This tool is free to use.

Enter your spintax in the left field and click the 'Check Your Spintax' button. Check Spintax will analyze it and search for possible errors. You will then see a preview of your spintax in the right field. Errors will be indicated in red.

Once you have corrected your spintax errors, click the 'Check Grammar' button to check for grammar errors or the 'Generate' button to generate an article from your spintax.