Description from extension meta
Learn Duolingo vocabulary with flashcards and while browsing the web
Image from store
Description from store
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FEATURES
☆ Sync words from Duolingo
☆ Choose whether to translate words or sentences
☆ See translations on the web pages you visit
☆ Hover the translation to see the original text
☆ Spread out translations across the whole page or concentrate on the top
☆ Ignore certain domains you don't want to translate
☆ See (and copy) the vocabulary you've learned with Duolingo
☆ Practice the words with flashcards and AI-generated sample sentences
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PRIVACY
* The notice you see about having access to your history and website data is automatically generated because the extension runs on every tab. But it does NOT actually monitor your browsing history or require your personal information to work properly.
Latest reviews
- (2025-05-10) Joaquim Dmt: Is it still working? i tried the workaround but i don't see any button after resfresh on words page
- (2024-09-20) Adam “Addohm”: Pretty cool extension. Sadly subscriptions are a big no-no to me. Please offer a lifetime plan.
- (2024-09-16) Lorrene Laursen: Hi I can't see the ninja logo in DuoLingo. Help please.
- (2024-06-21) Rabbi Linder: Hi! I am logged into duolingo and when I press the icon for duolingo ninja it just tells me to press settings to sync, but nothing happens ... ?
- (2024-06-20) Greg Nelson: My new favourite tool! I am using the DL Ninja to compliment my learning of French. I personally use it with Reddit posts (like AITA) to vastly increase my exposure of French words day-to-day. This has definitely made a huge difference in being able to quickly identify and integrate new French words into my vocabulary in a way that doesn't feel like work.
- (2024-05-27) Keith Ian: Unfortunately, maybe to no fault of the developer, this didn't work for me at all. I followed the instruction to choose Spanish (a tree I finished), clicked on the link, the button appeared, but when I click on it, all it says is "Couldn't find the list of words and translations. Please refresh the page and try again." If I refresh the page and do the same thing, the same message appears no matter how many times I try. I tried all 3 download options (new, overwrite, etc.), but same issue. This is within Microsoft Edge which pulled the extension from the chrome web store.
- (2024-05-14) Hope Vanto: I have imported my German vocab but it is not syncing to duolingo ninja
- (2024-02-23) Bobert: So far I like the app, but I've seen someone else said that Duolingo doesn't have enough data for a language, so which languages do you guys have (besides spanish)
- (2024-02-19) Chris Spencer: Doesn't work at all. I only installed this extension because it said it could download all my vocab words. I can view my list of vocab words in the DL site/app under the "Practice Words" section, so I could write a script to scrape this data myself, but I thought I'd try this extension. It's only a "free trial", and I don't mind paying for something, but it said it could download the vocab list, yet when I select the language, it gives me the error "Duolingo does not provide a vocab list for <language>...blah blah blah", which is simply untrue. The one thing it said it could do, it doesn't do, yet it wants me to pay for it?
- (2024-02-18) Nik Thomson: Loving this, Duo is useful but you need more and this extension breaks out and spreads across all your online activity. I'm enjoying the flash cards as well as they add to the variety. At the price point this app is set at it is a no brainer to go to the paid version, thank you Meelis
- (2024-01-04) Hrishikesh Apte: Duolingo Ninja is an Awesome Extension available for free for Chrome. This Extension provides you with all the words you've learnt on Duolingo. The Extension also provides a Website Translation feature in which it automatically detects the words you've learnt on Duolingo and translates them on the website to the language you're learning. This feature helps you build your Base even more stronger as it helps you to revise some past words which you probably might have forgotten! I would surely recommend everyone to try Duolingo Ninja for free!
- (2023-12-10) Kyle: This is a fantastic extension, why it's not used by more people, I'll never know. I would like if there was a lifetime purchase price however instead of a monthly cost but I respect the hustle.
- (2023-11-26) Clarence Chief: japanese (and some languages) not working, but this extenison works with all languages (not only english like in duolingo) Reply to your reply : Thank you for replying me, I already used recently another extension where exactly there you can download vocabulary in txt file and I want to say Japanese works too, could you do the same or something similar then to make it work?
- (2023-11-26) Clarence Chief: japanese (and some languages) not working, but this extenison works with all languages (not only english like in duolingo) Reply to your reply : Thank you for replying me, I already used recently another extension where exactly there you can download vocabulary in txt file and I want to say Japanese works too, could you do the same or something similar then to make it work?
- (2023-10-13) Rose Sarocha: The best one!! :)
- (2023-10-13) Rose Sarocha: The best one!! :)
- (2023-09-13) Men Nguyen thi: Yeah!
- (2023-09-13) Men Nguyen thi: Yeah!
- (2023-09-04) Taylor Mudgway: Great little extension. Free trial is fair and the premium version is so cheap that it's kind of a no brainer. One of the biggest issues with Duolingo right now is the lack of flashcard support, and this fills that gap in a much more natural way. The background highlighting of translated words was a little bit distracting to me at first. So I reached out to give some feedback requesting the ability to adjust or remove it, and the feature was added the next day. Awesome!
- (2023-09-04) Taylor Mudgway: Great little extension. Free trial is fair and the premium version is so cheap that it's kind of a no brainer. One of the biggest issues with Duolingo right now is the lack of flashcard support, and this fills that gap in a much more natural way. The background highlighting of translated words was a little bit distracting to me at first. So I reached out to give some feedback requesting the ability to adjust or remove it, and the feature was added the next day. Awesome!
- (2023-07-17) Adrian Hallik: Duolingo just got better because of this extension.
- (2023-07-17) Adrian Hallik: Duolingo just got better because of this extension.
Statistics
Installs
3,000
history
Category
Rating
3.8235 (17 votes)
Last update / version
2025-08-04 / 1.7.6
Listing languages
en