On-screen AI Dictionary and Translator
Learn a language using your PC. Click to look up words and translate entire sentences—anywhere, in any app. Practice these words with flashcards.
- Works in browsers, games, images, PDFs, subtitles, and more
Lookupper defines and translates any word on the screen
The moment you open it
Click any word. Get the meaning.
Install Lookupper, and in seconds you can point at any word on screen — in any app — and see its meaning, translation, and context. No setup. Just works.
- Click to look up.
- Click any word on your screen — Lookupper shows the definition instantly.
- Smart results, not noise.
- Definitions come from real dictionaries and AI-powered context — not guesswork.
- Works everywhere.
- Games, PDFs, browser, video subtitles, locked apps — if you can see it, you can look it up.
No pause button needed
Learn while you play
Start any game. See a word or sentence you don't know? Lookupper translates it on the spot. Understand more without breaking flow.
- Works in all games and apps.
- No matter where the text is — it just works.
- Context-aware AI translation.
- Understand meaning, not just literal word swaps.
- Full-sentence support.
- Translate anything from one word to a whole subtitle line.
Start building your vocabulary
Save what you learn
With one click, save any word you look up. Screenshot, audio, translation, definition — all captured and ready to review later.
- Build a library that's yours.
- No need to manually type anything. Your learning is always just one click away.
- Capture with one click.
- Save the word and everything around it: sentence, screenshot, audio, and meaning.
- Review it later.
- Export to Anki, Quizlet, or any flashcard app that supports spaced repetition.
Learn any of the 29 Supported Languages
English
Spanish
French
German
Italian
Portuguese
Russian
Dutch
Japanese (beta)
Korean (beta)
Chinese (beta)
Arabic
Turkish
Greek
Polish
Swedish
Norwegian
Finnish
Danish
Romanian
Czech
Hungarian
Bulgarian
Bosnian
Croatian
Norwegian Bokmål
Slovak
Slovenian
Serbian
Lookupper do not record the screen
And collects no personal data.
4.5 on the Microsoft Store
Reviews
"I accidentally came across this application and was amazed that this application is even better than Yomitan. It recognizes text, allows you to export cards to anki, and the developer is constantly working to improve the functionality. Ideal for those learning English or other languages."
Anonymous
from Belarus
"I've only used it for a week or so, but I already notice a lot of improvement. It's a great way to practice your target language in a real world way."
Camden
from United States
"I can read and learn English smoothly, maximizing the time spent absorbing knowledge instead of wasting most of it taking notes or looking up words in a dictionary."
alex
from China
"Words can’t express how useful this app is. It works flawlessly in every application, and the download process is incredibly simple. It accurately recognizes words and provides precise translations."
Podrez
from Germany
"A very good translator that doesn’t require lengthy setup. Great for gacha games like Wuthering Waves, Limbus Company, and other games with lots of text. It translates both single words and entire sentences at once."
Zaborov
from France
"Helps to instantly translate words without any hassle, no need to type them into a translator or constantly use Ctrl+C Ctrl+V. Plus, the support is very positive and helps resolve any issues smoothly."
vvvv
from Russia
FAQS
Common Questions
Built for language learners — works for everyone
Download Lookupper for free on your PC. No sign-up, no data collection — just fast, secure dictionary and translator that works out of the box.
Join 20,000+ users