extension ExtPose

EndNote Click - Formerly Kopernio

CRX id


Description from extension meta

Fast, one-click access to millions of research papers.

Image from store EndNote Click - Formerly Kopernio
Description from store The official EndNote browser extension. Access millions of research paper PDFs in one click on Web of Science, Meta, PubMed, arXiv, Scopus and thousands more academic websites. Save time navigating paywalls, logins and redirects. EndNote Click helps you get to your full-text PDFs faster by securely connecting you to your library’s journal subscriptions and open access content. Once you have the PDF, you can easily export it to your favourite reference management tool or download it to your desktop. EndNote Click integrates with Mendeley, EndNote, Dropbox and Zotero Get started in two minutes and find out why researchers at thousands of universities are already using EndNote Click. Try it for yourself. In case you have any questions email us at [email protected] Please check with your librarian or IT department for recommendations regarding the use of browser plugins. Note that EndNote Click was formerly known as Kopernio.

Latest reviews

  • (2023-01-29) Yuchen Liu: It helps me to get the access of two papers through my university's library. Very recommend!
  • (2022-10-17) Mohd Amirul Aizad: whoaaaaa
  • (2022-08-16) Rahal Perera: it isn't working every time it says end note is 'under maintaince" for 3 days straight......what is this?????
  • (2022-07-27) Gryffindor Jeff: 官网打不开了?
  • (2022-05-12) 刘成城: 登陆显示邮箱无效。。。
  • (2022-04-16) Zilong Yuan: cannot read any Arxiv article info after update
  • (2022-04-13) Chang Liu: Improve "push to endnote web” button, please!
  • (2022-04-04) Bianca Watermeyer: The "view PDF" function is not working anymore and it was a really useful tool.
  • (2022-03-10) Yanxiao Sun: 好用
  • (2022-02-15) Albert Gauss: Yellow banner with wrong message. I have already use v2.2.3, but when I open locker, a yellow banner shows "Please click here to update your EndNote Click plugin to version 0.10.9sh". This have already existed for a long time. How to cancle this?
  • (2022-01-15) Ahmed Lafi: اداة رائعة شكرا جزيلا Fantastic, Thanks
  • (2021-09-27) Antonio Lirio: Bueno, rápido y confiable
  • (2021-05-06) JOHANNES GREIFF: The saviour of my BSc and MSc projects, amazing plug-in!
  • (2021-04-20) Won't load PDFs. Stuck on loading screen for ages. When using with Web of Science, will randomly pop up and suggest to find PDF. Very annoying.
  • (2021-04-11) Zein Fallaha: The interface is awful not user friendly
  • (2021-03-14) Atilla Büyükçoban: gayet iyi
  • (2021-02-17) PatchThePanda: Very helpful and makes formatting bibliographies and keeping literature in one place very easy. Getting really annoying now though as it seems every other PDF file I open is "invalid or corrupt", so I can't view the PDF or export it...
  • (2021-02-11) Kate: This used to be a very useful tool but ever since the EndNote rebranding, it is garbage. I appreciated being logged in automatically to my accounts so I can get past paywalls easily but now instead of refreshing the page to show full articles, you are forced to view everything in their viewer. Their viewer does not provide any benefits to me but does come with annoyances. I'll stick to just logging myself in now. The biggest flaw is the forced logo in the lower left hand side of EVERY page the extension thinks you MIGHT want to use it for. This means that if you use anything NCBI at all, you are forced to watch the distracting "loading" icon, where the wheel spins and spins endlessly. Since a lot of NCBI is not just reading articles but actually using their databases, there is nothing to "log in" to and no reason anyone would want to use this extension. Since I can't turn off the annoying logo showing up everywhere associated with NCBI, I can no longer use this. This used to be a very simple extension that just simplified the credential log-in process, but now it just feels like it has been re-tooled into a way to try and convince you to use Endnote's other services. I will be removing this extension and just logging myself in from now on until I can find something that does what this used to and nothing more when I didn't ask it to.
