# Grammarly: what it does, who it is for and alternatives > Grammarly: Checks grammar, tone and clarity everywhere you write, and drafts or rewrites text with AI. Works in email, docs and the browser. Source: https://learn.ynteractive.com/content/ai-tools/tool/grammarly · Updated 2026-10-20 · Free from Stepthrough (https://learn.ynteractive.com) Updated October 20, 2026 · By [Robert Breen](https://learn.ynteractive.com/content/about) Checks grammar, tone and clarity everywhere you write, and drafts or rewrites text with AI. Works in email, docs and the browser. [Writing & content](https://learn.ynteractive.com/content/ai-tools/writing-content) · Free plan Official site: [grammarly.com](https://www.grammarly.com) ## What Grammarly does Grammarly runs as a browser extension, a desktop app for Windows and Mac, and add-ins for Microsoft Office and Google Docs, so suggestions show up as you type. Business teams can upload a company style guide and set brand tones so everyone's writing stays consistent. Extra agents flag AI-written text and show how different readers might react to a draft. ## Who Grammarly is for - Sales reps - Marketing coordinators - Customer support agents - HR managers ## Key features - Paragraph rewrites and tone suggestions for different audiences - AI Detector and Humanizer agents - Company style guide, brand tones and snippets for teams - Plagiarism checker, translator and citation generator - Works in Gmail, Outlook, Slack, Salesforce, Word and Google Docs ## Privacy and data Grammarly says it holds SOC 2 Type 2 and ISO 27001, 27017, 27018, 27701 and 42001, encrypts data in transit and at rest, and does not sell or monetize customer content. Source: [Grammarly’s own page](https://www.grammarly.com/security). Before you put client data in, check your company’s AI rules and the plan’s data settings. ## Learn Grammarly free on Stepthrough - Guide: [Jasper alternatives](https://learn.ynteractive.com/content/ai-tools/alternatives/jasper) ## Alternatives to Grammarly Other AI writing tools in the directory. For a fuller comparison, see [Grammarly alternatives](https://learn.ynteractive.com/content/ai-tools/alternatives/grammarly). - [**ProWritingAid**](https://learn.ynteractive.com/content/ai-tools/tool/prowritingaid) Free plan *Best for:* Readability, repetition and pacing reports for long documents. A grammar checker and style editor with in-depth reports on readability, repetition and pacing. - [**LanguageTool**](https://learn.ynteractive.com/content/ai-tools/tool/languagetool) Free plan *Best for:* Grammar and style checks in more than 30 languages. A multilingual grammar and style checker that works in more than 30 languages. Browser and Office add-ins. - [**Wordtune**](https://learn.ynteractive.com/content/ai-tools/tool/wordtune) Free plan *Best for:* Rewrites that make sentences shorter, clearer or more formal. Suggests rewrites to make sentences shorter, clearer or more formal. Good for polishing emails and reports. - [**QuillBot**](https://learn.ynteractive.com/content/ai-tools/writing-content#tool-quillbot) Free plan *Best for:* Paraphrasing, summaries and grammar checks. Paraphrases, summarizes and checks grammar so your writing reads clearly. Popular for rewording and tightening drafts. - [**DeepL**](https://learn.ynteractive.com/content/ai-tools/tool/deepl) Free plan *Best for:* Document translation plus DeepL Write for polishing wording. AI translation for text and whole files that keeps a document's original formatting, images and fonts, plus DeepL Write to polish your wording. Glossaries keep key terms consistent. - [**Writer**](https://learn.ynteractive.com/content/ai-tools/tool/writer) Free trial *Best for:* Company style guides and brand voice applied to every output. An enterprise AI platform where teams use WRITER Agent, Playbooks and saved brand voices to research and draft on-brand work, and build their own AI agents in AI Studio. [All 32 AI writing tools](https://learn.ynteractive.com/content/ai-tools/writing-content) ## Frequently asked questions **What is Grammarly?** Checks grammar, tone and clarity everywhere you write, and drafts or rewrites text with AI. Works in email, docs and the browser. Grammarly runs as a browser extension, a desktop app for Windows and Mac, and add-ins for Microsoft Office and Google Docs, so suggestions show up as you type. Business teams can upload a company style guide and set brand tones so everyone's writing stays consistent. Extra agents flag AI-written text and show how different readers might react to a draft. **Who is Grammarly for?** Grammarly fits sales reps, marketing coordinators, customer support agents and HR managers, and other office teams with the same job to do. **Is Grammarly free?** Grammarly has a free plan; paid plans add more usage or features. Plans change often, so check the official pricing page before you commit. **What are some alternatives to Grammarly?** Other AI writing tools include ProWritingAid, LanguageTool, Wordtune, QuillBot and DeepL. **Is Grammarly safe for work data?** Grammarly says it holds SOC 2 Type 2 and ISO 27001, 27017, 27018, 27701 and 42001, encrypts data in transit and at rest, and does not sell or monetize customer content. Check your own company’s rules, and use a business plan with training turned off for client data. ## “Listed on Stepthrough” badge Add this badge to the Grammarly website, press page or docs. It links to this page, so your visitors can see the listing. Copy the HTML ```text Listed on Stepthrough ``` Checked against Grammarly’s official site on October 20, 2026: [source 1](https://www.grammarly.com), [source 2](https://www.grammarly.com/security), [source 3](https://www.grammarly.com/business). Spotted something out of date? Email [rbreen@ynteractive.com](mailto:rbreen@ynteractive.com). Listings are free; [submit your AI tool](https://learn.ynteractive.com/content/ai-tools/submit). [The full AI tools directory](https://learn.ynteractive.com/content/ai-tools) · [Writing & content](https://learn.ynteractive.com/content/ai-tools/writing-content) · [Tool comparisons](https://learn.ynteractive.com/content/compare)