Writing & Editing
Best AI Grammar Checker Tools in 2026: Free & Paid Picks
AI Grammar Checker is for cleaning up text before it is published, submitted, or sent. Use AI Grammar Checker to compare tools that improve correctness while preserving the writer's intended meaning.
74Total AI Grammar Checker Tools3Most Relevant AI Grammar Checker Tools18Free AI Grammar Checker ToolsAI Grammar Checker Tools updated Jun 18, 2026
Top tools
Top 10 AI Grammar Checker Tools
Explore top AI Grammar Checker Tools ranked by category fit, free access, AI-powered features, traffic, and pricing context.
Free plan
Gr
Grammarly
AI writing assistant for error-free, clear, and impactful communication.
Real-time spelling, punctuation, and grammar checkerTone detector and full-sentence rewrite suggestionsPlagiarism checker and auto-citation generatorIntegrated AI detector to analyze writing text+2
Free plan
Qu
Quillbot Paraphraser
AI-powered writing platform featuring paraphrasing, grammar checking, and text optimization tools.
AI Paraphrasing tool with multiple writing modesAdvanced Grammar Checker, Spell Checker, and Essay CheckerPlagiarism Checker supporting over 100 languagesAI Detector to analyze and identify AI-generated content+3
Paid
Ze
ZeroGPT
An online AI detection tool to verify content originality and identify machine-generated text.
AI text detection with sentence-level highlighting and percentage indicatorsDeepAnalyse™ multi-stage methodology to evaluate content originSupport for multiple languagesBatch file uploading and automated dashboard checks+3
Paid
Gp
Gptzero me
Advanced AI detector and checker for identifying machine-generated text.
Multi-model AI detection (ChatGPT, GPT-4, Gemini, Claude, LLaMa)Sentence-level AI highlighting and vocabulary analysisPlagiarism checker and source verificationWriting reports with video replay for authorship verification+2
Free plans
Best Free AI Grammar Checker Tools
Start with free AI grammar checker tools that cover practical website workflows, core features, and AI-powered output quality.
| Tool | Plan status | Pricing | Traffic | Feature preview | Website |
|---|---|---|---|---|---|
| Grammarly | Free option | Free, Pro from $12/member/mo | 54M/mo | Real-time spelling, punctuation, and grammar checker, Tone detector and full-sentence rewrite suggestions | Visit |
| Quillbot Paraphraser | Free option | Free, Premium from $8.33/mo | 45M/mo | AI Paraphrasing tool with multiple writing modes, Advanced Grammar Checker, Spell Checker, and Essay Checker | Visit |
| Sider | Free option | Free, Basic from $8.30/mo | 3.5M/mo | All-in-one AI chatbot integrating GPT-4.1, Claude 3.5, and Gemini 2.5, Group AI Chat to compare answers from multiple bots simultaneously | Visit |
| Decopy AI | Free option | Free | 1.8M/mo | AI Content Detector with 99% accuracy across models like ChatGPT, GPT-4, and Claude, AI Humanizer to transform robotic AI text into smooth, natural human expression | Visit |
| ProWritingAid | Free option | Free, Premium from $10/mo | 1.5M/mo | In-depth grammar, spelling, and punctuation checker, Over 25 specialized writing analysis reports for pacing, structure, and sensory details | Visit |
| Trancy | Free option | Free, Premium from $2.33/mo | 737K/mo | YouTube and Netflix AI bilingual subtitles with dual viewing modes (theater and reading), Immersive webpage AI text selection translation supporting multi-language full-text contrast | Visit |
| Type AI | Free option | Free, Pro from $12/mo | 429K/mo | Powered by leading AI models including OpenAI's GPT-4o and Anthropic's Claude 3.7 Sonnet, Inline AI word generator that creates sentences, lists, and paragraphs directly at your cursor via a '/' command | Visit |
| Yoodli AI Speech Coach | Free option | Free, Pro from $8/mo | 324K/mo | Private, real-time speech coaching and in-the-moment nudges during live calls, Comprehensive analytics on visual, verbal, and vocal delivery (filler words, pacing, and monologues) | Visit |
| Kroolo | Free option | Free Trial available, dynamic tiers on upgrade | 124K/mo | AI WorkOS with 40+ custom AI agents for automated tracking, hiring, and operations, Instant AI project board creation via simple text prompts or voice commands | Visit |
| Think in Italian AI Language Tutor | Free option | Free, Starter from $9.80/mo | 67K/mo | 250 speech-focused audio lessons designed to teach grammar and sentence patterns intuitively, Over 1,200 bilingual readings with audio and dual-language transcripts for contextual learning | Visit |
Traffic
Most visited AI Grammar Checker Tools
Use traffic, free-plan status, and starting price to compare the most visited tools in this category.
