Best AI Grammar Checker Tools & Software in 2026 (Free & Paid)

Kerlig™ AI Writing App for Mac is a must-have tool for faster, smarter writing. Save time on emails, Slack replies, and Jira tickets while improving grammar and brainstorming ideas.

18.86%

|

29.2K

|

4.0

TextGears makes writing error-free and easy with grammar checks, readability scores, and multi-language support—perfect for students and businesses alike.

22.46%

|

55.4K

|

5.0

QuillBot is an AI-powered writing assistant that helps you paraphrase, correct grammar, detect AI content, and ensure originality—all in one intuitive platform.

17.95%

|

31.4M

|

5.0

PerfectEssayWriter.ai is a free AI essay writer that generates structured, cited, and properly formatted academic drafts in minutes—ideal for students seeking a trustworthy starting point.

13.55%

|

48.5K

|

4.0

Grammarly is a free AI writing assistant that helps individuals and teams write clearer, more credible, and engaging content across every app and website.

47.36%

|

44.5M

|

5.0

Linguix is a free AI grammar checker and writing assistant that makes your texts grammatically correct, clear, and effective across any website in 7 languages.

7.52%

|

251.4K

|

5.0

Paperpal is a comprehensive AI academic writing tool that helps students and researchers write, edit, and submit high-quality papers with confidence.

24.51%

|

1.2M

|

5.0

Hemingway Editor Plus uses AI to fix grammar, cut clutter, and boost readability so your writing is clear, confident, and easy for anyone to understand.

45.84%

|

643.3K

|

5.0

Wordtune is a free AI writing assistant that helps you paraphrase, rewrite, summarize, and perfect your English with confidence.

25.03%

|

410.3K

|

5.0

Corrector.app is a free, no-signup grammar checker for English, Tagalog, and 25+ languages that fixes spelling, grammar, and punctuation instantly in your browser.

11.72%

|

37.6K

|

4.0

GPTZero is the most reliable AI detection tool for identifying AI-generated text, trusted by educators, writers, and professionals worldwide.

44.10%

|

10.1M

|

5.0

StudyCrumb’s free grammar checker is your go-to tool for error-free writing. It’s fast, accurate, and easy to use—perfect for students, professionals, and writers alike.

13.50%

|

47.5K

|

4.0