This free online grammar check website or proofreader helps writers count words, check spelling, check grammar and punctuation, check paraphrasing, improve word choice, self-assess the use of target structures, and master English pronunciation. It also trains learners and novice teachers to become better proofreaders with an error correction game on the Error Correction Games page. This website is 100% free to use, and membership is free . Be sure to get the okay from your teacher before using this tool!