  • (2021-01-27) Evan Cunningham: Endless problems since it changed to Endnote from Kopernio. Honestly, this should't even still have the ratings from Kopernio. I have not been able to open a PDF using this extension in weeks. Ever time I get that the PDF is corrupt and so nothing ever loads.
  • (2020-12-15) Leonardo Santos Lima: não ta funcionando
  • (2020-11-22) Eder Zavala: EDIT 2020: Well it was good while it lasted. First they changed the GUI by adding tens of unnecessary small buttons (looking a bit like Windows, ugh), then couldn't solve a recurrent problem with annoying pop-up shibolet prompts for user credentials every time you search a paper (so long for storing library credentials), now it belongs to EndNote, a software I've been actively trying to avoid. I am uninstalling this extension. - - - - - - Real time saver. However the latest bug (Kopernio blames Chrome) made me lose first 7 days then 4 weeks of browsing history, cookies, passwords, etc. without fixing the problem. What worked in the end was to remove the extension and re-installing it.
  • (2020-11-17) vijdan yavuz: cok faydalı
  • (2020-11-06) Ella Romans Pedersen: Bring back Kopernio!!! Hate the new colours and graphics of endnote click!!!
  • (2020-11-04) Luca: Exporting files to EndNote used to work 70% of times... with the new update nothing works anymore. Very disappointed.
  • (2020-09-21) Katherine Duchesneau: This extension fills the gap between my online research and my citations. Before, I would have to manually input the pdf when downloading citations to Endnote (this is how I sort and keep track of all the papers I accumulate). Now the process is seamless and, with the endnote cite-while-you-write it is very easy to go from the online version of the paper to a direct citation in the paper i am writing.
  • (2020-08-31) Kaid Tomlinson: Incredibly useful and amazing tool, it takes all the hassle out of finding the full PDFs to research articles and citations are a breeze
  • (2020-08-29) Anqi Wei: 相当全
  • (2020-08-16) Walter Esteban Valdez Esquivel: Es excelente.
  • (2020-08-14) 皇甫瞻: 为什么更新完谷歌浏览器,插件总会显示个红色的数字1,有人会这样吗
  • (2020-04-16) Jorge Toro: Powerfull tool for a dynamic research.
  • (2020-04-10) Itzi Riv: Es muy útil, facilita las búsquedas
  • (2020-03-24) Joshua Zhang: 很棒,感谢创作者
  • (2020-03-22) Adel Alansary: fast, user friendly
  • (2020-03-22) Mavey Lynn: 还挺好的吧
  • (2020-03-20) zhipeng yu: nice, very convinience
  • (2020-03-19) fullsunflower: So helpful for writing my papers for school!
  • (2020-03-19) Kevin Yang: Very helpful
  • (2020-03-18) soumitra chowdhury: Most efficient tool to view and download scientific articles
  • (2020-03-18) ziliang xiong: Easy to use
  • (2020-03-17) 王吉: Very good
  • (2020-03-17) Peter Rapenske: Makes utilizing research even easier.
  • (2020-03-17) DAVID GUTIERREZ DUQUE: Es una excelente herramienta, más útil de lo que uno podría imaginar.
  • (2020-03-17) Eduard Roos: Very easy to use and it definitely cuts down on tracking some difficult to find manuscripts.
  • (2020-03-17) liwen wang: most of academic paper in machine learning could be found, this extension is pretty good for researchers
  • (2020-03-17) srini P: best app to save research articles.. loved it
  • (2020-03-17) Zizhen Guo: 着实好用
  • (2020-03-17) Jose Arn: Es muy muy útil, sobre todo porque en las referencias de cualquier sitio web te redirecciona al estudio directamente solo con poner el cursor encima del enlace, la verdad es que es una herramienta más que buena.
