Grammarly is an AI-powered writing assistant offering a comprehensive suite of writing enhancement features. At its core, it checks and corrects grammar, spelling, and punctuation errors in real time, helping eliminate basic mistakes. Beyond mechanics, it provides stylistic improvements for clarity and conciseness. for example, suggesting more concise phrasing, avoiding passive voice, and improving sentence variety. Grammarly also offers tone detection: it analyzes word choice, phrasing, punctuation, and even capitalization to identify the tone of your writing (e.g. formal, friendly, confident). It can then make tone adjustment suggestions to ensure your message comes across as intended Additionally, Grammarly gives vocabulary enhancements e.g. synonyms or more vivid word choices) and inclusive language suggestions on higher-tier plans Advanced features of Grammarly include a built-in plagiarism checker, which compares your text against billions of web pages and academic databases to flag potential plagiarism and even provides citations for detected sources. For academic writing, it offers citation style checks and consistency suggestions to ensure proper referencing. Another capability is its AI writing assistance: using generative AI (powered by large language models), Grammarly can generate text from prompts, rewrite or paraphrase selected text, and even propose whole-sentence or paragraph rewrites to improve clarity or tone. This means users can highlight a sentence and instruct Grammarly to rephrase it or input a prompt to have Grammarly draft a passage. The assistant can also suggest ideas or outlines to help overcome writer’s block. Grammarly has expanded its feature set with specialized tools as well. It includes an AI-generated text detector that identifies if an input text is likely written by AI (useful for educators or professionals concerned with authenticity). Conversely, an “AI humanizer” tool is available to help rephrase content to sound more human and natural. For students and researchers, Grammarly offers a citation generator and citation checker to build properly formatted citations and maintain consistency in referencing style, For students and researchers, Grammarly offers a citation generator and citation checker to build properly formatted citations and maintain consistency in referencing style, It also provides an essay checker and writing score feedback, giving holistic evaluations of a document’s quality. For teams and businesses, collaborative features like style guides (custom rules for writing that ensure consistency with company style or branding) and snippets (reusable pieces of text) help maintain consistent tone and efficiency across writers. These team features allow organizations to define preferred terminology, brand voice (including custom brand tones), and commonly used responses or phrases that can be inserted quickly.