1. Grammarly
Grammar, spelling and tone suggestions everywhere you write.
Why it replaces Grammar Checker: No AI Rewrites: Covers similar ground in the Writing category: Grammar, spelling and tone suggestions everywhere you write.
Best Grammar Checker: No AI Rewrites Alternatives in 2026
Grammar Checker: No AI Rewrites is a strong option, but it is not the right fit for everyone. Below are 10 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
About Grammar Checker: No AI Rewrites
Catch spelling, grammar, and punctuation errors in one click - without AI rewriting your sentences.
Free
Full reviewComparison at a glance
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| Grammar Checker: No AI Rewrites (original) | — | — | Free | Catch spelling, grammar, and punctuation errors in one click - without AI rewriting your sentences. |
| Grammarly | 4.5 | 37M+ | Freemium | Professionals and students who write daily in the browser and want a safety net before hitting send. |
| LanguageTool | 4.7 | 2M+ | Freemium | Multilingual writers and privacy-conscious teams who want a self-hostable alternative to Grammarly. |
| Justdone: GPT-4o AI Writing Assistant & Grammar Checker | — | — | Free | Elevate your writing with Justdone — your all-in-one tool for grammar checking, paraphrasing, AI writing, and more. |
| Ddict: AI Translation & Writing Assistant | — | — | Free | Translate text and enhance writing with AI for seamless language learning and communication in your browser. |
| Grammar Checker and AI tool - Correcto | — | — | Free | Improve your writing with the AI-powered online grammar and spelling checker in Spanish and our paraphrasing tool. |
| Fix Grammar and Spelling | — | — | Free | Instantly fix grammar and improve your writing in any text field. Check typos, preview changes, and apply corrections with one click |
| Zoho BluePencil: Free Grammar & Spell Checker | — | — | Free | Your secure writing assistant that gives you spelling, grammar, and style suggestions as you type. |
| Outwrite — Grammar checker & rewrite tool | — | — | Free | Write perfect content with Outwrite. Check spelling & grammar, improve writing style, find synonyms and paraphrase sentences. |
| FluentTyper: Autocomplete and Spell Checker | 4.5 | 10K+ | Free | Type less, do more. Get smart autocomplete, spell check, and text expansion to boost your productivity on any website. |
| Google Dictionary (by Google) | 4.4 | 3M+ | Free | View definitions easily as you browse the web. |
Grammar Checker: No AI Rewrites alternatives in detail
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2. LanguageTool
Open-source grammar checker supporting 30+ languages.
Why it replaces Grammar Checker: No AI Rewrites: Covers similar ground in the Writing category: Open-source grammar checker supporting 30+ languages.
3. Justdone: GPT-4o AI Writing Assistant & Grammar Checker
Elevate your writing with Justdone — your all-in-one tool for grammar checking, paraphrasing, AI writing, and more.
Why it replaces Grammar Checker: No AI Rewrites: Covers similar ground in the Writing category: Elevate your writing with Justdone — your all-in-one tool for grammar checking, paraphrasing, AI writing, and more.
4. Ddict: AI Translation & Writing Assistant
Translate text and enhance writing with AI for seamless language learning and communication in your browser.
Why it replaces Grammar Checker: No AI Rewrites: Covers similar ground in the Writing category: Translate text and enhance writing with AI for seamless language learning and communication in your browser.
5. Grammar Checker and AI tool - Correcto
Improve your writing with the AI-powered online grammar and spelling checker in Spanish and our paraphrasing tool.
Why it replaces Grammar Checker: No AI Rewrites: Covers similar ground in the Writing category: Improve your writing with the AI-powered online grammar and spelling checker in Spanish and our paraphrasing tool.
6. Fix Grammar and Spelling
Instantly fix grammar and improve your writing in any text field. Check typos, preview changes, and apply corrections with one click
Why it replaces Grammar Checker: No AI Rewrites: Covers similar ground in the Writing category: Instantly fix grammar and improve your writing in any text field. Check typos, preview changes, and apply corrections with one click
7. Zoho BluePencil: Free Grammar & Spell Checker
Your secure writing assistant that gives you spelling, grammar, and style suggestions as you type.
Why it replaces Grammar Checker: No AI Rewrites: Covers similar ground in the Writing category: Your secure writing assistant that gives you spelling, grammar, and style suggestions as you type.
8. Outwrite — Grammar checker & rewrite tool
Write perfect content with Outwrite. Check spelling & grammar, improve writing style, find synonyms and paraphrase sentences.
Why it replaces Grammar Checker: No AI Rewrites: Covers similar ground in the Writing category: Write perfect content with Outwrite. Check spelling & grammar, improve writing style, find synonyms and paraphrase sentences.
9. FluentTyper: Autocomplete and Spell Checker
Type less, do more. Get smart autocomplete, spell check, and text expansion to boost your productivity on any website.
Why it replaces Grammar Checker: No AI Rewrites: Covers similar ground in the Writing category: Type less, do more. Get smart autocomplete, spell check, and text expansion to boost your productivity on any website.
10. Google Dictionary (by Google)
View definitions easily as you browse the web.
Why it replaces Grammar Checker: No AI Rewrites: Another popular Writing extension: View definitions easily as you browse the web.
Compare Grammar Checker: No AI Rewrites head-to-head
Direct comparisons with the extensions people weigh against it.
Grammarly vs LanguageToolThe market leader against the open-source challenger with self-hosting and stronger multilingual support.Grammarly vs WordtuneCorrectness-first editing versus rewriting and tone control for the same sentence.LanguageTool vs WordtuneBoth are writing extensions people shortlist together — see how ratings, install base, pricing and day-to-day use differ.All comparisonsThe full compare hub, grouped by category.
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Frequently asked questions
What is the best alternative to Grammar Checker: No AI Rewrites?
Grammarly is the closest match. Covers similar ground in the Writing category: Grammar, spelling and tone suggestions everywhere you write.
Is there a free alternative to Grammar Checker: No AI Rewrites?
Yes — Justdone: GPT-4o AI Writing Assistant & Grammar Checker, Ddict: AI Translation & Writing Assistant, Grammar Checker and AI tool - Correcto are free.