Best Grammar & Style Tools in 2026

ProWritingAid is a comprehensive writing assistant designed to help authors, students, and professionals improve their writing. It goes beyond basic grammar checking, offering over 25 in-depth reports that analyze various aspects of writing, including style, pacing, dialogue, and overused words. The tool provides actionable feedback and suggestions to enhance clarity, impact, and engagement, helping users refine their sentences, eliminate weak words, and fix common mistakes. ProWritingAid integrates seamlessly with popular writing applications like Microsoft Word, Google Docs, and Scrivener, allowing users to access its features directly within their preferred environment. Key features include a Realtime Checker, Rephrase tool, Sparks for overcoming writer's block and generating ideas, Chapter Critique for instant feedback on sections, and Manuscript Analysis for a deep dive into an entire story's structure, plot, characterization, and pacing. It also includes a Plagiarism Checker and tools for learning and community engagement, making it a valuable resource for anyone looking to elevate their writing craft.

Ginger Software is a writing assistant that checks grammar, spelling, and punctuation. One of the earlier grammar checking tools, Ginger offers a browser extension, desktop app, and mobile keyboard. The tool provides corrections, rephrasing suggestions, and translation features. While Grammarly has largely dominated this market, Ginger remains a solid alternative with competitive pricing and good basic functionality for non-native English speakers.

iA Writer is a minimalist Markdown writing application that removes distractions to help users focus solely on writing. It offers features like Focus Mode, which highlights the current sentence or paragraph, and Syntax Highlight, which visually breaks down sentence structure to improve writing clarity. The app also includes Style Check to identify clichés, fillers, and repetitive patterns, encouraging users to refine their prose. Designed for writers, students, professionals, and anyone who values clear and concise communication, iA Writer separates writing from formatting, allowing users to concentrate on content first. It supports plain text Markdown for portability and offers export options to PDF, Word, and HTML. Available across Mac, Windows, iPhone, and iPad, it aims to provide a fast, focused, and private writing experience, emphasizing intentional features over a multitude of distracting options.

LanguageTool catches grammar, spelling, and style issues across 30+ languages. The AI-powered checker goes beyond basic errors to suggest clearer phrasing and detect tone inconsistencies. Available as a browser extension, desktop app, and API, it helps writers produce polished content whether drafting emails or long-form articles.

Marked 3 is a robust Markdown preview application for Mac users, designed to enhance the writing and publishing workflow. It provides real-time rendering of Markdown content from any text editor, allowing users to see their document as it will appear before publication. Beyond basic preview, Marked 3 integrates advanced proofreading tools for grammar and style checking, ensuring high-quality output. The tool is ideal for writers, developers, and anyone who works extensively with Markdown and requires a sophisticated preview and export solution. It supports a wide array of Markdown processors, custom styling, and versatile export options including PDF, HTML, DOCX, and EPUB. Marked 3 also offers unique features like Speed Reading, Markdownify for web page conversion, and deep integration with popular writing apps like Scrivener and Ulysses, streamlining the entire document creation and publishing process.

Ulysses is a comprehensive writing application designed for individuals who write extensively, from college essays and blog posts to full-length novels. It offers a distraction-free interface to help users stay in the flow, coupled with robust features for managing writing projects of all sizes. The app includes a built-in grammar and style checker available for over 20 languages, providing suggestions for capitalization, punctuation, semantics, redundancy, and style. Beyond writing, Ulysses facilitates the entire publishing workflow. Users can export their texts into various formats such as PDFs, Word documents, ebooks, and even directly publish to platforms like WordPress, Ghost, Medium, and Micro.blog. It also supports organizing content with features like project management, goal setting, and seamless synchronization across all Apple devices, ensuring writers can work anywhere, anytime. Ulysses has been continuously developed since 2003, with frequent updates and new features.

Hemingway Editor makes your writing bold and clear. The app highlights dense writing, passive voice, and complexity-editing that teaches you to write better. The highlights are immediate. The grades show progress. The discipline improves writing. Writers wanting clearer prose use Hemingway to identify and fix weak writing.

Phrasly is an AI humanizer and detector that rewrites AI-generated text to sound natural and pass AI detectors like Turnitin and GPTZero. It pairs a humanizer with its own AI-detection checker and grammar tools, marketed mainly to students and writers who want detection-safe, readable output.

ClarifierAI is an AI-powered keyboard extension for iOS 17 and up that helps users write better, faster, and more accurately across all their apps. It integrates directly into the native iOS keyboard, allowing for seamless rewriting, translation, and grammar correction without switching between applications. This tool is designed for a wide range of users, including professionals who need to draft polished emails and messages, founders communicating their vision, and non-native speakers aiming for natural and fluent expression. By providing instant AI assistance directly where you type, ClarifierAI aims to save users significant time and improve the clarity and professionalism of their written communications. The core functionality focuses on transforming messy thoughts into clear messages, checking politeness, translating text, and correcting grammar. It emphasizes user privacy by only processing text explicitly selected by the user and does not engage in keylogging, storing, or selling personal data.

WriteHuman is an AI humanizer tool designed to convert text generated by large language models into prose that reads as if a human wrote it. It addresses the common issue of AI-generated content being detectable due to predictable patterns, by restructuring sentences, varying cadence, and refining word choice while preserving the original meaning. This process helps content avoid detection by AI scanners and improves its natural readability. The tool is suitable for a wide range of users including marketers, freelancers, content creators, agencies, and professionals who need to produce high-quality, undetectable content. It supports over 40 languages and can process various content types, from short snippets to long-form articles, emails, and reports. WriteHuman also includes a built-in AI detector and content scanner to evaluate the naturalness and readability of text before publication, ensuring content is publish-ready and optimized for search engines. By focusing on structural rebuilding rather than simple synonym swapping, WriteHuman helps users maintain their unique voice and avoid penalties from search engines that devalue AI-sounding content. It offers a solution for scaling content production while ensuring authenticity and human-like quality.