  • (2020-03-17) G. G.: 挺有用的,确实起到了资源整合的作用。
  • (2020-03-17) 孙菁: very useful

Latest issues

  • (2022-07-27, v:2.3.2) Andrew Garneau: Cookie consent modal making page unusable
    At the url when asking to sign in at https://click.endnote.com/signin, there is a div that displays the consent div for cookie tracking. Unfortunately the overlying fade container for this div is causing the buttons or anything on the view to be 'disabled' or not able to be accessed. To fix this I just went into the chrome dev tools and removed this element, accepted cookies, and was fine after that. Verified that this issue is happening on Chrome on multiple devices.
  • (2022-07-21, v:2.3.2) xq tian: PDF can not be loaded and save to "my locker"
    it does not work on the website “www.sciencedirect.com”, PDF can not be retrieved and loaded, although I have institutional access to the papers manually.
  • (2022-06-14, v:2.3.2) 林庚賢: endnote click lag in wos result page
    when i use wos database,"View PDF with EndNote Click" always show lag more then 5sec in wos result page in this month.Sometimes i have to reload the result page,then i can see the "View PDF with EndNote Click" .
  • (2022-06-06, v:2.3.2) Anthony Salazar: Endnote click does not pop up
    Dear Publisher, When viewing an article from Science the Endnote plug in does not pop up asking me if I want to preview this article. I really enjoy this feature as it makes adding to my library easy. Why is it that some websites work while others do not. Is there anyway to manually activate this function when it does not do it automatically? Best, Anthony
  • (2022-01-19, v:2.3.2) Debaditya Chatterjee: Endnote Online extension Login
    I have created an account on Endnote Click with my institutional email and installed (and re-installed) the Chrome browser extension a few times but always at the Sign-in page it says that my credentials are invalid. I have the Endnote web interface logged into and from there I even changed the password, but this issue persists. Please advise as to how I can login to it.
  • (2021-10-30, v:2.3.2) Joe Alanis: Export to EndNote Desktop
    I can not export from my Locker to EndNote Desktop, because it asks me to login into my account, I think my original login information is incorrect, ([email protected]) it should have been ([email protected]) I have tried to change my email to my school email ([email protected]) but I still receive error message "incorrect login" Please help
  • (2021-08-23, v:2.3.2) Mirna Brito: I'm not getting access to Web of Science
    Dear Sirs, good night! I'm not getting access to Web of Science because my email is wrong. My institutional email is [email protected] (Federal University of Viçosa). I am not able to correct my registered data. Sincerely,
  • (2021-06-10, v:2.3.0) Tuğba Urcan: PDF İNDİRİLEMİYOR
  • (2021-06-02, v:2.2.3) Rodrigo Antonio Melendez Morales: No se puede instalar
    Al intentar instalar aparece el siguiente mensaje: "Se ha producido un error Este elemento ya se está descargando y añadiendo a Chrome." Después de esto da la opción de Vovler a cargar o Cerrar pero al volver a intentar se obtiene el mismo mensaje. Ya intenté con varias cuentas de Google con el mismo resultado
  • (2021-05-17, v:2.2.3) Carl Byrne: Mac Big Sur compatibility
    Dear Sir/Madam, Endnote click has worked great for me for many years but since switching to Mac Big Sur OS it has stopped working. Will you be bringing compatibility to this operating system? Kind regards,
  • (2021-05-14, v:2.2.3) Debbie Anslow: Endnote upgrade
    Hi, I have asked 3 colleagues to install endnote, they have but I have no extra features.
