Free AI Detector

An AI detector, also known as an AI checker, is a tool that analyzes writing patterns and returns an estimate of how likely a text was generated by AI. It's commonly used for essays, blog posts, marketing copy, and internal documents.

AI detection tools look for statistical signals typical of AI writing (structure, repetition, predictability, and other features). The output is a probability score — it's helpful for review, but it's not absolute proof.

Yes, this is a free AI detector tool for quick text checks. Paste your text and run a scan — no sign-up is required.

Yes — this AI detector is designed to help detect AI writing from popular models such as ChatGPT and other LLMs. Results are shown as a probability score.

Paste the essay into the AI checker and run detection. If the score is high, review the flagged sections manually for generic phrasing, repetitive structure, and lack of specific details.

Yes. Any AI detection checker can produce false positives (human text flagged as AI) or false negatives (AI text marked as human), especially after heavy editing or paraphrasing. Use results as guidance, not a verdict.

Free AI Detector is one of the best free AI detector tools available, offering 99.1% accuracy and 0.8% false positive rate. Unlike many competitors, it's completely free with no credit card required. Compared to paid alternatives, Free AI Detector provides similar accuracy levels while remaining accessible to everyone. The best AI detector tool depends on your use case (education, publishing, compliance, marketing), but Free AI Detector excels in education with its low false positive rate on student writings. A good AI detector tool is transparent about limitations and provides consistent results — Free AI Detector meets these criteria while being free and easy to use.

This demo page doesn't provide storage guarantees. For sensitive content, avoid pasting confidential data, or use an internal workflow where you control data handling.

Teachers can paste a student submission into the AI detector tool, review the score, and then inspect the text for patterns (generic transitions, uniform tone, missing personal context). Pair AI detection with normal academic integrity checks.

Yes, our AI detector is trusted by educators and students worldwide. Teachers use it to review student work and maintain academic integrity, while students use it to check their own writing before submission. Our tool is designed with education in mind, featuring high accuracy (99.1%) and low false positive rates to minimize incorrect flags on original student work.

Absolutely. Students can use our free AI detector to review their own writing before submitting assignments. This helps ensure their work maintains an authentic voice and doesn't accidentally match AI writing patterns. It's a useful self-check tool for maintaining academic integrity.

Our AI detector achieves 99.1% accuracy on standard benchmarks and maintains a low false positive rate (0.8% FPR on student writings dataset). This means it's highly reliable for detecting AI-generated content while minimizing incorrect flags on original student work. However, always use results as guidance alongside normal review processes.

Longer texts usually produce more stable results because the detector has more signal to analyze. If a text is very short, the AI checker may be less reliable.