Best Proofreading Software in the USA

Compose bold, clear, mistake-free writing with Grammarly’s AI-powered writing assistant. Grammarly now organizes your writing feedback by theme, so you can see how each change will help your readers better understand your message. Get corrections from Grammarly while you write on Gmail, Twitter, LinkedIn, and all your other favorite sites. From grammar and spelling to style and tone, Grammarly helps you eliminate errors and find the perfect words to express yourself. Get started for free and find out what you can accomplish with the power of Grammarly at your fingertips. With Grammarly Business, every member of your team can compose credible, mistake-free writing that makes your business look good. Every email, web page, and social media post makes an impression on your customers. With Grammarly, you can be confident it's the right impression. High-quality writing is more than just mechanics. Grammarly Business goes deeper with real-time suggestions for improving readability.

Trinka AI is a privacy-focused grammar checker and writing assistant designed for academic and technical writing. Created by language and science experts, it detects and corrects various intricate writing errors such as contextual spelling mistakes and advanced grammar issues. Additionally, Trinka suggests improved vocabulary choices and offers real-time writing tips to help professionals and academics write clearly, formally, and engagingly. By adapting to different subjects, Trinka ensures that its corrections align with the specific nuances of each topic, maintaining high professional standards in writing.

Microsoft Word is the world’s leading word processing software, designed to help you write, read, and create with confidence. Powered by Copilot, Word uses AI to help you generate ideas, refine drafts, and edit your writing with clarity and precision. Whether you’re working on essays, reports, proposals, or creative writing, Word delivers professional results across devices—desktop, web, and mobile. With Editor and built-in collaboration tools, teams can co-author documents in real time while maintaining consistency and accuracy. Integrated with Microsoft 365, Word also connects seamlessly with apps like Excel, PowerPoint, and OneDrive for a complete productivity experience. Trusted by millions, Word empowers individuals and businesses to create polished, impactful content anytime, anywhere.

Companies using ProWritingAid produce higher quality content, comms, reports, bids and other documents with fewer mistakes, faster. ProWritingAid eliminates common error types, inconsistent terminology, contextual spelling errors, grammar mistakes, and poor writing style. A wide range of integration options, including API and on-premise solutions, supports all sizes of organization, including those with high-level security and privacy requirements.

To find grammar, spelling, punctuation, plagiarism, and syntax mistakes in your work, Grammica utilizes a highly sophisticated machine-learning algorithm. Your work is extensively examined in real-time by our English grammar checker. Our clever writing helper tool puts your content through a sophisticated algorithm that analyses the context of your writing to identify grammar mistakes. It shows a brief overview and the sort of fault it has found.

WProofreader Software Development Kit (SDK) by WebSpellChecker is a combo of ready-made integrations for WYSIWYG editors and standalone API, helping development teams enrich web apps and custom systems with grammar and spelling check functionality and standalone HTTP API. WProofreader integrates with WYSIWYG editors and HTML controls. Cloud and On-premise deployment. Ideal for security-conscious teams and companies. Key features: high security, multilingual spelling and grammar-check, language autodetect, spelling autocorrect, autocomplete suggestions, integration with business infrastructure or app, company-wide and user dictionaries, customization options, accessibility. Available as a browser extension for Chrome, Firefox, and Microsoft Editor. WProofreader extension works with various online software: project management apps publishing platforms social platforms email service document management content management CRM systems service desk systems

WRITER is an end-to-end platform for building, activating, and supervising AI agents across the enterprise. It empowers IT and business teams to collaboratively build agents that automate work, improve decision making, and drive business outcomes. With WRITER, teams get a home for their AI-powered work, while builders get intuitive development tools, seamless integrations, and full oversight via approval workflows, logs, and role‑based controls. Powered by WRITER’s Palmyra LLMs and Knowledge Graph, the platform powers accurate, reliable AI agents that meet strict security and compliance standards, including SOC 2 Type II, GDPR, HIPAA, PCI, and the ISO trust triad. With WRITER’s team of AI experts, we turn AI pilots into company‑wide wins for global leaders like Vanguard, Salesforce, Prudential, Qualcomm, and more.

Take your typing to the next level using Lightkey’s AI-powered text predictions in applications you use every day. Lightkey’s AI-Powered word prediction software learns your typing patterns and gradually predicts up to 12 words including punctuation marks, allowing you to compose emails 4 times faster, with confidence. Lightkey’s AI-Powered spelling correction technology offers real-time suggestions for misspelled words. In addition to its built-in vocabularies, Lightkey will learn and offer spelling corrections based on your unique vocabulary. Lightkey includes over 60 content domains including technology, business, finance, law, academia, and more. Using its deep learning context analysis capabilities, Lightkey will offer you the most relevant terms. Lightkey natively supports MS Office Outlook, Word & PowerPoint and Google Chrome apps Gmail, WhatsAppWeb, LinkedIn Messenger, etc. Lightkey Anywhere and benefit from predictive text.

