How to Use Grammarlyzer
Use the checker fast, then open the right lesson when a mistake keeps repeating
Type or Paste Your Text
Enter your text in the editor on our home page. You can:
- Type directly into the text box
- Copy and paste from any document
- Use it for emails, essays, reports, or any text
Tip: There's no character or word limit—check entire documents at once!
Review Highlighted Errors
As you type, errors are automatically detected and highlighted:
- Red underline = Spelling errors
- Orange underline = Grammar issues
- Purple underline = Style suggestions
Click on any highlighted word to see:
- What's wrong with it
- Suggested corrections
- Options to apply or dismiss
Apply Fixes or Dismiss
For each error, you have two options:
- Apply: Click to automatically fix the error
- Dismiss: Ignore if you want to keep your original text
Privacy Note: Your text never leaves your browser. Everything is processed locally on your device.
What the Checker Is Best At
| Use Case | What to Do | Best Next Page |
|---|---|---|
| Quick email cleanup | Paste the draft, review suggestions, and fix obvious errors first. | Business Email Vocabulary |
| Repeated confused-word errors | Use the checker to spot the line, then open the rule page to lock in the difference. | Common Grammar Mistakes |
| Punctuation uncertainty | Review the sentence in context before accepting the suggestion. | Comma Rules |
| Grammar you keep forgetting | Treat the suggestion as a pointer, not the full lesson. | Learn English Grammar |
What to Double-Check Yourself
Tone and Context
Specialized Writing
Recurring Mistakes
Pro Tips for Better Results
📝 Check Complete Sentences
The grammar checker works best with complete sentences rather than fragments.
🔄 Review All Suggestions
Not every suggestion may be right for your context. Review each one before applying.
📧 Perfect for Emails
Paste your email before sending to catch embarrassing typos and grammar mistakes.
📱 Works on Mobile
Use on your phone or tablet—the interface adapts to any screen size.
Best Pages to Read Next
Common Grammar Mistakes
Start here if you want the fastest route from checker suggestion to full explanation.
→Its vs It's
A high-frequency apostrophe rule that many users need immediately after a flagged sentence.
→Subject-Verb Agreement
Useful when the checker catches singular/plural mismatches in formal writing.
→Action vs State Verbs
Open this when the checker flags verb form issues you still need to understand.
→Prepositions & Spacing
Useful for login/log in, anytime/any time, and other spacing-heavy corrections.
→FAQ
Use this if you want privacy, accuracy, and workflow answers before adopting the tool.
→Ready to Start?
Run a quick check now, then use Learn when the same grammar issue keeps coming back.
Start Checking Your Text