PerfectIt is a proofreading software designed to help professionals, especially those in the legal field, spot errors in their written documents that spelling and grammar checkers might miss. Developed by Intelligent Editing Ltd (a London-based company founded in 2009), the tool is popular with legal professionals for its ability to maintain consistency across complex documents.

PerfectIt can check documents for consistency in abbreviations, hyphenation, capitalization, headings, lists, and more. The software also allows users to customize their style guides and offers built-in styles such as Australian, British, Canadian, and American legal styles.