Grammar
Common agreement, article, and verb-form patterns.
Grammar Checker
Catch common grammar and writing issues with clear, practical suggestions.
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Paste or type text to check.
What Phrasivo checks
Practical checks, explained clearly
Phrasivo looks for supported patterns involving agreement, verb forms, articles, capitalization, punctuation, spacing, repeated words, common confusions, and wordiness. Fix labels mark high-confidence corrections; Review labels identify context-dependent suggestions.
- 1Paste or typeAdd a sentence, paragraph, or longer document.
- 2Check GrammarThe local rule engine collects issues without changing your text.
- 3Review correctionsApply safe fixes individually or together, and decide on review suggestions yourself.
Issue categories
Know what each suggestion means
Punctuation
Supported spacing, transition, and sentence-ending issues.
Spelling & Typo
Repeated words, contractions, and common forms.
Capitalization
Sentence openings and the standalone pronoun I.
Word Choice
Carefully scoped confusions and usage warnings.
Clarity & Style
Optional review suggestions for wordiness and redundancy.
Before and after
Several small fixes, one careful review
Before“i dont think there is many reasons to change the plan however the team have already started.”
After“I don’t think there are many reasons to change the plan. However, the team has already started.”
Limitations
A checker, not a guarantee
Language depends on meaning and context. Phrasivo does not detect every mistake, replace professional proofreading, or guarantee error-free writing. Its explainable local rules deliberately avoid broad, speculative corrections.
Your text stays yours
Checking happens in browser JavaScript. No user text is submitted to the server, saved to a database, sent to analytics, or shared with a grammar or AI service.
Straight answers
Grammar Checker questions
What this free writing checker can—and cannot—do.
What does Phrasivo Grammar Checker check?
It checks supported common patterns involving grammar, punctuation, capitalization, spacing, typos, word choice, clarity, and style.
Is it free?
Yes. The Grammar Checker is free and requires no account or subscription.
Is there a word limit?
Phrasivo imposes no artificial word limit. Your browser and device still have practical memory limits for unusually large documents.
Does Phrasivo store my text?
No. Checking runs locally in your browser. Your text is not sent to PHP, a database, analytics, an external API, or another third party.
Does it catch every grammar mistake?
No. It focuses on supported common patterns and cannot understand every context-dependent grammar issue.
Can it check punctuation?
Yes. It checks several high-confidence punctuation and spacing patterns, but it is not a complete punctuation review.
Can I apply corrections automatically?
Yes. You can apply an individual suggestion. Apply all safe fixes changes only high-confidence, non-conflicting issues; review suggestions are excluded.
Should I still proofread my writing?
Yes. Automated checks can miss context, specialized usage, names, and subtle meaning. Review important writing yourself or ask a qualified proofreader.