Fix grammar, spelling, and style with AI proofreading, ranked and compared on features, pricing and our Editor Score.
Quick answer
The best grammar & proofreading tool is Grammarly — AI writing assistant for grammar, clarity, and tone across every app. For a free option, try Grammarly. We compare all 12 below.
Fix grammar, spelling, and style with AI proofreading. The 12 tools on this list are the ones we recommend most for 2026 — based on real output quality and fair pricing, with Grammarly out front. 11 of them have a free tier to start on, then scale to a paid plan when you need more, and each links to a full review with features, pricing and alternatives.
| # | Tool | Pricing | Best for | Free | Links |
|---|---|---|---|---|---|
| 1 | Freemium | grammar, spelling, and clarity checks across browser, desktop, and mobile | View | ||
| 2 | Freemium | select-and-shortcut rewriting | View | ||
| 3 | Freemium | browser extension working across websites | View | ||
| 4 | Freemium | colour-coded highlighting across five problem types | View | ||
| 5 | Freemium | chapter Critique with scores, strengths and weaknesses | View | ||
| 6 | Paid | AI content detection using a patented modified BERT model | View | ||
| 7 | Freemium | plagiarism detection against online sources | View | ||
| 8 | Freemium | AI writing assistant and grammar checker | View | ||
| 9 | Freemium | chatGPT-powered proofreading and editing | View | ||
| 10 | Freemium | real-time grammar and spelling checking | View | ||
| 11 | Freemium | grammar, spelling, and punctuation checking in 30-plus languages | View | ||
| 12 | Freemium | academic and technical grammar correction | View |
Best for power users
Originality.aiAI detection, plagiarism and fact checking built for publishers rather than for classrooms
How the top grammar & proofreading tools compare on pricing.
11 of 12 tools offer a free or freemium plan.
Every tool here is a real, working grammar & proofreading product. We rank on features & output quality and pricing and value (including free tiers). The list is reviewed regularly so it stays current — read our methodology for the full process.
The factor that decides everything else — can it produce grammar & proofreading results you'd actually ship? It's why Grammarly leads this list; judge each tool on output you can use without heavy rework.
11 of these 12 tools have a free or freemium plan. Check the free tier's real limits and whether paid pricing scales fairly with your usage — watch for hidden caps on output or features.
A clean interface and good onboarding mean you get value on day one, not after a week of learning the tool.
Does it connect to the tools you already use — your editor, browser, Slack, Google Workspace or API?
Fast, consistent results matter for daily work. Look at uptime and how the tool handles peak-time load.
Active development, solid docs and responsive support signal a tool that will keep getting better over time.
AI writing assistant for grammar, clarity, and tone across every app
A Chrome shortcut that turns your second-language English into clear, natural writing
Grammar checking and shortcuts wherever you type, in seven languages
Colours your prose by what is wrong with it and leaves the fixing to you
The only one of these that reads your whole manuscript, not just your sentences
AI detection, plagiarism and fact checking built for publishers rather than for classrooms
Free plagiarism and AI content detection toolkit
AI-native writing environment for all text types
Proofread and track changes to content with ChatGPT
AI writing assistant for business and customer-facing teams
Multilingual grammar, spelling, and style checker
AI grammar checker built for academic writing
When free is enough
11 of these 12 grammar & proofreading tools offer a free or freemium plan (Grammarly is the one we'd start with). Free tiers suit light or occasional use, testing a workflow, or personal projects — though they usually cap usage, features or output quality.
When to go paid
For heavy or professional grammar & proofreading work, a paid plan like Originality.ai's buys higher limits, team collaboration, priority support and advanced features. If a tool is core to your daily work, the subscription usually pays for itself in time saved.
This corner of AI rarely sits still — tools ship new features almost monthly and pricing moves as competition heats up. Across the 12 grammar & proofreading tools here, 11 of the 12 offer a free or freemium plan, with Grammarly currently out front. We re-review the list regularly, so you're comparing what these tools do today — if one changes its pricing or features, its linked review reflects the latest we've verified.
Our highest-ranked grammar & proofreading ai tools are Grammarly, BeLikeNative, Linguix. We score all 12 on features, pricing, and overall product quality — see the full comparison above.
Grammarly is a strong free pick (freemium — free tier plus paid upgrades). 11 of the 12 tools on this list offer a free or freemium plan — look for the green badge.
We rank by features, pricing, and overall product quality. Most tools have few or no public reviews, so the Editor Score does the heavy lifting; the list is re-reviewed regularly — see our methodology for the full criteria.
This page compares 12 grammar & proofreading ai tools, and 11 of them have a free tier. Browse the full directory for more options.
Grammarly is our current top pick, but the right choice depends on your needs and budget. Compare it against the other 11 options above before deciding.
Grammarly is the easiest place to start: it has a free plan, so you can learn grammar & proofreading basics on a real grammar & proofreading tool without paying. Once you outgrow it, the paid tools above add more power.
Start with one of the 11 free options above to confirm a grammar & proofreading tool fits your workflow — for most people the right one earns back its cost in hours saved, but only once it clearly slots into how you already work.
We re-review these grammar & proofreading ai tools regularly — re-checking pricing, features and the Editor Score, and adding new tools as they launch. This page was last updated in October 2026.
AI Guides & Tutorials Lead
Ethan writes hands-on, step-by-step guides that turn complex AI workflows into something anyone can follow. He focuses on practical setups, prompts, and getting real results from everyday tools.
Senior AI Tools Reviewer
Daniel reviews AI tools the slow way — by actually using them on real projects. His reviews cover what works, what breaks, and who each tool is genuinely a good fit for.
Keep exploring
Last updated October 2026. Rankings are based on features, pricing and our Editor Score (blended with verified user reviews where a tool has them) — see our methodology.