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AI Hallucinatie Checker — Gratis online tool

Markeer mogelijke hallucinaties in AI-tekst

Scan AI-tekst op veelvoorkomende hallucinatie-patronen — nepbronnen, verdacht specifieke cijfers, verzonnen URL's. Direct resultaat.

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Free AI hallucination checker — flag suspicious claims

Scan AI-generated text for hallucination patterns. Identifies fake citations, suspicious URLs, oddly specific numbers, and overconfidence markers. Rule-based — no AI doing the detection. Perfect for reviewers who need to fact-check ChatGPT / Claude output quickly.

How to use this tool

  1. 1

    Paste AI output

    The text ChatGPT / Claude / Gemini gave you that you want to sanity-check.

  2. 2

    Review flagged items

    Each flag includes: category, severity, what to verify, why it's suspicious.

  3. 3

    Manually verify

    Each flag is a CANDIDATE for checking — not proof of hallucination. Look up citations, check quoted numbers against sources.

How to verify flags

  • Citations: Google the exact quote + "Smith et al." — real papers appear on Google Scholar
  • URLs: Click — does it load? Is the domain real? (.edu, .gov, major orgs)
  • Numbers: Search the statistic verbatim — real stats have multiple sources
  • Studies: Check pubmed, Google Scholar, university websites

Frequently Asked Questions

What is an AI hallucination?
When an LLM generates plausible-sounding but false or fabricated information. Common types: fake citations, made-up URLs, invented quotes, wrong statistics, misattributed facts.
Can this detect 100% of hallucinations?
Nee. Real hallucinations can sound perfectly normal. This tool flags common patterns (fake citations, oddly specific numbers, suspicious URLs) that are high-probability hallucinations. Always verify important claims yourself.
What does this detect?
(1) Citation patterns — "according to a 2023 Harvard study" without link. (2) Suspicious URLs — short, clearly pattern-matched fake URLs. (3) Oddly specific numbers — precise percentages / statistics without sources. (4) Fabrication markers — "Smith et al., 2019" style fake references. (5) Overconfidence markers — "definitely", "certainly", "always" on disputed claims.
Why not use AI to detect AI hallucinations?
The AI doing the detection can hallucinate too. Rule-based heuristics are deterministic. Our tool flags candidates for YOU to verify — it doesn't make its own claims.
Is my text sent anywhere?
Nee. 100% client-side. Safe for sensitive AI outputs you want to sanity-check.

Belangrijkste punten

  • AI Hallucination Checker is a free, browser-based developer tool — flag likely hallucinations in ai-generated text.
  • Nee signup, no downloads, no file uploads — your data stays on your device.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use AI Hallucination Checker

  1. Open the tool: Launch AI Hallucination Checker on Toololis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

AI Hallucination Checker — Quick Facts

Prijs
Gratis — geen limieten, geen watermerk, geen paywall
Privacy
100% in de browser — geen data verlaat je apparaat
Platform
Elke moderne browser — desktop, tablet of mobiel
Categorie
Developer Tools on Toololis
Offline
Works offline after first visit (Progressive Web App)
FunctieDetails
ToolAI Hallucination Checker
CategorieDeveloper
Aanmelden vereistNee
Bestand uploadenGeen — verwerkt in browser
Mobiel ondersteundVolledig responsive
KostenVoor altijd gratis

Why Use AI Hallucination Checker?

You should try AI Hallucination Checker for a quick, private way to flag likely hallucinations in ai-generated text. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Privacy. Deze tool draait volledig in je browser. Je gegevens worden nooit naar een server geüpload.