Why Choose Our AI Checker?
The most comprehensive AI detection tool available, check, analyze, and humanize all in one place.
Multi-Detector Analysis
Check against GPTZero, Turnitin, Originality.AI, ZeroGPT, Copyleaks, and 15+ other AI detectors simultaneously.
98% Accuracy Rate
Industry-leading detection accuracy with detailed probability scores and highlighted AI-generated sections.
PDF & DOCX Support
Upload files directly, no more copy-pasting. Support for PDF, DOCX, and TXT files up to 10MB.
Instant Results
Get comprehensive detection results in under 30 seconds. Real-time analysis with detailed breakdown.
Privacy First
Your content is never stored or shared. Full encryption and automatic deletion after analysis.
Built-In Humanizer
Detected AI content? One-click humanization to bypass any detector with 97% success rate.
How the AI Checker Works
Three simple steps to detect AI-generated content
Paste or Upload
Paste your text or upload a PDF, DOCX, or TXT file up to 10MB.
Analyze
Our AI checks against 15+ detectors and provides detailed probability scores.
Review & Humanize
See highlighted AI sections and one-click humanize to bypass detection.
Frequently Asked Questions
How accurate is the AI Checker?
Our AI Checker has a 98% accuracy rate, tested against thousands of AI-generated and human-written samples. We use multiple detection models to minimize false positives and provide reliable results.
Which AI detectors does it check against?
Our tool checks against GPTZero, Turnitin, Originality.AI, ZeroGPT, Copyleaks, Crossplag, and 15+ other major AI detection systems to give you comprehensive coverage.
Is my content safe and private?
Absolutely. Your content is encrypted during analysis and automatically deleted after processing. We never store, share, or use your content for training purposes.
Can I check and humanize in one tool?
Yes! AI Free Text Pro is the only tool that combines AI detection and humanization. Detect AI content, then humanize it with one click, no need for separate tools.
How many words can I check for free?
Our free plan includes 1,000 words per month for detection and humanization. Upgrade to a paid plan for higher limits and additional features.
AI Detection Resources
Free AI detector with 98% accuracy
How AI Detectors Work
Detection technology explained
AI Detection Patterns
5 patterns detectors look for
How Detectors Score Text
Scoring algorithms decoded
Signal vs Noise
What separates human from AI text
AI Detection Comparison
All major detectors compared
False Positives Guide
Why false positives happen
How to Detect AI Text
Complete detection guide
Check If Written by AI
Quick verification methods
Why AI Content Fails Review
Why human reviewers catch AI
AI Detection in Publishing
Detection in modern publishing
Does Grammarly Trigger Detection?
Grammarly + AI detector myths
Best AI Detector for Teachers
Top detectors for educators
Free AI Content Detector
Best free AI detectors
AI Essay Checker
Check essays for AI signals
ChatGPT Plus Detection
Detection of ChatGPT Plus output
Perplexity & Burstiness Patterns
Two core detector metrics
Does Turnitin Detect ChatGPT?
Turnitin vs ChatGPT analysis
Can AI Writing Be Original?
Originality and AI text
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