10 Best Grammar & Style Tools in 2026

Sapling is a language model toolkit designed for developers and businesses to enhance communication. It integrates with enterprise workspaces and messaging platforms to provide real-time suggestions, improving both speed and quality of written communication. The platform offers an API/SDK for developers to integrate LLM-powered functionality into their applications. Sapling is particularly beneficial for customer experience (CX) teams, enabling faster message composition, improved language quality, and quicker handle times. Features include autocomplete, snippet macros, chat suggestions, and automated quality scoring for messages. It also provides detailed analytics and reporting on individual and team usage, errors, and trends over time, helping managers scale feedback and improve overall team performance. The product emphasizes enterprise-grade security with a private cloud, TLS and AES-256 encryption, PII redaction, and options for self-hosted/on-premises deployment. It supports SSO, SCIM, and MFA for identity management. Sapling boasts best-in-class integrations with popular platforms like ServiceNow, Salesforce, Zendesk, Amazon Connect, and Twilio Flex, and its SDK supports most editors and platforms, allowing for fast installation and easy onboarding.

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.

Grammarly is an AI writing assistant that helps you communicate clearly and effectively. Check grammar, spelling, and punctuation in real-time. Suggestions improve clarity, conciseness, and tone. Works in browsers, desktop apps, and mobile. Premium features include plagiarism detection and vocabulary enhancement. Writing assistance wherever you write.

Wordtune rewrites text with AI assistance. Paraphrase and improve writing—AI editing for clearer communication. The suggestions are useful. The rewriting is instant. The improvement is noticeable. Writers wanting AI editing assistance use Wordtune for instant rewrites.

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.

QuillBot is an AI-powered writing platform designed to help users write effortlessly and efficiently. It offers a comprehensive suite of tools including a Paraphraser, Grammar Checker, AI Detector, Plagiarism Checker, AI Humanizer, AI Chat, AI Image Generator, Translator, and Summarizer. The platform aims to strengthen writing and boost productivity without sacrificing authenticity, making it suitable for professionals, students, content creators, English language learners, and advanced academics. QuillBot helps users craft clear, polished, and professional writing in a fraction of the time. It assists with everything from drafting important emails and essays to creating engaging content and academic papers. Key benefits include improving fluency, correcting grammar, detecting AI-generated content and plagiarism, generating citations, and humanizing AI text to make it sound more natural. The platform emphasizes responsible AI use, ensuring peace of mind for writers across various projects.

Typeshare is an all-in-one writing platform designed to help writers create, publish, and optimize their content. It aims to streamline the writing process by providing tools to draft content, publish it across various platforms, and then analyze its performance to help users improve their writing skills. This platform is ideal for individual writers, content creators, and anyone looking to organize their writing life and efficiently produce content for newsletters, social media, or other online channels. It emphasizes ease of use and offers templates to kickstart the writing process. Key benefits include saving time on drafting, simplifying multi-platform publishing, and offering insights into content performance to foster continuous improvement. It's positioned as a tool that empowers writers to be more productive and effective.

TypingMate is an AI-powered keyboard for iPhone that allows users to create and customize AI tasks directly within any app. It goes beyond standard AI features by enabling personalized AI actions such as translating messages, checking and correcting grammar, rewriting content in various styles, replying in different languages, and shortening or expanding text. These AI tasks can be flexibly customized and process input directly from text being typed or pasted, delivering instant results. In addition to its AI capabilities, TypingMate offers robust template management. Users can create and save reusable content templates, including text messages, saved images, and QR codes. The app supports smart variables like current date and time, ensuring content updates automatically. It's ideal for individuals and professionals involved in frequent messaging, multilingual work, content processing, customer support, marketing, and content creation, aiming to optimize typing speed and content processing through a simple and easy-to-use interface.

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.

Voquill is an AI-powered writing assistant designed to enhance your writing process. It helps users overcome writer's block, improve clarity, and generate content more efficiently. The tool is suitable for a wide range of users, including content creators, marketers, students, and professionals who need to produce high-quality written material regularly. By leveraging artificial intelligence, Voquill offers features like grammar correction, style suggestions, content generation, and summarization. Its core benefit lies in streamlining the writing workflow, allowing users to focus on their ideas while the AI refines the language and structure. This leads to improved productivity and more impactful communication.