  • (2021-05-14, v:2.2.3) Debbie Anslow: Stopped working
    Hi, My Endnote account has stopped working I have aske colleagues to install endnote they have but I have no more storage. Please assist
  • (2021-04-29, v:2.2.2) Giles A: Update
    Greetings :) I am getting a warning that I need to update the extension to version 2.2.2 I can't find how to install the update. thanks :)
  • (2021-04-22, v:2.2.1) J W: "Sign in to your institution" even though signed in + Invalid PDFs
    Hello, I hope you can help. I have my institution added to my EndNote Click account, and the box ticked to remember my credentials. But for some reason when I come to an article, a purple box stating "Sign in to your institution" often appears, pointing to a blank popup for linkinghub.elsevier.com. The popup "loads", then "redirects", then disappears. This all goes away quite quickly, but it would be much better if it didn't appear at all. Is there something I can do to stop this? Hitting "Remind me later" doesn't delay the issue for long, and clearing my cache and re-adding my affiliation didn't help. Also - I've found there are often PDFs which come up with a red message: "invalid or corrupt PDF file". Is this expected?
  • (2021-03-25, v:2.2.0) Prerak Agarwal: Unable to add the extension
    Every time I try adding the extension it shows me an error saying "Could not move extension directory into profile." Kopernio used to work fine. Can you please guide me as to how I can fix this?
  • (2021-03-20, v:2.2.0) Claude Billeaud: Charge a PDF on EndnoteClick
    How to download with endnote click all the references of an article in PDF Dr Claude Billeaud [email protected]
  • (2021-03-20, v:2.2.0) Claude Billeaud: Load a PDF
    How Load all the references at the bottom of an article (PDF)
  • (2021-03-20, v:2.2.0) Claude Billeaud: comment utiliser Endnote Click pour charger toutes les références d'un PDF
    comment utiliser Endnote Click pour charger toutes les références d'un PDF
  • (2021-03-17, v:2.1.1) Claude Billeaud: Endnote 20
    Je ne sais pas l'utiliser
  • (2021-03-17, v:2.1.1) Claude Billeaud: Je n'arrive pas a installer Endnote 20 that I paid
    Je n'arrive pas a installer Endnote 20 that I paid
  • (2021-03-04, v:2.1.1) Hesma van Tonder: EndNote Click install instructions
    Hallo. I am a librarian, and uses EndNote click with great joy. Where can I get screenshots/instructions to teach my students how to install it. I have installed it long ago as Kopernio. Thanks Hesma
  • (2020-12-07, v:1.0.3) Lutfiddin Olimov: Through you Web of Science, Meta, PubMed, arXiv, Scopus Is it possible to submit articles to journals in the system? Thanks in advance for the reply. Professor Lutfiddin Olimov
    Through you Web of Science, Meta, PubMed, arXiv, Scopus Is it possible to submit articles to journals in the system? Thanks in advance for the reply. Professor Lutfiddin Olimov
  • (2020-11-28, v:1.0.3) 麦菌根藜: Mismatched article delivers
    Today when I used endnote click on the web of science, after clicking the "view article" button, it shows a mismatched article that is not the article I'm seeing in the search. and many different articles have the same issues. I can't get the article I'm searching through this app. For example, one article I'm looking for is "Plant growth promoting rhizobacteria and endophytes accelerate phytoremediation of metalliferous soils", DOI: 10.1016/j.biotechadv.2010.12.001, but it shows me the "Ethylene biosynthesis: Identification of 1-aminocyclopropane-1-carboxylic acid as an intermediate in the conversion of methionine to ethylene". Weirdly. What's wrong with it?
  • (2020-11-17, v:1.0.1) Rui LIU: Support Microsoft Academic
    Apart from Google Scholar and the other two providers, MS Academic is also a commonly used paper-search engine (at least for me). Please consider supporting it.
  • (2020-11-10, v:1.0.1) Michael Wasson: Library integration
    Hello, I have Endnote 20, and I successfully set up Click with my affiliation, the University of New England (Australia). But I cannot seem to get Click to 'trigger' linking with my library. I have gone into Jstor, without logging in through the library, and selected an article, I click on the button in the lower left corner, but all I get is the quote and rotating wheel. What am I missing? Michael
  • (2020-11-07, v:1.0.1) Ethan O Halloran: how do you even use this anymore?
