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Grammarly logo.svg
Screenshot of
Screenshot of
Original author(s)Alex Shevchenko, Max Lytvyn, and Dmytro Lider[1][2]
Developer(s)Grammarly, Inc.
Initial release1 July 2009; 10 years ago (2009-07-01)[3]
TypeOnline text editor with grammar checker, spell checker, and plagiarism detection
Alexa rankIncrease 263 (September 2019)[4]

Grammarly is a technology company that develops a digital writing tool using artificial intelligence and natural language processing.[5] Through machine learning and deep learning algorithms,[6] Grammarly’s product offers grammar checking, spell checking, and plagiarism detection services[7][8][9] along with suggestions about writing clarity, concision, vocabulary, delivery style, and tone.[10][11] The software was first released in July 2009. Grammarly is headquartered in San Francisco and has offices in Kiev and New York City.[12]


Grammarly is an app that automatically detects potential grammar, spelling, punctuation, word choice, and style mistakes in writing. Grammarly's algorithms flag potential issues in the text and suggest context-specific corrections for grammar, spelling, wordiness, style, punctuation, and plagiarism. It is available via a browser extension for Chrome, Safari, Firefox, and Edge. Grammarly is available as an app for both iOS and Android; premium service is available for a monthly or annual payment.[13]

It was developed in 2009 by Ukrainians Alex Shevchenko, Max Lytvyn, and Dmytro Lider.[1][2] The backend grammar engine is written in Common Lisp.[14] The app is owned by Grammarly, Inc., of San Francisco, California.[15]

In 2018, a security bug was discovered in the desktop web browser extension version of Grammarly that allowed all websites access to everything the user had ever typed into the Grammarly Editor. This bug was rapidly fixed. Grammarly said it has no evidence that the security vulnerability was used to access any customers’ account data.[16]

In October 2018, Grammarly announced support for Google Docs.[17]

See also[edit]


  1. ^ a b Krasnikov, Denys (6 July 2018). "Grammarly opens new Kyiv office as demand rises for help with English". Kyiv Post. Businessgroup LLC. Retrieved 6 September 2019.
  2. ^ a b Wiggers, Kyle (12 September 2018). "Grammarly brings its AI-powered proofreading tools to Google Docs". VentureBeat. Retrieved 6 September 2019.
  3. ^ " WHOIS, DNS, & Domain Info – DomainTools". WHOIS. Retrieved 2016-08-27.
  4. ^ " Site Info". Alexa Internet. Retrieved 6 September 2019.
  5. ^ Baca, Marie (2019-08-26). "People do grammar bad. Google's AI is hear too help". Washington Post. Retrieved 2019-09-06.
  6. ^ Kulkarni, Swamini (2019-02-23). "Artificial Intelligence Trends That You Cannot Afford To Ignore". CPO Magazine. Retrieved 2019-09-06.
  7. ^ Duffy, Jill (2019-08-05). "I Improved My Writing With Grammarly, and So Can You". PC Magazine. Retrieved 2019-09-06.
  8. ^ Padmanabhan, Geeta (21 September 2011). "Cool tool". The Hindu. The Hindu Group. Archived from the original on 19 January 2013. Retrieved 24 December 2012. Cite uses deprecated parameter |dead-url= (help)
  9. ^ Lee Chang-sup (1 May 2012). "English again in New Year's resolution?". The Korea Times. Archived from the original on 27 January 2013. Retrieved 24 December 2012. Cite uses deprecated parameter |deadurl= (help)
  10. ^ Fingas, Jon (2019-07-16). "Grammarly's color-coded AI suggestions show what needs fixing". Engadget. Retrieved 2019-09-06.
  11. ^ "Grammarly will now tell you if your writing is bland". Yahoo News. 2019-07-16. Retrieved 2019-09-06.
  12. ^ McCracken, Harry (2019-04-01). "On its 10th anniversary, Grammarly looks way beyond grammar". Fast Company. Retrieved 2019-09-06.
  13. ^ Moore, Ben (22 March 2018). "Grammarly". PCMAG. Retrieved 2018-05-16.
  14. ^ Dyomkin, Vsevolod (26 June 2015). "Running Lisp in Production". Grammarly Blog. Grammarly Inc. Retrieved 27 September 2018.
  15. ^ "Grammarly Inc". Bloomberg. Retrieved 2019-09-06.
  16. ^ O'Neill, Patrick Howell (2018-02-05). "Bug in Grammarly browser extension exposes what a user ever writes". CyberScoop. Retrieved 2019-04-03.
  17. ^ Coberly, Cohen (2018-09-12). "You can finally use Grammarly within Google Docs". TechSpot. Retrieved 2019-04-03.

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