| Tool | Traffic | Free plan | Starting price | Website |
|---|---|---|---|---|
| Grammarly | 54M/mo | Yes | Free, Pro from $12/member/mo | Visit |
| Quillbot Paraphraser | 45M/mo | Yes | Free, Premium from $8.33/mo | Visit |
| ZeroGPT | 26M/mo | No | Free, Pro from $7.99/mo | Visit |
| Gptzero me | 17M/mo | No | Free, Essential from $8.33/mo | Visit |
| LanguageTool | 7.6M/mo | No | Free, Premium from SGD 4.99/mo | Visit |
| Scribbr | 7.3M/mo | No | Free basic tools, premium services vary by document length and deadline | Visit |
| Sider | 3.5M/mo | Yes | Free, Basic from $8.30/mo | Visit |
| Originality | 2.4M/mo | No | Pay as you go from $30, Pro from $12.95/mo | Visit |
Browse all tools
Top AI Grammar Checker Tools Comparison
Browse all AI Grammar Checker Tools in this category with search, free-plan filtering, sorting, website signals, pricing, and AI-powered feature context.
| Tool | Free | Pricing | Traffic | Features | Website |
|---|---|---|---|---|---|
| Rephrasely | No | Free, Plus from $4.99/mo | 152K/mo | 20 diverse writing and editing modes including simplify, summarize, and shorten, State-of-the-art AI paragraph generator that translates keywords into structured text | Visit |
| InstaText | No | Free Trial, Premium from 9.99 €/mo | 143K/mo | Advanced sentence and paragraph rewrites based on context, Grammar, punctuation, structure, morphology, and spelling improvements | Visit |
| Hallo - AI Language Learning | No | Starter from $19/test, Custom Pricing for monthly subscription plans | 178K/mo | AI-driven automated evaluations for speaking, writing, listening, and reading skills, Real-time CEFR-aligned score reports with detailed feedback on pronunciation, grammar, and fluency | Visit |
| Mujo AI | No | Free, Basic from $32.50/mo | 79K/mo | Mujo Smart Listing Generator for automated visual and text creation, AI Product Photoshoot and background remover capabilities | Visit |
| EssayGrader | No | Free, Lite from $6.99/mo | 107K/mo | Bulk Essay Upload (Google Classroom & Canvas Integration), Custom & Default Rubric Library | Visit |
| AHelp | No | Free, Essential from $4.17/mo | 72K/mo | AI Essay Writer and text generator with outline support, Plagiarism Checker and AI detection suite supporting multiple languages | Visit |
| Good AI | No | Free, Premium from $5/month | 91K/mo | AI Essay Writer with reference generation, AI Essay Outliner for structural planning | Visit |
| Quizbot.ai | No | Standard Plan from $9.5/mo, Pro Plan from $19.0/mo | 91K/mo | Multi-source parsing supporting PDFs, Word files, YouTube video links, images, and audio tracks, Diverse question template styles including multiple choice, fill-in-the-blanks, true/false, matching, and calculations | Visit |
| Yomu AI | No | Starts at $9, Pro from $19/mo | 87K/mo | Intelligent Document Assistant for feedback and writing entire sections, AI Autocomplete for completing sentences and paragraphs | Visit |
| Kroolo | Yes | Free Trial available, dynamic tiers on upgrade | 124K/mo | AI WorkOS with 40+ custom AI agents for automated tracking, hiring, and operations, Instant AI project board creation via simple text prompts or voice commands | Visit |
| Smart Assistant | No | Starts at $3.95/mo | 53K/mo | Email and Link Tracking with real-time notifications and open details, Smart Send Later for scheduled delivery and send-time optimization | Visit |
| MagickPen | No | Free, Basic from $6.9/mo | 53K/mo | Powered by dual AI engines: high-speed GPT-3.5 and precise, creative GPT-4/GPT-4.1, 90+ advanced templates covering writing, education, lifestyle, and creativity | Visit |
| Right Blogger | No | Free, Pro from $24.99/mo | 69K/mo | Over 80+ AI-powered blogging and content creation tools, Advanced AI Article Writer that generates full drafts over 2,000 words | Visit |
| Plagiarismsearch.com | No | Free, Plans from $9.95 | 66K/mo | Comprehensive plagiarism checking against billions of digital and print sources, AI-generated content identification with detailed reporting | Visit |
| Clarice.ai | No | Criativo from R$ 22,45/mo (billed annually) | 42K/mo | AI-powered spelling, grammar, and punctuation correction tailored for Portuguese, Over 120 advanced style-checking rules to improve text strength, clarity, and conciseness | Visit |
| Ddict | Yes | Free, Premium from $0.99/mo | 34K/mo | Instant inline text translation and word lookup via click or keypress, Advanced AI translation with contextual, slang, and idiomatic understanding | Visit |
| Typeface | No | Contact for Pricing | 90K/mo | Blend: Learns brand tone, personas, and products for consistent messaging, Flow: Offers out-of-the-box templates and customizable content workflows | Visit |
| Think in Italian AI Language Tutor | Yes | Free, Starter from $9.80/mo | 67K/mo | 250 speech-focused audio lessons designed to teach grammar and sentence patterns intuitively, Over 1,200 bilingual readings with audio and dual-language transcripts for contextual learning | Visit |
| Jobbie.io | Yes | Free | 35K/mo | AI-powered ATS score checker with 20+ checkpoints, Free manual resume review by industry experts via LinkedIn | Visit |
| GenZWrite | No | Free tier available, premium plans offer up to 50% off on annual subscriptions | 32K/mo | Academic Mode for converting formal research into natural student voice, Social Mode for generating viral caption variants with trending slang and emojis | Visit |
Showing 41-60 of 74 AI Grammar Checker Tools matchesBrowse more tools in this category.