Best Grammar Checkers for Gmail

Find and compare the best Grammar Checkers for Gmail in 2026

Use the comparison tool below to compare the top Grammar Checkers for Gmail on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    Grammarly Reviews
    Top Pick

    Grammarly

    Superhuman

    $12 per month
    38 Ratings
    Create confident, precise, and error-free content using Grammarly's AI-driven writing tool. The latest update from Grammarly categorizes your writing suggestions by theme, allowing you to understand how each adjustment enhances your audience's comprehension of your communication. While composing on platforms like Gmail, Twitter, LinkedIn, and many others, you can receive instant corrections from Grammarly. This tool covers everything from grammar and spelling to style and tone, ensuring you eliminate mistakes and choose the most fitting words to convey your thoughts. Begin your journey for free and explore the capabilities that Grammarly can unlock for you. For organizations, Grammarly Business empowers every team member to produce polished, error-free writing that reflects positively on the business. Each email, webpage, and social media update leaves a lasting impression on customers, and with Grammarly, you can trust that it's an impressive one. Strong writing encompasses more than mere grammar; Grammarly Business delves deeper by providing real-time insights aimed at enhancing overall readability. This level of support allows teams to communicate more effectively and engage their audience more meaningfully.
  • 2
    Trinka AI Reviews
    Top Pick

    Trinka AI

    Trinka AI

    $6.67/user/month
    10 Ratings
    Top Main Features of Trinka AI: Advanced Grammar Check Unique Paraphrase Plagiarism Check Consistency Check Inclusive Language Checks Legal Writing Publication Readiness Checks Citation Check Proofread Word & LaTeX Files and many more features..
  • 3
    Wordtune Reviews
    Top Pick

    Wordtune

    AI21Labs

    $10 per user per month
    7 Ratings
    Although everyone talks about generative AI and how it will change writing, most AI tools are prompt-based and take away the writer's control. Wordtune is the only AI assistant that maximizes your professional writing abilities. The writing process in Wordtune is iterative. As you write, you add more with Wordtune, edit, and so on until you reach the final piece.
  • 4
    InstaText Reviews

    InstaText

    InstaText

    $11.99 per user per month
    2 Ratings
    Enhance your efficiency with an AI-driven writing assistant and editing tool designed to refine your texts, making them clearer and more accessible. InstaText elevates your writing by enhancing style and vocabulary, fixing grammatical mistakes, and adding depth to your content. It provides insightful suggestions aimed at improving comprehension and demonstrates how the revised version differs from the original. This tool goes beyond basic grammar, spelling, and punctuation checks, offering a wealth of innovative ideas. When necessary, sentences are entirely restructured, with enhancements informed by the overall context of the subject matter. InstaText not only corrects errors but also consistently presents tangible suggestions, guiding you in refining your text with superior style and word selection, thus ensuring your message resonates effectively with your audience.
  • 5
    Outwrite Reviews

    Outwrite

    Outwrite

    $9.95 per month
    1 Rating
    Enhance your writing clarity and brevity using Outwrite's comprehensive stylistic and structural recommendations. Discover improved methods to rephrase and reorganize your sentences based on your desired word count. Instantly fix any spelling, grammar, and punctuation mistakes while enriching your vocabulary with more powerful synonyms. Monitor readability and grade level metrics in real-time to ensure your writing meets the intended audience's needs. Elevate the overall quality and flow of your text, allowing for the rewriting of sentences to adjust their length or style. Transform phrases from passive to active voice as needed, and choose to either condense or elaborate on your sentences for better expression. Explore alternative ways to word, rephrase, or restructure your writing to align with your specific objectives, ensuring that weak words and phrases are replaced by stronger options. With our stylistic guidance, you can confidently write with clarity and precision, while also identifying phrases that lend themselves to active voice transformation. Additionally, the platform provides ongoing support to refine your writing skills further.
  • 6
    HyperWrite Reviews
    HyperWrite offers an array of suggestions and sentence completions designed to enhance your writing experience, no matter where you choose to write. You can explore our free demo versions of AutoWrite, AutoImage, and TypeAhead right here! Start using HyperWrite without any cost today to elevate your writing skills! The platform seamlessly integrates with your preferred websites and applications, ensuring you receive helpful suggestions wherever you are drafting content. HyperWrite is your essential AI-powered writing assistant that enables you to create and refine anything in mere seconds. Whether you're crafting a blog entry, composing an email, preparing a report, or telling a story, HyperWrite simplifies the process by helping you generate, enhance, and personalize your text effortlessly. Unlike a traditional spell checker or grammar tool, HyperWrite acts as a dynamic and clever writing companion that can produce original and captivating content tailored to your specifications. Simply inform HyperWrite about your writing needs, and it will present you with five potential options to consider, making it useful for all types of written work, from marketing copy to creative fiction. With HyperWrite by your side, the possibilities for your writing are limitless, ensuring your ideas come to life with clarity and creativity.
  • 7
    WProofreader Reviews
    WProofreader SDK is a set of predefined components for rich text editors such as CKEditor, Froala, TinyMCE, Quill.je, etc. With WProofreader SDK, developers can enrich the proofreading functionality of their web apps or systems. Core features: security, multilingual support, advanced grammar and spell check, customization and accessibility, HTTP API. WProofreader HTTP API is a set of commands to the proofreading engine enabling developers to customize the product behavior and capabilities. WProofreader is also available as a browser extension for Chrome, Firefox, and Microsoft Edge. Designed for individuals and businesses.
  • 8
    Sapling AI Writing Assistant Reviews

