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 |
|---|---|---|---|---|---|
| LanguageTool | No | Free, Premium from SGD 4.99/mo | 7.6M/mo | Multilingual grammar, punctuation, and style checking, AI-driven sentence paraphrasing for adjusting tone and length | Visit |
| Quillbot Paraphraser | Yes | Free, Premium from $8.33/mo | 45M/mo | AI Paraphrasing tool with multiple writing modes, Advanced Grammar Checker, Spell Checker, and Essay Checker | Visit |
| Grammarly | Yes | Free, Pro from $12/member/mo | 54M/mo | Real-time spelling, punctuation, and grammar checker, Tone detector and full-sentence rewrite suggestions | Visit |
| ProWritingAid | Yes | 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 |
| OpenL | No | Free, Starter from $7.9/mo | 1.4M/mo | AI-powered translations supporting over 100 languages, Multi-format translation capabilities for texts, documents, images, and speech | Visit |
| Hemingway Editor | No | Free, Plus includes a 2-week free trial | 614K/mo | Color-coded highlights for lengthy, dense, and complex sentences, Readability score and grade-level tracking | Visit |
| Fluently AI | No | Free assessment, premium plans vary | 534K/mo | Personalized improvement plans based on AI analysis of user mistakes, Real-time AI feedback on grammar, pronunciation, and vocabulary during live online calls | Visit |
| Linguix | No | Free, Monthly from $15.00/mo | 278K/mo | Multilingual grammar and spell check supporting six languages including English, Spanish, German, French, Portuguese, Italian, and Polish, AI-powered Text Rewriter and paraphraser to instantly expand, shorten, or rewrite whole sentences | Visit |
| Trinka AI - Grammar Checker Tool | No | Free, Premium from $6.67/mo | 277K/mo | Advanced grammar and technical spell check tailored for academic writing, Sentence paraphrasing and word count reduction | Visit |
| 1MillionResume | No | Free plan available, Pro plans require a subscription | 313K/mo | AI-powered resume editor to generate summaries, objectives, and bullet point suggestions, 11+ professional, single-column ATS-friendly templates with customizable colors, sizes, and fonts | Visit |
| Pronounce | No | Free, Premium from $19.99/mo | 177K/mo | AI Speech Checker for real-time feedback on grammar, pronunciation, and fluency, Interactive AI Chat speaking partners with distinct American, British, Australian, and Indian accents | Visit |
| TextGears | No | Free, Silver from $23.96/mo | 78K/mo | Multi-language grammar and spelling correction (English, Arabic, Japanese, Chinese, etc.), Deep readability analysis based on industry standards | Visit |
| textadviser.com | No | Free, Pro Packs from $12.75 | 66K/mo | Autocorrect AI for robust grammar, spelling, and text correction, Punctuation check service to accurately adjust commas and periods | Visit |
| Corrector App | Yes | Free | 36K/mo | Multi-language spell checking and grammar correction for over 27 languages, Localized dialect support including US, UK, Indian, and Philippine English | Visit |
| Kreativespace | Yes | Free | 24K/mo | Paraphrasing and humanizing tool to rewrite text and preserve original meaning, AI detector and ai checker essay capability to identify mixed content | Visit |
| Revise | No | Free, Pro from $8/mo | 22K/mo | Full control over every change with line-by-line acceptance/rejection, Personalized writing profiles that learn your voice, tone, and quirks | Visit |
| Flot.ai | Yes | Free, PRO+ from $15/mo | 14K/mo | Cross-application integration working across local desktop apps, docs, emails, and browsers, AI Memory Hub allowing users to save notes, screenshots, documents, and links with one click | Visit |
| PaperTyper.net | Yes | Free | 13K/mo | AI Essay Generator for instant draft creation, Plagiarism Checker for text uniqueness verification | Visit |
| ZeroGPT | No | Free, Pro from $7.99/mo | 26M/mo | AI text detection with sentence-level highlighting and percentage indicators, DeepAnalyse™ multi-stage methodology to evaluate content origin | Visit |
| Scribbr | No | Free basic tools, premium services vary by document length and deadline | 7.3M/mo | Professional Human Proofreading & Editing (results in as little as 3 hours), Plagiarism Checker utilizing advanced university-level software | Visit |
Showing 1-20 of 74 AI Grammar Checker Tools matchesBrowse more tools in this category.