Grammar Checker
Paste your text and instantly find grammar, spelling, and style errors. Uses rule-based pattern matching powered by client-side JavaScript -- no API calls, fully private.
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How to Use
- Paste or type your text into the input area above.
- Click the "Check Grammar" button to scan for errors.
- Review the color-coded results: spelling errors in red, grammar issues in orange, and style suggestions in blue.
- Click "Fix All" to automatically apply all suggested corrections, or address issues individually.
- Click "Copy Corrected Text" to copy the fixed text to your clipboard.
Frequently Asked Questions
How does this grammar checker work?
This tool uses rule-based pattern matching to identify common grammar, spelling, and style issues. It checks for misspellings, double words, subject-verb disagreements, missing capitalization, and more using a built-in dictionary and grammar rules.
Does this tool use AI or API calls?
No external API calls are made. All checks run entirely in your browser using client-side JavaScript. Your text is never sent to any server, so your content stays completely private.
What types of errors does it detect?
It detects common misspellings, repeated words, subject-verb agreement issues, missing capitalization after periods, double spaces, commonly confused words (their/there/they're, your/you're, its/it's), and basic style issues like sentence fragments.
Is it as accurate as professional grammar checkers?
This tool catches many common errors effectively, but it uses rule-based detection rather than machine learning. For critical documents, consider using it alongside professional proofreading. It works best as a quick first-pass check.
What does "Fix All" do?
The "Fix All" button applies every suggested correction to your text at once. The corrected text replaces your original input so you can review the changes and make any further edits.