeds the same spaced repetition as your flashcards.
Multiple choice Type the answer
Import articles, web pages, Wikipedia entries and RSS feeds, then read them in the app with synchronized translations and audio — saving any word straight from the texts as you go. AI can also write a short text from the words you are learning right now, so you meet them again in context, in sentences you have not read before.
Monitor vocabulary growth, learning streaks, definition coverage, and mastery levels through a clear and informative dashboard.
Lingueez is built with a local-first approach. Use it completely offline without creating an account. Cloud synchronization is optional, and your learning data is never tracked or analyzed. Free and open source under the AGPL license.
Lingueez is free and open-source, with no paywalls. If you enjoy Lingueez and find it useful, a one-off contribution helps cover the servers behind optional cloud sync and supports continued development.
The Stripe option is one-time — no subscription. Payments are handled securely by Stripe or GitHub.
All download options — Windows, Linux and the KOReader plugin