JR Trove
Free · Browser-only · No signup

AI Content Detector

Score any text on its likelihood of being AI-generated. Analyzes 6 signals: burstiness (sentence-length variance), lexical diversity, common-word ratio, 4-gram repetition, punctuation diversity, and AI-transition-word density. no detector is bulletproof.

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Honest limits: heuristic detection — accuracy improves with longer text and matches GPT-3.5/4 / Claude patterns. Adversarially-edited AI text (paraphrased, mixed with human edits) will evade detection. No detector can give a binary "yes/no" with certainty. Use this as a screening signal, not court evidence. Commercial detectors (GPTZero, Originality.ai) use similar heuristics with slightly better tuning but the same fundamental limits.
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Inside the tool

What powers the AI Content Detector

6-signal heuristic analysis

AI-likelihood score 0-100

Per-sentence suspicion marking

Burstiness + lexical-diversity metrics

AI-transition-word detection

Honest about limits — no false certainty

Built differently

Why the AI Content Detector is different

Browser-native

The AI Content Detector runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.

No artificial limits

No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.

Production-grade quality

Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.

Use Contexts

Common use contexts

  • Pre-publish content review
  • Academic plagiarism / AI screening
  • Hiring writers — sample check
  • Editorial QA
Privacy by design

Private and secure

Zero upload

All processing happens in your browser. Input is never transmitted, logged or cached.

Works offline

Once the page loads, the tool runs without an internet connection. No network calls happen during use.

No tracking

No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.

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FAQ

AI Content Detector questions

Roughly matches commercial tools (GPTZero, Originality.ai) which use similar heuristics. No detector hits 99% accuracy — paraphrased / edited AI text evades all detectors.