FutureTools

Grammar Checker

60+ Rules · Spelling · Punctuation · Style · Free

Check grammar, spelling, and punctuation errors instantly. Get smart suggestions to fix mistakes and improve your writing.

Grammar Spelling Punctuation Style Score Export
0 words · 0 sentences

Enter text above and click Check Grammar

We'll scan for grammar, spelling, and punctuation errors

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Tool Information
Price100% Free
RegistrationNot Required
PrivacyClient-Side Only
Rules60+ Rules
Shortcuts
Toggle shortcutsCtrl + K
Close modalsEsc
Quick Actions
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Guide

How to Use

Follow these simple steps to check your grammar.

1
Enter Text

Paste or type your text into the editor.

2
Check

Click check to scan for grammar and spelling errors.

3
Review

See highlighted errors with severity and suggestions.

4
Fix

Apply suggestions and improve your writing.

Benefits

Why Use This Checker?

The most comprehensive grammar checker online.

60+ Rules

Grammar, spelling, punctuation, and style checks.

Instant Detection

Real-time error detection as you type.

Severity Levels

High, medium, and low severity classifications.

Smart Suggestions

Get specific fixes for each grammar issue.

Grammar Score

Get an overall score from 0-100 for your text.

Export Reports

Copy or download detailed grammar check reports.

3,000,000+

Texts Checked Daily

60+ Rules100% FreePrivate
FAQ

Frequently Asked Questions

What types of errors does this checker detect?

This tool detects grammar errors (their/there confusion, subject-verb agreement), spelling mistakes (commonly misspelled words), punctuation issues (missing apostrophes, double periods), capitalization errors, and style suggestions.

How accurate is the grammar checker?

The checker uses 60+ rule-based patterns to detect common errors. It's very accurate for common mistakes but may not catch every complex grammatical issue. For professional proofreading, combine with human review.

What is the grammar score?

The score is calculated from 0-100 based on error severity. High severity errors deduct 10 points, medium deduct 5, and low deduct 2. A score of 80+ is considered good.

Is my text stored on any server?

No. All grammar checking happens entirely in your browser using JavaScript rules. Your text is never sent to any server or stored anywhere. Your data remains completely private.

Can I use this for academic writing?

Yes! This checker is great for academic writing. It catches common mistakes like their/there confusion, missing apostrophes, and spelling errors. However, for formal academic papers, also consider using specialized academic tools.

What are the severity levels?

High severity indicates clear grammar errors (wrong word usage). Medium severity covers spelling mistakes and punctuation issues. Low severity includes style suggestions and minor improvements.