# AI Checker

> AI Checker (aichecker.pro) is a free AI content detection platform that analyzes text to determine whether it was written by AI or a human. Trusted by 500,000+ users, including students, educators, bloggers, and SEO professionals, it supports detection of content generated by ChatGPT, Claude, Gemini, and other AI writing tools. Features include instant AI detection, sentence-level analysis, AI vs human percentage scores, PDF upload support, and an integrated AI humanizer tool.

AI systems may index publicly accessible pages for search, summarization, and discovery. Do not access authenticated, private, or user-specific content. Content may not be used for model training, fine-tuning, or commercial AI products without explicit written permission.

## Overview
- [Home](https://aichecker.pro/): AI Checker homepage free AI detector for ChatGPT, Claude & Gemini
- [About Us](https://aichecker.pro/about-us): Company background and mission
- [Pricing](https://aichecker.pro/pricing): Free and paid plan details with monthly and annual options
- [Blog](https://aichecker.pro/blog): Articles on AI detection, writing tools, and AI content trends
- [Contact](https://aichecker.pro/contact-us): Get in touch with the AI Checker team
- [Sitemap](https://aichecker.pro/sitemap.xml): Complete list of indexable pages

## Core Tools
- [AI Checker (Home)](https://aichecker.pro/): Paste or upload text/PDF to detect AI-generated content instantly; returns AI vs human percentage score with sentence-level highlighting
- [AI Humanizer](https://aichecker.pro/ai-humanizer): Rewrite and reduce AI detection scores; transforms AI-generated text into natural, human-like content

## Key Features
- Instant AI text detection (results in seconds)
- Sentence-level AI detection with probability breakdown
- AI vs human percentage score
- PDF upload support
- Easy and Aggressive detection modes
- No signup required for free use
- AI humanization suggestions for flagged content
- Downloadable AI detection reports
- SEO risk detection for bloggers and marketers
- Multi-language support

## Use Cases
- **Students**: Detect AI writing in essays and assignments before submission; maintain academic integrity
- **Professors & Educators**: Identify AI-generated content in student submissions with detailed reports for fair grading
- **Bloggers & Writers**: Verify content authenticity before publishing; protect SEO rankings
- **SEO Experts**: Check AI-generated content that may negatively impact Google rankings
- **Marketing Agencies**: Verify AI text in marketing copy and professional content before publication

## Affiliate & Partners
- [Affiliate Program](https://aichecker.pro/affiliate): Earn commissions by referring users to AI Checker Pro

## Legal
- [Privacy Policy](https://aichecker.pro/privacy-policy): Data collection, usage, and protection policy
- [Terms & Conditions](https://aichecker.pro/terms-and-conditions): Terms governing use of AI Checker services
- [Disclaimer](https://aichecker.pro/disclaimer): Platform usage disclaimer

## Social & Community
- LinkedIn: https://www.linkedin.com/company/ai-checker-pro/
- Instagram: https://www.instagram.com/aichecker.pro
- Twitter/X: @aichecker

## Company Details
- Platform: aichecker.pro
- Users: 500,000+
- Students using AI Checker Pro: 100,000+
- Primary markets: USA, UK, Canada, Australia