Grammar Rules

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.

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.

This AI tool is a free online writing assistant with advanced features to enhance writing skills and prevent plagiarism.

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.

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.

GrammarChecker.AI is an online grammar and writing tool that detects grammar, spelling, punctuation, and style issues, offering sentence-level suggestions and AI-based analysis to improve text quality. It also provides formatting helpers, readability scoring, and social-post length recommendations

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.

ProWritingAid is an AI writing assistance tool that offers suggestions for grammar, style, and improvement with the touch of a button.

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.

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.

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

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.

Gramara is an AI grammar checker that flags errors and awkward phrasing in real‑time, offers style and tone suggestions, and translates corrected sentences into multiple languages, helping writers improve clarity and accuracy.

iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens

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.

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.

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.

Gemini is an AI assistant and chatbot provided by google based on Gemini LLM family. It provides access to Google's advanced AI systems with many features and integrations to help you with daily workflows and tasks."

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

PunctuationCheck is an AI tool that instantly corrects punctuation, grammar, and spelling, offering manual or batch edits. It supports regional English variants, basic formatting, PDF export, and processes text locally for privacy.

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.

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.

Resumecheck.net uses GPT‑4 to analyze resumes in PDF, Word, Pages, or RTF up to 20 MB. It corrects over 20 common errors, refines grammar, suggests structural changes, auto‑generates sections, cover letters, and matching emails, and exports polished PDFs.

AI Humanizer refines text by restructuring sentences to improve flow and reduce mechanical patterns while preserving meaning. It offers adjustable rewrite modes, selective paragraph editing, keyword protection, and built‑in AI detection and plagiarism checks.

FCK.School Free Tools offers web based writing utilities — grammar and punctuation checkers, summarizer, paraphrase and rewrite tools — plus academic content generators (outlines, thesis statements, titles, paragraphs, conclusions) to support drafting, editing, and idea development.

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

Paraphrasing tool with 15 modes for 100+ languages - rephrases, rewords, rewrites, checks grammar, eliminates plagiarism

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.

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.

WriteGo AI Research & Writing is an academic‑writing platform that generates structured essays with MLA, APA, and Chicago citations, offers a citation generator, grammar checker, paraphraser, summarizer, multilingual translator, and scholar search to streamline research and drafting.

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.

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.

The MyEssai AI tool offers instant and specific feedback to improve essay quality by analyzing grammar, structure, and content. It's free to use with various pricing plans available for more extensive feedback.

Reword Generator rewrites text using context‑appropriate synonyms while correcting grammar and punctuation. Paste or upload files (.txt, .doc, .pdf) and select tones such as Formal, Informal, Academic, or SEO. Supports up to 200 words per edit for academic or marketing content.

AI writing tools and resources that provide a content generator powered by GPT-3, business idea generator, Facebook Ads Generator, Magic Paragraph Generator, and SEO tool to optimize content for better search engine rankings.

Rewrites text in seven styles—Simple, Creative, Formal, etc.—across 17 languages, preserving meaning while enhancing grammar, punctuation, and readability. Removes duplicate phrases for plagiarism‑free output and works with plagiarism/readability tools for students, writers, and SEOs.

AIText corrects grammar, spelling, and punctuation while paraphrasing to improve clarity. It enhances vocabulary and sentence structure, generating concise emails, articles, reports, essays, and social posts from brief prompts in over 20 languages. Ideal for students, marketers, and professionals.

Wordtune uses AI to rewrite, paraphrase, and correct English text, adjusting tone and length, offering summarization, fact‑checking, and multi‑language translation to aid students, academics, professionals, and creators, improving consistency and accuracy.

AI Sentence Rewriter automatically rewrites text using NLP, offering modes such as Formal, Casual, and Creative to adjust tone. It corrects grammar, punctuation, and spelling, suggests synonyms, and paraphrases to avoid plagiarism, aiding writers, students, and marketers globally.

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

Goblin Tools is a web and mobile suite of AI utilities that streamline task management, text formatting, emotional analysis, teaching resource creation, and recipe generation. It converts ideas into structured plans and offers multilingual translation for diverse users.

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.

KreativeSpace is an AI writing suite that enhances productivity by offering tools for summarization, grammar checking, paraphrasing, citation generation, AI detection, and translation, ensuring clarity and authenticity in writing across various platforms.

Rewording Tool uses AI to rewrite text for clarity and natural flow while preserving meaning. Select from ten styles—formal, casual, academic, etc.—in over 25 languages. Paste or upload, and instantly receive polished sentences for essays, reports, marketing, or business communication.

AI Essay Writer is a web‑based tool that generates academic essays, outlines, and paragraph suggestions based on topic, type, tone, and citations. It includes grammar checks, AI detection, and reference formatting, aiding students and researchers.

AHelp is an AI platform offering essay writing, paraphrasing, grammar and plagiarism checks, and AI source finding in multiple languages. It generates outlines, expands paragraphs, and validates originality, streamlining drafting and quality control.

Sentence Rewriter is a free AI tool that enhances sentence clarity and adjusts tone. Users can input text, select a style, and receive an improved, coherent version in seconds.

Writetone is an AI writing assistant that transforms tone, paraphrases, summarizes, and corrects grammar for academic, business, and creative writing. It includes an AI tutor, citation generator, and supports Chrome, Word, and API integration.

IELTSWriting.ai is an AI essay checker providing instant IELTS-aligned band scores (Task Achievement, Coherence, Lexical Resource, Grammar), line-by-line error highlights, examiner-style feedback, rewrite prompts, personalized study plans, CEFR checks, diagnostics, and task templates.

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.