"Before submitting my essays, I always run them through LexiCheck. It catches the small spelling and grammar errors I miss, and the explanations actually teach me why something is wrong."
Nhat Minh
Student
?lx_input_1_2=english-us&lx_input_1_3=english-us&lx_input_1_4=match-original
LexiCheck Free English Grammar Checker AI-Powered
AI-Powered | Explains In Your Native Language
High Accuracy with Trained AI
Improve English Grammar & Vocabulary
Practice & Chat with AI
Trusted by Global Tutors & Teachers
Upgrade to Pro
Get the Pro – Unlimited plan to unlock all apps and premium features.
LexiBot is not responding
This is usually caused by outdated browser cache or cookies. Please try the steps below first.
First, open LexiBot in an Incognito window and use it there to see if everything works normally.
Windows Chrome: Ctrl + Shift + N
macOS Chrome: Cmd + Shift + N
If LexiBot works normally in Incognito mode, continue to Step 2.
Mode:
Highlight Mode
Input Language
AI Language
Context Setting
Null
Null
Upload Image
Click the box or drag your images here to upload.
Supported file types: JPEG, JPG, PNG, WebP. Maximum size: 2 MB.
If your file type isn't listed, please convert your image using CloudConvert Image Converter .
—
— LC
/
— LC
Detailed Assessment: If you select the "Detailed
Assessment" option, the results will appear here.
Note: Scores are for reference only.
Tip (Desktop only): Highlight any word, sentence, or paragraph in your essay to activate the AI Writing Assistant and get instant suggestions.
Below is a preview of what’s included in the DOCX files.
AI Voice Customization
(Beta) Personalize the AI voice to better match your teaching style.
Your settings are only saved in this browser. Please download a backup
to prevent data loss.
Download now.
DOCX File Settings
Customize your .DOCX files
Target Band Level
Pick your band to get feedback that's right for you.
Upload Image
Click the box or drag your images here to upload.
Supported file types: JPEG, JPG, PNG, WebP. Maximum size: 2 MB.
If your file type isn't listed, please convert your image using CloudConvert Image Converter .
What users say about LexiCheck
Feedback from students, teachers, and writers using LexiCheck to fix spelling, check grammar, and review their work before submitting.
"As a self-learner, I needed a grammar tool that explains errors without overwhelming me. LexiCheck flags punctuation mistakes, grammar issues, and suggests clearer rewrites in a straightforward way."
Quynh My
ESL Student
"I use LexiCheck for emails, lecture notes, and professional documents before sharing them. It catches awkward phrasing and punctuation I overlook, and the style suggestions are genuinely helpful."
Minh Tam
Language Lecturer
"I've tried several spell checkers for my students, but LexiCheck explains errors in context more clearly. Students don't just see what's wrong — they understand why it needs fixing."
Ananya Iyer
IELTS Instructor
"My students use LexiCheck to self-review before class. They appreciate that the suggestions preserve their original meaning while making sentences clearer and more natural."
Sarah Jenkins
English Teacher
"I tested LexiCheck with a group writing in both English and Vietnamese. It handled both languages cleanly, and the error highlights, grammar fixes, and suggestions were easy to follow."
Cong Vinh
Language Lecturer
LexiCheck - Free English Grammar Checker
LexiCheck is an AI-based English spelling and grammar checker built for learning, teaching, and daily writing. Paste your text, click check, and get grammar fixes, spelling corrections, and writing suggestions in seconds.
4.5 / 5 - clear, actionable feedback from LexiCheck
350,000+ students, teachers, and writers across the LEXI ecosystem worldwide
Trusted by 350,000+ global users
Foreign Trade University
National Economics University
NUST Pakistan
IIT Delhi
English error highlighting
Spelling and grammar mistakes are marked in red, while suggested fixes appear in green for easy side-by-side comparison.
Clear explanations from AI
LexiCheck explains English grammar mistakes in simple language so learners can understand the rule, not just accept the correction.
DOCX export for review
Download corrected English text with underlined errors and AI comments intact for teachers, tutors, or self-review.
Catch English errors quickly and clearly
LexiCheck helps you spot English grammar, spelling, punctuation, and phrasing issues with fast AI-powered feedback inside one editor.
-
Spelling check: Catch typos, missing articles, punctuation mistakes, and common English writing slips in seconds.
-
Grammar review: Check tense, subject-verb agreement, sentence structure, and word choice for more natural English writing.
-
Clear fixes: See the error in red and the recommended correction in green so every change is easy to review.
Ask AI about any English grammar question
Use the built-in AI chat to ask follow-up questions about grammar rules, vocabulary choices, sentence flow, or exam-style writing issues.
-
Grammar support: Ask why a tense, article, preposition, or sentence pattern is incorrect.
-
Learn in your language: Get explanations in English or your native language, depending on what helps you learn faster.
-
Writing practice: Use AI chat to improve sentence clarity, expand ideas, and prepare for English exams or assignments.
Export English corrections to DOCX
Save your corrected English writing as a DOCX file with underlined grammar errors and AI comments that teachers can review in Word or Word Online.
-
Keep AI comments: Export with all comments and suggestions included so you can review every change with ease.
-
Easy to share: Send the file to a teacher, colleague, or client with a single download.
-
Underlined errors: Grammar errors in the DOCX are underlined clearly so teachers, students, or colleagues can follow along easily.
Supports 100+ languages
LexiCheck supports spelling and grammar checking for the most common languages used in learning, teaching, work, and content editing.
English (US)
English (UK)
Vietnamese
Spanish
French
Chinese
German
Korean
Japanese
Italian
Portuguese
Kazakh
Indonesian
Thai
Russian
Arabic
Uzbek
Bengali
Hindi
100+ other languages
Improve English writing with practical feedback
Check English now
Fix errors in seconds
Paste text, click check, and see clear spelling and grammar suggestions almost instantly.
Check nowContextual explanations
A custom-trained AI model explains why a sentence needs fixing — in the language you are using.
Check nowGrammar fixes fast
See rewrite suggestions, improve clarity, and make your sentences smoother.
Check nowUnlimited Pro plan
Increase your limits, unlock the full tool suite, and access advanced AI writing features.
View pricingCheck English in a few simple steps
Paste your English writing, choose how you want explanations delivered, and let AI help you fix errors and improve fluency.
Process
1
Enter the text to check: Type or paste your English sentence, paragraph, or essay into the editor to begin.
2
Select AI language: Choose the language AI should use to explain mistakes and chat with you.
3
Review highlighted issues: Click "Check Grammar" and wait a few seconds for errors to be highlighted in the editor.
4
Download the results: Export the corrected text as a DOCX file if you want to review, edit, or share the feedback later.
Built for English learners, teachers, and writers
LexiCheck supports common English writing workflows, from self-study and homework review to lesson feedback and professional editing.
For learners
Practice English writing anytime, catch common grammar errors, and learn from short AI explanations.
For teachers
Speed up English writing feedback with highlighted issues, AI comments, and a DOCX file ready for review.
For writers
Polish emails, essays, and reports by improving grammar, spelling, tone, and sentence flow.
Frequently asked questions about English grammar checking
Common questions about using LexiCheck for English spelling, grammar, and writing practice.
Yes. LexiCheck is useful for practice related to IELTS, TOEFL, Cambridge English, and other writing-heavy English exams because it highlights grammar, spelling, and clarity issues quickly.
Start checking English now
Use LexiCheck for free to fix English spelling and grammar mistakes. Upgrade to Pro when you need more usage and advanced AI support.