Grammarly Premium
The best 50 Grammarly Premium AI tools - Free & Paid
Explore 50 AI for Grammarly Premium
This AI tool is a free online writing assistant with advanced features to enhance writing skills and prevent plagiarism.
Freemium
Grammarly Business is an AI writing assistant that checks grammar, punctuation, and style in real‑time across emails, documents, and social media. It analyzes tone, scans for plagiarism, offers SSO and 2FA, and integrates with Gmail, Office, Slack, Salesforce, and more.
Paid
- $2/mo
Linguix is a writing tool that offers free grammar check, analyzes team performance over-time, can be accessed through various platforms, and has a clean and modern UI.
Freemium
- $99
editGPT is a Chrome extension that turns ChatGPT into a writing assistant. It provides real‑time grammar, style, and rewriting support in 80+ languages, preserves formatting, tracks changes, and manages revisions.
Free
- $10/mo
Scribbr offers academic writing support with professional editing, plagiarism detection, citation generation across styles, AI‑powered proofreading, paraphrasing, summarizing, sentence rewriting, and a Chrome extension for in‑browser citations, helping students and researchers produce polished manus
Freemium
CorrectEnglish is an AI writing assistant delivering spelling, grammar, and style corrections on Android, iOS, and browsers. It offers contextual word suggestions, error detection, a plagiarism checker, formatting guides, readability scores, and integrates with extensions and research tools.
Freemium
- $24/mo
LanguageTool is an AI grammar, spelling, and style checker supporting 30+ languages. It offers real‑time browser extensions, desktop and Word add‑ins, advanced Picky Mode, paraphrasing, and an API for developer integration.
Free
Web‑based grammar checker supporting 27 languages—including Tagalog and English variants—highlights spelling, grammar, punctuation errors and offers corrections. It accepts rich text up to 15,000 characters, detects GPT‑style typos, and includes an AI content detector, usable from any browser.
Free
QuillBot is a writing and editing tool offering features such as paraphrasing, grammar and plagiarism checks, citation generation, and content creation assistance, all accessible through a Chrome extension or online platform.
Freemium
- $33/mo
Wordvice AI provides real‑time grammar checking, paraphrasing, translation, summarization, plagiarism and AI‑content detection, plus citation generation across multiple languages. It integrates with Chrome and Word, supporting students, researchers, professionals, teams, and offers on‑demand human e
Freemium
- $8.45/mo
ProWritingAid is an AI writing assistance tool that offers suggestions for grammar, style, and improvement with the touch of a button.
Freemium
ParagraphAI offers real‑time grammar correction, one‑tap email drafting, and instant summarization of web pages and PDFs. It provides multilingual translation, customizable tone filters, a template library, and an instruction engine for repetitive tasks across mobile, desktop, and Chrome.
Free
Check Typo is an AI‑powered spell‑checker extension that integrates into web forms, Gmail, LinkedIn, and social media drafts, supporting 100+ languages and preserving tone while providing real‑time corrections for students, professionals, and writers.
Free
WProofreader offers AI‑driven, multilingual spelling, grammar, and style checking for 20+ languages. It provides SDKs, an API, browser extensions, and CMS modules, with TLS encryption, GDPR compliance, on‑prem or AWS hosting, and customizable industry rules.
Freemium
TextGears is a grammar and spell checker with an API for automated proofreading, readability scoring, and text analysis. It supports multiple languages and offers both cloud-based and self-hosted deployment for integration into various business workflows.
Subscription
Kerlig is a macOS‑native AI assistant that edits, proofreads, summarizes, and generates content across apps via a hotkey. It supports 350+ cloud and local models, custom presets, and works with PDFs, Word, and web pages.
Paid
- $27
Smart Online Notepad is a flexible writing tool that offers AI grammar correction, tone adjustment, real-time word counting, and easy note sharing. It supports multiple languages and has a user-friendly design with dark and light modes.
