Free AI detection · No signup required

Detect AI-written text with sentence-level clarity

Paste your content and instantly spot sentences that sound machine-written. Get clear, practical suggestions to make every line feel more natural.

✓ Up to 20,000 characters ✓ Sentence highlights ✓ Rewrite guidance

AI content detector

Paste your text below to review AI-sounding sentences.

Detector ready

Input text

0 / 20000 characters (min 500)

Suggestions

Results will appear here after you run Detect.

Why PaperCheck

More than a percentage score

Understand what triggered the result and turn detection into a clear editing workflow.

⌁

Precise highlights

See the exact sentences that feel predictable, repetitive, or machine-polished.

✦

Actionable rewrites

Compare clearer alternatives while keeping the meaning and intent of your original.

✓

Review with confidence

Use the result as an editing signal before sharing essays, articles, and business copy.

FAQ

Your questions, answered

What does this AI detector do?+

It checks text for AI-sounding sentences and provides rewrite suggestions, helping you focus your review before submission.

Is this a ZeroGPT alternative?+

It supports a similar AI-checking workflow, with extra emphasis on sentence-level review and practical editing guidance.

Can any AI detector be perfect?+

No. Treat any detection result as a review signal and combine it with context, human judgment, and careful revision.

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