    My lecturer had recently told me about kopernio and it made my life so much easier. Now just as i find this saviour in my life it is changed to Endnote and doesn't work. I can't get it to show me one pdf and never has the button to find them. I dont even know what this new one does because it seems to be doing nothing but annoying me.
  • (2020-11-06, v:1.0.1) Guilherme Samprogna Mohor: Constantly asking to log-in
    Every second page I open it opens a pop-up and asks to log-in again, and again, and again, and again ....Quite nerving. I saved the password, allowed everything I could set, it still asks for log-in, not in every page, but in most new pages.
  • (2020-09-28, v:0.12.30) J Salter: Issue with Chrome extension breaking layout of website
    Hi, It was reported to me that the layout of White Rose Research Online (https://eprints.whiterose.ac.uk/) was broken, and the cause was traced to the Kopernio plugin. I've spent a bit of time analysing the cause, and I think it's due to a style being added to 'navbar-fixed-top'. This is part of the Bootstrap framework that we use for our site - as well as being part of the extension you're trying to style. The specific part is in both content.bundle.js and background.bundle.js: initialize(){super.initialize();Object(B.C)(this.document,e=>e.querySelector('[class="navbar-fixed-top"]')).then(e=>{e.style.top="55px"})} For our site, this makes our header navigation move down the page. The navbar I suspect you're trying to style is in message-container.html. I think your selector could be updated to use e.g. 'nav#background.navbar-fixed-top', although making this more specific to your extension (as other parts of your code/css are) by using e.g. id="k-extension" on a surrounding element would make it less likely to cause this type of issue. Cheers, John
  • (2020-09-21, v:0.12.28) Katherine Duchesneau: Invalid or corrupted PDF file even when downloading from web of science
    Hello, I have a problem that only started today. When I try to open an article using the "view PDF" button that appears over the web of science page, it opens the usual kopernico viewer page but the PDF never loads and I get the following message "Kopernio plugin version: 0.12.28 Message: Something went wrong trying to render the PDF." Please let me know if you have any pointers as to how I can fix this error. Thank you, Katherine
  • (2020-09-01, v:0.12.26) Ramon Gonzalez: Extension block IGV and Alamut Visual communication
    We identified that Kopernio chrome extension is preventing our web application to communicate with IGV and Alamut Visual applications. Once the extension is disabled or uninstalled communication with IGV and Alamut Visual works. IGV (https://software.broadinstitute.org/software/igv/PortCommands) Alamut Visual (https://www.interactive-biosoftware.com/doc/alamut-visual/2.7/programmatic-access.html)
  • (2020-08-05, v:0.12.21) Mark Adams: Kopernio can't render pdf's
    Hi, As of today Kopernio seems to be unable to render any pdf images. I'm getting the following error - Kopernio plugin version: 0.12.21 Message: Something went wrong trying to render the PDF. This error has been logged and will be fixed soon. This is happening with articles from ScienceDirect.com, https://reader.elsevier.com/ and many other sites. Regards, Mark
  • (2020-07-30, v:0.12.19) 梅豪: 导出至endnote 有时不能用
    在某些时候,可以显示全文,但导出至endnote 显示为灰色,不能使用,这是为什么?
  • (2020-07-27, v:0.12.19) Michael Bates: subject area of Kopernio
    Apparently Kopernio only works with PubMed or MedPub, whichever. If the plugin is only for medical researchers, why not say so upfront? I wasted a lot of time installing it. I'll try to find another extension for the humanities, if there is one that gives me more than JSTOR and Hathi Trust, which I already have.
  • (2020-05-10, v:0.12.6) Joy Hany: How to use Kopernio on Web of Science
    I am trying to download a PDF from Web of Science. I clicked on find PDF which has Kopernio logo on it but a messsge appears to me which says "Kopernio is a free plugin from Web of Science giving you one-click access to your full text subscriptions and Open Access articles." and I have already added Kopernio to my chrome browser. What shall I do ?