Free trial
Grammar Checker is a free AI tool that corrects grammar, spelling, and punctuation errors. It also provides suggestions to improve your writing style and polish your text.
Free
AIGrammarChecker is a free AI-powered tool that instantly corrects grammar, spelling, and punctuation errors. It analyzes text structure and context to improve writing clarity and supports multiple languages via text input or file uploads.
Free
Scribbly is a Chrome extension that adds AI‑powered drafting and reply suggestions to Gmail and Outlook, automatically matching tone and simplifying communication for sales, support, HR, and project managers, cutting drafting time.
Subscription
AI Perfect Assistant adds ChatGPT, Gemini, Claude, and 60+ LLMs to Office 365 apps, delivering real‑time grammar, style checks, drafting, summarization, translation, and formula generation to streamline writing, analysis, and teamwork across Word, Excel, PowerPoint, Outlook, Teams, and OneNote.
Freemium
Glarity is a browser extension that employs ChatGPT to summarize and translate web pages, PDFs, and YouTube videos. It offers real‑time translations, timestamped video highlights, side‑by‑side language support, and AI‑powered content extraction.
Free
InstaText is an AI editing assistant that highlights suggestions for clarity, flow, word choice, and grammar. Users can accept or reject each change, select dialect, formality, or add custom terms. It works on Chrome, Gmail, Slack, Docs, Overleaf, and Word.
Paid
- $9.99/mo
Trinka AI is a privacy‑first grammar and language enhancement platform for academic and technical writing. It corrects grammar, punctuation, style, provides plagiarism checks, citation formatting, and multilingual support, integrating into Word, Chrome, and other editors.
Paid
- $20/mo
RewriteBar is a macOS menu bar AI assistant that enhances writing by correcting grammar, changing styles, and translating text across applications. It supports 30 languages, streamlining the writing process for diverse users with a user-friendly interface.
Free trial
Automagical Apps automates routine Google Workspace tasks with add‑ons that handle Gmail follow‑ups, document‑to‑form conversion, multi‑language translation of Slides and Drive files, and OCR extraction, helping educators, marketers, sales, and operations teams streamline communication and documenta
Free trial
Thesify is an academic assistant that offers feedback on theses, dissertations, and grant proposals, evaluating strength, evidence, clarity, and rubric alignment. It provides instant citation support from 200 million references and delivers article summaries, semantic literature search, and paper di
Freemium
Letterly instantly transcribes spoken audio into polished text, supports 90+ languages, and offers 25+ rewrite styles for emails, blogs, tweets, or bullet points. It works offline, integrates via Zapier/webhooks, and tags content for quick retrieval.
Freemium
YouTube sumamry chrome extension is a YouTube video summary tool developed by Glasp Inc., currently in beta testing and requires installation on Chrome or Safari browsers along with sign-up.
Revise is an AI editor for proofreading, grammar and style refinement that preserves author voice, offers customizable style rules and edit intensity, model choices, tracked accept/reject edits, in-document chat, speech-to-text, and team versioning.
Free
- $8/mo
Originality.ai evaluates text for AI generation, plagiarism, factual accuracy, readability, grammar, and SEO. The Chrome extension and web app enable on‑page checks, bulk scanning, PDF uploads, and API integration for writers and editors.
Free trial
- $12.95/mo
ZeroGPT is a comprehensive AI tool suite offering advanced features for content detection, text refinement, and translation, including AI detection, plagiarism checking, humanization, and summarization.
Freemium
- $7.99/mo
Word Spinner is an AI‑powered writing assistant that improves tone, flow, and readability for blog posts, emails, ads, and web copy. It offers grammar checks, tone analysis, and a Chrome extension supporting 100+ languages.
