LexisAi is a free AI-powered text utility and writing assistant delivered as a Progressive Web App (PWA), according to its homepage. It is designed to help users quickly rewrite, proofread, summarize, shorten, expand, and generate text for emails, messages, and professional communication. The interface offers one-click actions such as 'Fix Grammar & Polish', 'Make Professional', 'Summarize / TL;DR', 'Cut Fluff & Shorten', and 'Warm & Friendly'. Users can also choose a desired tone from options including professional, friendly, direct, persuasive, confident, empathetic, casual, academic, and witty. They can target specific formats like general text, email, chat/Slack/SMS, social posts, application/cover notes, bullet points, and formal documents. The tool supports custom instructions and can generate three variations at once. It maintains a history of prior tasks. LexisAi is listed as free and requires no installation beyond a web browser.
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LexisAi addresses the time-consuming and error-prone process of manually editing and refining written communication. It helps users quickly fix grammar, adjust tone, reformat, shorten, or expand text for emails, chat messages, professional documents, and social posts, reducing the effort needed to produce clear and appropriate writing.