# Linguix > AI writing assistant and grammar checker that works in the browser across websites, with team style guides. Linguix is an AI writing assistant that checks grammar, spelling and style and rewrites sentences while you type. Linguix is used mostly through a browser extension that works on sites like Gmail and Google Docs, supports seven languages, and adds typing shortcuts, a content quality score and team style guides. **Best for:** Individuals and business teams who write a lot in the browser and want corrections, rewrites and shared style rules in one extension. - Official site: https://linguix.com - Listed in: [AI Writing Assistant](https://trendhub.net/ai-tools/category/ai-writing-assistant) - Last checked: 2026-10-09 (facts taken from linguix.com) - Source page: https://trendhub.net/ai-tools/linguix-ai-grammar-checker-writing-assistant ## Key facts - Platforms: Web, Browser extension, API - Pricing model: Freemium - Free plan: Yes - API: Yes - Made by: Textly Inc. ## What is Linguix? Linguix is an AI writing assistant from Textly Inc. that checks grammar, spelling, punctuation and style as you type. It runs mainly as a browser extension, so suggestions appear inside sites such as Gmail, Google Docs and Canva, and there is also a web editor. Checking covers English, German, French, Spanish, Italian, Portuguese and Polish, with the language detected automatically. Beyond corrections, Linguix can rewrite whole sentences, shorten or lengthen a message, and expand saved text snippets from short commands. A content quality score rates a text on factors like sentence length, vocabulary difficulty and passive voice. For companies, Linguix Business adds style guides, role management and per-member writing statistics. A grammar check API and SDK are available for developers, and a free plan sits alongside the paid Pro subscription. ## Key features - **Grammar and Spell Check**: Flags grammar, spelling and punctuation mistakes and detects which supported language you are writing in. - **Sentence Rewriter**: Rephrases full sentences and can make a message shorter or longer. - **Content Quality Score**: Scores a text using sentence length, vocabulary complexity and passive voice, among other factors. - **Typing Shortcuts**: Expands a saved template when you type a short command such as //intro. - **Style Guides**: Lets a company set rules so names, job titles and wording stay consistent in staff writing. - **Team Reporting**: Shows error counts, readability scores and activity per team member, with email reports. ## Use cases - **Sales Outreach**: Reps polish introduction messages and proposals before sending them. - **Support Replies**: Agents answer frequent requests from saved shortcuts and keep wording consistent. - **Reviewing AI Drafts**: Editors score copy produced by a chatbot against the team's own content. - **Writing in a Second Language**: Staff check emails written in German, Spanish or another supported language. - **Brand Consistency**: A company enforces preferred terms and tone through a shared style guide. ## Things to know - **Refund window applies to new purchases**: A 10-day money-back period covers first purchases only; renewals are non-refundable. - **Subscriptions renew automatically**: Pro renews at the end of each billing period unless cancelled, and access continues until the paid period ends. - **Pro follows the account**: The Pro subscription is tied to a Linguix account, so signing in with it unlocks Pro on other supported products and devices. - **Language count**: The home page speaks of six languages but names seven, including English. ## FAQs ### What is Linguix? Linguix is an AI writing assistant and grammar checker that corrects and rewrites text in the browser and in its own web editor. ### What is Linguix used for? Linguix is used to fix grammar, spelling and style, rephrase sentences and speed up repetitive typing in emails, documents and web forms. ### Is Linguix free? Yes. Linguix has a Free plan with basic grammar and spelling checking, the browser extension, typing shortcuts, a limited amount of paraphrasing and basic AI suggestions. ### How much does Linguix cost? Linguix sells a Pro subscription with monthly or annual billing. Check the official pricing page for the current amount. ### Which languages does Linguix check? Linguix lists English, German, French, Spanish, Italian, Portuguese and Polish, and detects the language automatically. ### Does Linguix have an API? Yes. Linguix offers a Grammar Check API and SDK for adding corrections and paraphrasing to other apps. ### Does Linguix offer refunds? Linguix offers a 10-day money-back window on new purchases, according to its pricing FAQ. Subscription renewals are not refundable. ### Who makes Linguix? Linguix is published by Textly Inc., as shown in the site footer. --- Source: https://trendhub.net/ai-tools/linguix-ai-grammar-checker-writing-assistant (trendhub)