Writing & Grammar
AI Writing Detector
Estimate whether text contains statistical signals commonly associated with AI-generated writing. This is not proof of authorship.
What is AI Writing Detector?
Use this free browser-based writing tool to review your text, understand what needs attention, and make clearer edits before you publish or submit it.
How to use this tool
Paste or type your text, review the results, then make only the changes that improve meaning, correctness, or readability. Your existing text stays in your editor while you work.
- Enter or paste the text or values requested by the tool.
- Review the live results and explanations.
- Make the changes that fit your writing goal and verify the final version.
What this tool checks
- the main writing and grammar signals described by the tool
- patterns that may need editorial review
- clearer, more consistent writing decisions
Common uses
- Proofreading a draft before publishing, submitting, or sending it.
- Reviewing the specific AI detector signals instead of relying on a generic spelling check.
- Combining this focused check with GrammarCheck.site's related writing tools for a final review.
Related topics
AI detector · AI writing detector · AI content checker
What to do next
After using this focused tool, continue with a related task:
- Tone Checker — Estimate dominant tone signals and identify wording that may affect reader perception.
- Active Voice Converter — Identify passive voice constructions and convert them into punchy, direct active voice alternatives.
- Commonly Confused Words Checker — Find commonly confused English words and review usage guidance for pairs such as affect/effect, your/you’re and its/it’s.
- Email Grammar Checker — Review professional emails for grammar signals, clarity, concision, tone, sentence length and common workplace writing issues.
Frequently asked questions
What is AI Writing Detector?
AI Writing Detector is a free GrammarCheck.site tool designed to Estimate whether text contains statistical signals commonly associated with AI-generated writing. This is not proof of authorship.
What does the AI Writing Detector check?
The tool focuses on the main writing and grammar signals described by the tool, patterns that may need editorial review, and clearer, more consistent writing decisions. Results are signals for review rather than a claim that every flagged pattern is incorrect.
How do I use the AI Writing Detector?
Enter or paste the material requested by the tool, review each result in context, and apply only the changes that preserve your intended meaning and audience.
Is AI Writing Detector free?
Yes. GrammarCheck.site provides this tool as a free online utility. Optional provider-backed features, where offered, only run when the relevant action is requested.
Does this tool guarantee a writing result?
No. It provides measurable checks and practical guidance. Human review is still important for meaning, context, style, and final editorial decisions.
Open the interactive AI Writing Detector · Grammar Checker · Readability Checker · Word Counter