Best Grammar Checker
The 10 best grammar checker tools in 2026, ranked by accuracy, integrations, and value.
Top 10 Picks
Premium
Best overall with AI rewriting, plagiarism detection, and integrations everywhere.
- Works in every app
- AI sentence rewriting
- Plagiarism scanner
- Expensive yearly
- Aggressive upsells
Premium
Best value with style reports, consistency checks, and lifetime pricing.
- Lifetime pricing option
- 20+ style reports
- Scrivener integration
- Interface cluttered
- Browser extension slower
Premium
Open-source multilingual checker with self-hosting option and no word limit.
- Multilingual support
- Open-source self-hosting
- No word limits on premium
- Fewer style suggestions
- No plagiarism check
Editor
One-time price for readability scoring and bold, clear writing style.
- One-time $20 price
- Readability grade scoring
- Highlights complex sentences
- No grammar fixes
- Desktop only, no browser
Business
Best for teams with style guide enforcement and brand voice consistency.
- Team style guide enforcement
- Brand voice consistency
- API for integration
- Expensive for individuals
- Setup is complex
Premium
AI sentence rephraser with translation and a built-in reader.
- AI sentence rephraser
- Translation built in
- Text-to-speech reader
- Interface dated
- Less accurate than Grammarly
Premium
Style and eloquence scorer with multilingual paraphrasing.
- Eloquence scoring
- Multilingual paraphrasing
- Plagiarism checker
- Smaller user base
- Fewer integrations
Premium
All-in-one grammar, style, and translator for a lower yearly price.
- Lower yearly price
- Built-in translator
- Browser and desktop apps
- Interface dated
- Less accurate than rivals
Business
Best for customer support teams with response suggestions and snippets.
- Response suggestions for support
- Snippets library
- Affordable per seat
- Narrow use case
- Not for creative writing
Premier
Translation-first tool with grammar checking for non-native English writers.
- Translation focused
- Good for non-native writers
- Affordable
- Grammar is secondary
- Limited style suggestions
Comparison Table
| # | Name | Brand | Resolution | Panel | Refresh | Ports | Rating | Price |
|---|---|---|---|---|---|---|---|---|
| 1 | Premium | Grammarly | — | — | — | — | 4.7/5
★★★★★ | $144 |
| 2 | Premium | ProWritingAid | — | — | — | — | 4.6/5
★★★★★ | $79 |
| 3 | Premium | LanguageTool | — | — | — | — | 4.5/5
★★★★★ | $59 |
| 4 | Editor | Hemingway | — | — | — | — | 4.4/5
★★★★☆ | $20 |
| 5 | Business | Writer | — | — | — | — | 4.3/5
★★★★☆ | $200 |
| 6 | Premium | Ginger | — | — | — | — | 4.2/5
★★★★☆ | $90 |
| 7 | Premium | Outwrite | — | — | — | — | 4.1/5
★★★★☆ | $95 |
| 8 | Premium | WhiteSmoke | — | — | — | — | 4/5
★★★★☆ | $80 |
| 9 | Business | Sapling | — | — | — | — | 4/5
★★★★☆ | $25 |
| 10 | Premier | Reverso | — | — | — | — | 3.9/5
★★★★☆ | $30 |
Pros & Cons Summary
Premium
Premium
Premium
Editor
Business
Premium
Premium
Premium
Business
Premier
FAQ
What is the best grammar checker?
Grammarly Premium at $144/year is the best overall with AI rewriting, plagiarism detection, and integrations in every app. For value, ProWritingAid at $79 offers lifetime pricing and 20+ style reports.
Is Grammarly worth the price?
Yes for professionals and students. Grammarly catches more than free tools and works in Word, Google Docs, and browsers. If price is an issue, Hemingway at a one-time $20 is a great budget alternative.
Free or paid grammar checker?
Free tools like Grammarly Free and LanguageTool Free catch basic errors. Paid versions add style suggestions, plagiarism detection, and AI rewriting. For published work, paid is worth it.
Best grammar checker for teams?
Writer.com at $200/year is best for teams with style guide enforcement and brand voice consistency. Sapling at $25 is best for customer support teams with response suggestions.
Do grammar checkers work offline?
Most are cloud-based. Hemingway Editor is the best offline option with a one-time desktop price. LanguageTool offers self-hosting for privacy-focused users who want offline grammar checking.
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