GrammarChecker is a proof­reading service for English, German, Polish, Russian, and more than 20 other languages.

Grammar Checker is a free online grammar check tool. Use spell check, grammar check, and find contextual mistakes in sentences for 28 different languages.

Grammar Check and Spell Check

Grammar Check
Type or copy and paste your content into the box above and then click on "Check Text". Our advanced Online Contextual Spell Check and Intelligent Grammar Check tool will output the corrected results.
Spell Check
Type or copy and paste your Contents into the box and get the correct spelling prediction from our extremely powerful, free spell check online tool.
Text Analysis
Our Grammar checker tool uses advanced online contextual spell check and highly intelligent grammar check analysis. It includes readability analysis, filter work analysis, and word density analysis to ensure your text and style quality.

Grammar Checker

Grammar Checker is designed to identify many grammatical and stylistic issues that a simple spell checker cannot detect. Grammar Checker is an absolutely free online grammar check tool. It detects contextual mistakes for English, German, Polish, Russian, and more than 20 other languages via spell check and Grammar check.


  1. Type your text or copy and paste your content into the box.
  2. Click on the "Check text" button.
  3. If any mistakes are found, then text highlighted in different colors will indicate suggested corrections.
  4. Click on the various highlighted text to see available corrections.
  5. Select and apply corrections as per the Grammar check and spell check suggestions.


  1. Our Grammar Checker is Highly Secure and optimized for high speed.
  2. No Registration and No Signup Required.
  3. Forever and always Free, with Unlimited Spell checking and Grammar check.
  4. No additional software installation required.
  5. Grammar Check supports a wide variety of modern browsers and devices.

License & Source Code

LanguageTool is freely available under the LGPL 2.1 or later.
The source is available on github.