Detect AI-Generated Content Instantly
AI Defense helps you identify AI-written text, AI-generated images, deepfakes and more — with free interactive scanners and a curated directory of the best detection tools.
Interactive Scanners
Try these tools directly in your browser — no signup needed for free tools.
AI Text Scanner
Paste text to check for AI writing patterns. Analyzes burstiness, predictability, and AI m
Prompt Injection Checker
Check text for prompt injection and jailbreak attempts.
Image Metadata Analyzer
Upload an image to check for AI generation markers.
GLTR Text Analyzer
Analyze text word-by-word for AI writing patterns.
Code AI Detector
Analyze source code for AI-generated patterns.
Text Similarity Checker
Paste two texts and get an instant similarity score using Jaccard and cosine algorithms.
URL Safety Checker
Paste text containing links to detect suspicious URLs: IP addresses, encoded characters, s
Readability Score Analyzer
Paste text to get a Flesch Reading Ease score, grade level, and vocabulary diversity metri
Content Humanizer
Paste AI-generated text and get a human-sounding rewrite that removes AI clichés while kee
Sentiment Analyzer
Paste text and get a sentiment score from -1 (very negative) to 1 (very positive), plus th
Browse by Category
All Detection Tools
AI or Not
Detect if images, audio, and video are AI-generated.
Content at Scale AI Detector
AI detection tool from the content marketing platform.
Copyleaks AI Detector
Enterprise AI content detection with multi-language support.
Copyleaks Code Detection
Detect AI-generated source code across languages.
Crossplag AI Detector
AI content detection with multi-lingual support.
Deepfake-OS
Open-source forensic deepfake analysis tool.
Deepware Scanner
Free deepfake video detection scanner.
ElevenLabs AI Speech Classifier
Detect AI-generated speech and voice clones.
GPTZero
AI text detection for educators and professionals. Detects ChatGPT, GPT-4, Claud
Grammarly Plagiarism Checker
AI-assisted plagiarism detection with writing enhancement.
Hugging Face Deepfake Detector
Open-source deepfake image detection model demo.
HyperVerge AI Fraud Detection
AI-powered identity fraud detection and document verification.
ID R&D Identity Verification
AI-based identity verification and fraud detection platform.
Illuminarty
Detect AI-generated images from DALL-E, Midjourney, Stable Diffusion.
Originality.ai
AI content detection and plagiarism checker for professional writers and publish
Respeecher Detector
Voice clone detection for synthetic audio.
Sapling AI Detector
Free AI text classifier for quick content checks.
Sensity AI
Enterprise deepfake detection and identity verification platform.
Sensity Deepfake Detection
Comprehensive deepfake detection for images, video, and audio.
Turnitin AI Detection
Academic AI writing detection integrated with plagiarism checking.
Undetectable AI
AI detection bypass tool with multi-scanner check.
Writer AI Detector
AI content detection by Writer.com — part of their enterprise AI platform.
ZeroGPT
Free online AI text detection tool for ChatGPT and other AI models.