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Grammarly logo.svg
Screenshot of
Screenshot of
Original author(s)Alex Shevchenko and Max Lytvyn
Developer(s)Grammarly, Inc.
Initial releaseJuly 1, 2009; 9 years ago (2009-07-01)[1]
TypeOnline text editor with grammar checker, spell checker, and plagiarism detection
Alexa rankIncrease 669 (June 2018)[2]

Grammarly is an online grammar checking, spell checking, and plagiarism detection platform developed by Grammarly, Inc.[3][better source needed] The software was first released in late 2009. Grammarly's proofreading and plagiarism-detection resources check against more than 250 grammar rules.[4][5][6]


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; a premium service is available for a monthly payment.[7]

It was developed in 2009 by Alex Shevchenko and Max Lytvyn, in Kyiv.[6][8] The backend grammar engine is written in Common Lisp.[9] The app is owned by Grammarly Inc. Brad Hoover is the company's chief executive officer.[10]

In 2018, a security bug was discovered in the Grammarly web browser extension that allowed all websites access to everything the user had ever typed into the Grammarly Editor.[11] Grammarly has claimed the security vulnerability was never used to access any customers’ account data.

Grammarly Keyboard[edit]

The Grammarly Keyboard is an Android and an iOS app that is integrated within the typing service.

Grammarly keyboard supports only English keyboard and allows users to choose spelling auto-correction and suggestions according to 4 English dialects: American, British, Canadian and Australian, a preference available to users who register with a Facebook or Google account.

For Grammarly Premium users, the keyboard will also suggest style improvements and vocabulary enhancements. The user can see the suggestions along the top of the keyboard, and can accept a change just by tapping it.[12]

See also[edit]


  1. ^ " WHOIS, DNS, & Domain Info - DomainTools". WHOIS. Retrieved 2016-08-27.
  2. ^ " Site Info". Alexa Internet. Retrieved June 13, 2018.
  3. ^ Kepes, Ben (April 2, 2015). "Checking Grammar, On The Fly And On The Cloud". Forbes. Retrieved 2018-05-17.
  4. ^ Geeta Padmanabhan (September 21, 2011). "Cool tool". The Hindu. The Hindu Group. Archived from the original on January 19, 2013. Retrieved December 24, 2012.
  5. ^ Lee Chang-sup (May 1, 2012). "English again in New Year's resolution?". The Korea Times. Archived from the original on January 27, 2013. Retrieved December 24, 2012.
  6. ^ a b Cheryl Conner (October 21, 2012). "I Don't Tolerate Poor Grammar". Forbes. Forbes publishing. pp. 1–2. Retrieved December 24, 2012.
  7. ^ Moore, Ben (March 22, 2018). "Grammarly". PCMAG. Retrieved 2018-05-16.
  8. ^ Don Tennant. "How Cloud Power Is Improving Written English". Grammarly. Retrieved January 29, 2018.
  9. ^ Dyomkin, Vsevolod (June 26, 2015). "Running Lisp in Production". Grammarly Inc. Retrieved 27 September 2018.
  10. ^ "Brad Hoover - CEO @ Grammarly". Crunchbase. Retrieved 2018-05-17.
  11. ^ Patrick Howell O’Neill (2018-02-05). "Bug in Grammarly browser extension exposes what a user ever writes". Scoop News Group. Retrieved 2018-05-11.
  12. ^ "Grammarly Is Now on iOS and Android". Grammarly Is Now on iOS and Android | Grammarly. 2017-12-12. Retrieved 2018-05-13.

External links[edit]