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Grammar Checker
Check text for common grammar, punctuation, capitalization, spacing, and repetition issues with instant browser-side suggestions.
Check grammar and common writing issues instantly
Paste or type text to scan for common grammar, punctuation, capitalization, spacing, repetition, and sentence-length issues with instant browser-side suggestions.
Grammar and proofreadingLive issue detectionMobile friendly
Text to check
Paste a draft, message, article section, or UI copy and review the suggestions instantly.
Results and suggestions
Use the issue list as a fast first-pass edit, then copy the cleaned preview if it looks right.
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Words
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Paragraphs
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Cleaned preview
Your cleaned text preview appears here after you add content.
Detected issues
Add some text to see grammar suggestions, issue summaries, and a cleaned preview.
What this grammar checker does
This Grammar Checker gives you a fast first-pass review of common writing problems directly in the browser. It looks for issues such as repeated words, double spaces, lowercase sentence starts, missing final punctuation, lowercase I, simple article mismatches, and overly long sentences.
It is designed for quick editing workflows where you want immediate, private feedback before publishing or sharing text. That makes it useful for landing pages, emails, product copy, documentation, notes, and short UI content.
It is intentionally lightweight rather than pretending to be a full language model or editorial engine. Use it to catch obvious problems quickly, then apply a manual review for context, tone, and style-guide-specific choices.
How it works
- Paste or type text into the editor.
- The tool scans the text using a set of practical grammar and editing rules.
- It groups potential issues into a readable list with severity, excerpt, and suggested action.
- It also creates a cleaned preview by applying safe fixes to obvious issues.
- Use the suggestions as a fast proofreading layer before final manual editing.
Grammar checker examples
Proofread marketing drafts quickly
Scan landing page copy, email drafts, ads, and product descriptions for repeated words, punctuation gaps, capitalization issues, and long sentences before publishing.
Clean up internal documentation
Use the grammar checker to catch obvious writing issues in notes, SOPs, briefs, and support documentation before sharing them with teammates.
Review UI and microcopy text
Check headings, helper text, announcements, and short interface messages for basic clarity and consistency before handing them to design or development.
Editing guidance
Use the issue list to catch fast, high-signal errors first, then do a second pass for meaning, tone, and audience-specific clarity.
Long sentences often hide multiple problems at once. Tightening sentence length can improve grammar, clarity, and reading pace in one edit.
After fixing grammar, review structure with Sentence Counter or Word Counter to tighten pacing and readability.
Need to polish headings and labels after cleanup? Move to Capitalize Words Tool or Text Case Converter.
Frequently asked questions
What does this Grammar Checker detect?
It detects a practical set of common issues such as repeated words, double spaces, lowercase sentence starts, missing sentence-ending punctuation, lowercase i, simple a/an mismatches, and very long sentences.
Is it a full AI grammar engine?
No. This tool is a fast browser-side grammar helper designed to catch high-signal writing problems instantly without sending your text away. It is best used as a first-pass editing layer.
Does it update live as I type?
Yes. The issue list, summary cards, and cleaned text preview update instantly as you type, paste, edit, or clear the text.
Can I copy a cleaned version of the text?
Yes. The tool creates a cleaned preview using safe fixes such as repeated-word cleanup, sentence-start capitalization, lowercase i correction, double-space removal, and final punctuation repair.
Related writing tools
📝
Word Counter
Review words, paragraphs, and reading time alongside grammar cleanup when you are editing longer drafts or articles.
📚
Sentence Counter
Inspect sentence count and structure after fixing grammar issues, especially when you want tighter writing and better pacing.
📝
Capitalize Words Tool
Polish headings, labels, and titles after correcting grammar in the underlying copy.
🔢
Character Counter
Check final length after editing when your cleaned copy needs to fit buttons, labels, metadata, or short UI spaces.
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