  • (2020-05-01, v:0.12.6) Laura Fox: Long delay for Export to Endnote function
    Hi! I've been using the add-on for a while and I love it. However, recently I've had a problem using the 'Export to Endnote' button in the web viewer. When I press it it doesn't bring up the save screen straight away, sometimes it can take ages to appear, or won't appear at all. Do you know how I can fix this or is this a problem with the function?
  • (2020-04-13, v:0.12.3) Chirag Vaswani: Error in logging into my institution account
    Hello, Very recently, I had problems with logging into my U of T account. It keeps saying error on their website and I tried restarting my computer, closing my browers etc. Could you please help me, Thank you,
  • (2020-03-13, v:0.11.3) Sthitadhi Maiti: Introduce the option to edit the tag names
    I absolutely this extension.The only change I would like to see is the ability to modify or change the tag names. Once named, they can't be changed in the current version. Please fix that.
  • (2020-01-06, v:0.10.1) Angel Gutierrez: Google Scholar is not in the list of providers
    Google Scholar is not in the list of available providers in Settings > Integrations. I do not have access to WoS and Pubmed is useless for me. I need Scholar. Is there any way to use it?
  • (2019-12-23, v:0.10.1) Russ Lehrman: Connecting to institutional libraries
    I don't understand your process for connecting. When the window opens for my institution it is not clear how I proceed to establish the connection. Please explain. Thank you!
  • (2019-12-22, v:0.10.1) zev bronstein: Reset password doesn't work
    WISOTT (what it says on the tin) I forgot my password, attempt to reset it, and never receive an email containing reset instructions. I triple checked the email, and looked in my spam folder, no luck. Any help would be appreciated
  • (2019-10-18, v:0.7.13) Louis Peperzak PeperzakBioAdvies: Can I import a reference and the pdf directly to EndNote?
    The Kopernio example worked fine: I imported the ris file into EndNote. But can I import the pdf simultaneously? There is an online link -> Go to URL, displayed in my EndNote reference and I can import the pdf from my download folder but it would work much quicker if I could import both simultaneously. Thank you.
  • (2019-10-13, v:0.7.13) ROBIN CUAYAL: does not let export references to cite the article
    Do not let export the references to cite the article in the chrome search engine. please I would appreciate your help
  • (2019-10-10, v:0.7.11) Sarah Casey: Kopernio not displaying at all
    Last time I searched for papers, Kopernio showed up which papers I could access, and now it's not visible at all, even when I click on the individual search results. Do I need to just go back to searching my institution's library catalogue? If so, that is a shame...
  • (2019-10-01, v:0.7.9) Krista Oswald: google scholar
    Although Kopernio is installed and active, it is not showing up on my google scholar searches at the moment.
  • (2019-09-18, v:0.7.8) zhe wang: the citation can not be used
    the citation can not be used
  • (2019-08-23, v:0.7.1) ali pourvaziri: google scholar stop working since this morning
    google scholar stoped working this morning, after chrome asked me to remove the kopernio . i removed and reinstall it and now its not working on google scholar
  • (2019-08-13, v:0.6.0) Stephen DiGiulio: Web of Science citations not showing when I click "K" icon in browser
    I understand that I'm supposed to be able to see OA type and WoS citations to an article when clicking the "K" icon in my browser (Chrome). However I only get the search Web of Science box. How do I correct this?
  • (2019-07-29, v:0.4.12) D U: Can't extend
    I can't extend my Apps. "Package is invalid. Details: 'Could not load javascript 'src/js/vendor-helpers-platform-libs.bundle.js' for content script.'."
  • (2019-07-29, v:0.4.12) Island: can't add it
    show "src/js/vendor-js-libs.bundle.js"
  • (2019-07-28, v:0.4.12) Taylor: Package invalid
    Installation of the extension results in a package invalid error. (v0.4.12)


2,591,562 history
4.5 (315 votes)
Last update / version
2021-08-19 / 2.3.2
Listing languages