1Checker

1checker（易改）是一款英文自动检查纠错服务工具，除了可以提供英文写作技巧纠正语法错误和自动润稿修正外，还具有作文批改评分模式，存储常用错字、生字辞典，提供丰富的商用英文书信、英文作文范本等等资源。

1Checker is your ideal solution for proofreading. With spelling check, grammar check, style review, vocabulary enrichment, dictionary, translation, and more benefits all packed in one.