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1Checker, the best free grammar checker, allows you to instantly check texts for various mistakes and offers you improvement suggestions for writing better English.

Powered by Artificial Intelligence (AI) and Natural Language Processing (NLP) technologies, 1Checker is an ideal writing enhancement tool with spelling check, grammar check, style review, vocabulary enrichment, dictionary, translation and more this-is-exactly-what-I-want benefits all packed in one.

What's New

Version 2.1.6:
  • Compile with Facebook's upgrade to enable Facebook account log-in.


  • OS X 10.7 or later

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Current Version (2.x)


Downloads 1,077
Version Downloads 156
License Free
Date 01 May 2015
Platform Intel 64 / OS X
Price Free
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