# CatchAI Text - Writing Authenticity & Stylometric Analysis Studio

> CatchAI Text is a free, privacy-first, offline AI text detection and document OCR workspace built for educators, students, and creators.

## Overview & Usage Guidelines
CatchAI Text processes text and document analysis locally inside the browser using client-side stylometric engines and WebAssembly-powered OCR. Zero user data, essay content, or student records are stored or transmitted to external remote servers.

## Core Capabilities
- [Local Stylometric Forensics](https://catchaitext.com/): Calculates vocabulary diversity, repetition, average sentence length, and burstiness in under 50ms without network usage.
- [Offline OCR Studio](https://catchaitext.com/): Uses WebAssembly Tesseract.js and optional Gemini Multimodal vision to transcribe printed papers and handwritten notes.
- [Predictability Heatmaps](https://catchaitext.com/): Visualizes line-by-line perplexity variance to differentiate organic human writing from low-entropy AI outputs (ChatGPT, Claude, Gemini).

## System Architecture & Security
- **Data Privacy**: 0 Bytes uploaded (100% Client-Side In-Browser Execution).
- **Compliance**: Fully compliant with FERPA, COPPA, and GDPR educational privacy regulations.
- **Latency Benchmark**: Sub-50ms processing for 1,000-word academic essays.

## Frequently Asked Questions
- **Is CatchAI Text free?** Yes, CatchAI Text is a 100% free authenticity verification tool.
- **Does CatchAI Text upload student documents to servers?** No, CatchAI Text processes all text locally within the client browser sandbox, ensuring full privacy protection.
- **How does CatchAI Text detect AI text?** CatchAI Text evaluates structural writing patterns using stylometric metrics such as sentence burstiness and lexical diversity.
- **Who developed CatchAI Text?** Designed and developed by Awana Jonathan & Ogaga-Ochuko D. Oghoghome.