Ginger Software
FreemiumProvides AI-powered grammar, spelling, and translation features.
Strengths: AI-powered grammar and spelling check, sentence rephrasing capability, multilingual translation support, user-friendly interface
03 · BEST FREE
Best Free Grammar Correction AI Tools
7 free tools, ranked by tier.
Summary
Of the Grammar Correction tools rated on AI Tier List, 7 can be used for free — ranked here by our tier ratings. 0 are fully free and 7 offer a free plan (freemium). The top-rated free pick is DeepL Write (Tier A). Excellent contextual understanding, natural sentence rephrasing, precise tone and style control, enterprise-grade security and reliability, user-friendly interface
DeepL Write is also the top-rated Grammar Correction tool overall, paid tools included — right now, free is not a compromise in this category.
At a glance
| # | Tool | Tier | Pricing | Strengths |
|---|---|---|---|---|
| 1 | DeepL Write | A | Freemium | Excellent contextual understanding, natural sentence rephrasing, precise tone and style control, enterprise-grade security and reliability, user-friendly interface |
| 2 | LanguageTool | B | Freemium | Open-source, multilingual support, comprehensive error detection, various platform integrations, cost-effective pricing |
| 3 | Reverso | B | Freemium | Multilingual support, context-based translation, precise grammar and spell checking, language learning resources, user-friendly interface |
| 4 | Ginger Software | C | Freemium | AI-powered grammar and spelling check, sentence rephrasing capability, multilingual translation support, user-friendly interface |
| 5 | Linguix | C | Freemium | Accurate grammar and spelling correction, User-friendly interface, Competitive pricing, Team productivity analytics and snippets |
| 6 | Sapling AI | C | Freemium | Accurate grammar and spelling correction, quick response suggestions for customer-facing teams, AI text detection capabilities, optimized for business environments |
| 7 | Microsoft Editor | D | Freemium | Deep integration with Microsoft 365, Real-time grammar and spelling check, Multi-language support, User-friendly interface |
Top three
A
DeepL Write
DeepL Write is an AI writing assistant that enhances clarity, style, and tone in text.
B
LanguageTool
An open-source AI proofreading tool for multilingual grammar, spelling, and style correction.
B
Reverso
Reverso is an AI-powered grammar and spell checker that assists with multilingual text correction.
Full ranking · 7 tools
Linguix
FreemiumAI-powered writing assistant for grammar, spelling, and style improvements.
Strengths: Accurate grammar and spelling correction, User-friendly interface, Competitive pricing, Team productivity analytics and snippets
Sapling AI
FreemiumSapling AI is an AI writing assistant offering grammar correction and quick response suggestions for customer-facing teams.
Strengths: Accurate grammar and spelling correction, quick response suggestions for customer-facing teams, AI text detection capabilities, optimized for business environments
Microsoft Editor
FreemiumAI-powered writing assistant integrated into Microsoft 365.
Strengths: Deep integration with Microsoft 365, Real-time grammar and spelling check, Multi-language support, User-friendly interface
Go deeper on Grammar Correction
New free Grammar Correction tools, as they land
This list changes as tiers move. We email you when it does — once a week, no spam.
FAQ
What is the best free Grammar Correction AI tool?
Our top-rated free pick is DeepL Write (Tier A). DeepL Write is an AI writing assistant that enhances clarity, style, and tone in text.
Are any Grammar Correction tools completely free?
None are completely free, but every tool listed can be started on a free plan.
Is a free Grammar Correction tool good enough, or is paying worth it?
DeepL Write is also the top-rated Grammar Correction tool overall, paid tools included — right now, free is not a compromise in this category.
What is the difference between fully free and freemium?
Fully free means every feature works without paying. Freemium means a free plan with usage or feature limits and paid tiers above it. This list has 0 fully free and 7 freemium tools, labelled on every card.
Is DeepL Write still the best free Grammar Correction tool right now?
Yes. As of 2026-08-02, DeepL Write holds the top spot on this list at Tier A. Tiers are re-evaluated weekly and this page updates when they move.