    Sapling AI Writing Assistant

    Sapling Intelligence

    $25 per month
    AI assistant for customer-facing departments. Sapling works with messaging platforms and CRMs to assist agents in creating personalized responses. Managers can gain conversational insights that will help them coach and prepare their teams. Sapling offers functionality for autocomplete, spelling, grammar checking, as well as snippets/canned message/text expander. All services can be hosted on-premise or in the cloud to meet security and privacy requirements. The Grammar and Spelling APIs allow Sapling's language models to be integrated into custom applications and use-cases. Sapling Suggest pulls relevant answers from a team knowledge database and allows agents to respond faster to customer inquiries by clicking on the desired response. Instead of giving brittle, decision tree-based chatbots, empower agents.
  • 9
    Scribens Reviews

    Scribens

    Scribens

    €9.90 per month
    Scribens is a powerful tool that analyzes your written content for grammatical errors and spelling issues. It is designed to be used without altering the original formatting, making it easy to implement corrections across various platforms like Gmail, Hotmail, Yahoo, Facebook, Twitter, LinkedIn, blogs, and forums. By integrating seamlessly with applications such as Microsoft Word, Outlook, PowerPoint, Excel, OpenOffice, or LibreOffice, Scribens enhances your writing experience. The software identifies and corrects over 250 types of common grammatical and spelling errors, including those related to verbs, nouns, pronouns, prepositions, homonyms, punctuation, and typography. Additionally, its online correction feature provides explanations to help users enhance their English writing capabilities. Scribens utilizes an advanced syntactical recognition algorithm that ensures even the most subtle mistakes are caught and addressed. With this sophisticated correction software, Scribens empowers you to elevate the overall quality of your writing significantly. Furthermore, it also identifies stylistic issues such as repetition, run-on sentences, and redundancies to refine your text even further. By using Scribens, you can take a step towards becoming a more proficient writer.
  • 10
    Voila Reviews

    Voila

    Voilà

    $8 per month
    A simple keyboard shortcut can help you improve your writing, answer all your questions, and create high-quality content. AI-powered browser assistant that will help you increase your online productivity. Voila can answer any question and provide any explanation. You will feel the magic of instant answers to any question. It's never been easier to write emails. Our seamless integration with Gmail allows you to quickly create new emails and respond to messages. This saves you time so that you can concentrate on what is important. Voila is tuned to help you create high-quality content. This includes blog posts, essays, professional documents, and domain-specific documents in product design, UX, marketing and engineering, sales, SEO, and advertising. Write with confidence. Voila can help you improve your writing, correct spelling or grammar errors, summarize and translate text, and extract key information from any type of document.
  • 11
    BrowserGPT Reviews
    Install BrowserGPT for immediate AI support in your content creation needs, including paraphrasing, grammar checking, and drafting emails or replies, accessible whenever and wherever you require assistance. With BrowserGPT, your essential AI tools are always at your fingertips, ready to motivate and aid you across any website and within the applications you already utilize. Simply type // to effortlessly create and revise text, draft emails and replies, craft social media posts and comments, and engage in various other writing tasks. Use // to swiftly generate customized social media posts that align with your message, produce relevant comments in a snap to enhance engagement, and receive hashtag recommendations to boost your online visibility and traffic, among other features. Additionally, by typing //, you can transform your Google Docs experience, allowing you to write in Docs with the same ease and efficiency as you would with Notion AI, making your writing process smoother and more productive.
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