AI writing assistant for customer-facing teams. Sapling sits on top of CRMs and messaging platforms to help agents more efficiently compose personalized responses. Managers gain conversational insights to coach and prepare teams. Sapling provides functionality for autocomplete, spelling and grammar checking as well as snippets/canned messages/text expander. All services can be self-hosted, provided on-premise or cloud-premise to meet enterprise security and privacy requirements. Spelling and Grammar checking APIs allow users to integrate Sapling's language models into custom applications and use cases. Sapling Suggest retrieves relevant responses from a team knowledge bank and allows agents to respond more quickly to customer inquiries by simply clicking on the desired response. Empower agents instead of providing brittle, decision tree-based chatbots.

StyleWriter will make you a better writer – we guarantee it. A bold claim we know, but that’s what our users tell us. Thousands of people download StyleWriter every month and use it to edit advertising copy, business reports, contracts, manuals, newsletters or web pages. Even professional journalists and novelists use the program to polish their writing style. StyleWriter is the best editing and proofreading software on the market. Designed by professional proofreaders, editors and experts in plain English, StyleWriter brings together the techniques used by the best writers to help you write in a clear, concise and readable style. All other proofreading and editing software aids are usually just overpriced spelling and grammar checkers and offer little more than what you already have in Microsoft Word. StyleWriter’s different. It shows you how to work like a professional editor. StyleWriter will show you how to simplify, cut and rewrite.

The SCHEMA Group was established in Nuremberg in 1995 and is a medium-sized software manufacturer with more than 130 employees. The SCHEMA Group produces component content management and content delivery solutions for authoring departments creating product-related content. The SCHEMA ST4 component content management system is one of the most frequently used systems for the modularised creation of documentation, package inserts and marketing documentation. The system covers all areas of creation, versioning, variant control, translation, management and publication of product-related content – from authoring assistance during input to the finished layout for the printed catalog. A documentation portal based on Quanos InfoCube provides a central point of contact on the Internet where all technical documentation is available. Users can quickly and precisely find the right content in the entire information inventory with an easy-to-use search system.

TextGears provides AI-empowered text spelling and grammar checking, paraphrasing and translation services. Available online. For companies, we provide an API and on-premise for integrating text analysis functions into any product. Supported languages: English, French, German, Portuguese, Russian, Italian, Arabic, Spanish, Japanese, Chinese and Greek.

AI-powered MS Word add-ins that helps you proofread and format legal documents up to 75% faster. Mike DocuSieve is an AI-powered MS Word add-in built by the collaboration of lawyers and engineers. It proofreads contracts & agreements as you draft and reduces the time spent on proofreading by more than 70%. Each line is scanned individually and any spacing not in sync with the input setting is detected as an error. Set personalized heading styles in settings and fix all the headings in one click without spending time correcting each one. Set and correct paragraph styles with fonts and font size using settings. It also detects any inconsistencies and reports them as errors. Get the freedom to format a schedule that is different from the main agreement. Make your draft stand out from standard legal documents. Get the flexibility to create your own unique type of numbering format.

Typely is more than just a proofreading tool. It's a complete writing environment. More than a thousand checks are being performed and we've only scratched the surface. Gain access to humanity’s collective understanding about the craft of writing. Typely is precise. Existing tools for proofreading raise so many false alarms that their advice cannot be trusted. Instead, the writer must carefully consider whether to accept or reject each change. We aim for a tool so precise that it becomes possible to unquestioningly adopt its recommendations and still come out ahead — with stronger, tighter prose. Better to be quiet and authoritative than loud and unreliable. Writing presumes more than simply laying out words on a paper. Typely helps you get in the mood and keeps you focused, immersed and ready to write your story. Whether you need a distraction-free environment, some chill relaxing sounds or a pomodoro timer to manage your time we got you covered.

WhiteSmoke Writing Solution. We produce an all-in-one English writing tool that provides grammar, spelling, punctuation and style checks. Our software is activated in a single click from any text application and browser, pointing out potential errors for consideration and offering suggestions for improvement. We believe that users that have little or no experience with WhiteSmoke software can use our solution to quickly begin writing, editing, translating and enhancing their English documents. WhiteSmoke renders you with the highest quality proofreading abilities available, correcting not only simple spelling mistakes like old-fashioned word processors but everything from grammar, word choices and even style mistakes, all without breaking a sweat. Grammar plays an important role in what kind of impression you give.