Subscription
- $29/mo
Sapling offers a language‑model API that delivers real‑time grammar corrections in enterprise workspaces and messaging platforms. Developers embed it into editors, CRMs, and customer‑service tools with a simple SDK/API, while the platform supports private cloud, encryption, PII redaction, SSO, and s
Freemium
- $25/mo
Outwrite is an AI assistant that instantly corrects spelling, grammar, and punctuation across Chrome, Edge, Google Docs, and Word. It provides real‑time readability scores, offers style and paraphrasing suggestions, and converts passive to active voice in English, French, and Spanish.
Free
- $6.95/mo
ChatGPT2Help is a Chrome extension embedding ChatGPT for instant AI assistance: rapid content drafting, copy editing, multi‑language translation, page summarization, and specialized tasks like real‑estate listings, legal risk flagging, customer‑service FAQ responses, personalized education plans, an
Subscription
Phrasly is an AI tool that generates undetectable text, bypasses AI detectors, provides grammar checking, supports multilingual content generation, and features a co-writing assistant for assignments, content creation, and skill enhancement.
Free trial
Hyperwrite is an AI-powered writing tool available as a free Chrome extension that generates original paragraphs and helps overcome writer's block, increasing productivity for professionals, students, and creators worldwide.
Free
Hemingway Editor analyzes text for readability, highlighting long or dense sentences, adverbs, and passive voice, suggests simpler wording, and—via Editor Plus—adds AI-assisted fixes, advanced grammar checks and tone controls for faster revision.
Free trial
EssayGrad is an AI-powered tool that grades essays and provides specific feedback based on rubrics, identifies areas for improvement, summarizes the essay, detects AI-written essays, and reports grammar, spelling, and punctuation errors.
Freemium
GradeWrite lets educators bulk‑upload up to 3,000‑word submissions, auto‑flagging word‑count, rubric, AI‑content, and plagiarism issues. It offers detailed grammar feedback, custom rubrics, side‑by‑side review, auto‑summaries, and privacy‑aligned data handling to streamline assessment workflows.
Freemium
- $24.99/mo
TextAdviser delivers AI‑powered language tools: grammar checking, plagiarism detection, syntactic analysis, fast text generation, rewriting, tone humanization, summarization, and name/title creation. It supports English, Spanish, Portuguese, Italian, French, and German for writers, students, markete
Free
Talers is a collaborative writing app that supports multiple file types and organized projects. It provides real‑time spelling, grammar, and style checks, an embedded thesaurus, translation into 29 languages, rephrasing, device sync, distraction‑free mode, and offline operation with private cloud st
Freemium
- $12/mo
MyPerfectWords connects students and researchers with qualified writers holding advanced degrees across 140+ disciplines. A three‑step review ensures proper structure, citations, and formatting. Each submission includes Turnitin and AI originality checks. 3‑hour urgent turnaround and 24/7 chat suppo
Paid
Lex.Page is an AI-powered writing assistance tool that offers a Google Docs-style editor, advanced writing suggestions, and a distraction-free environment to help users write faster and more accurately.
Unknown
PolitePost.net is a Microsoft Word add‑in that rewrites draft emails to improve tone, remove jargon, and fix grammar while preserving intent. It delivers polished versions in seconds, supports multiple style guidelines, and maintains data privacy.
Freemium
PerfectEssayWriter.ai creates structured, plagiarism‑free essays for high‑school to professional users. Set word count, essay type, academic level, tone, and citation style. Supports 27+ languages, real‑time research prompts, auto‑citation, live editing, and undetectable output.
Subscription
DraftCheck automates document proofreading and revision, offering grammar and spelling corrections, style and clarity suggestions, and rewrite options. In-document add-ons, collaborative change tracking, comment threads, permissions, and revision history streamline team editing and publishing.
BulkCorrector segments large documents into ChatGPT‑sized chunks to auto‑correct grammar, spelling, and punctuation in one workflow. It also supports bulk translation, custom prompts, a prompt library, and a ten‑session history log via a copy‑paste web interface.
Subscription
- $29