# TextShift

> AI content detection and humanization platform with 99.18% accuracy. 22 AI-powered writing tools trusted by 10,000+ users.

TextShift is a comprehensive AI writing platform that provides:

## Core Tools
- **AI Detector** — 99.18% accuracy using RoBERTa + TriBoost ensemble (10 models). Detects AI-generated text from ChatGPT, GPT-4, Claude, Gemini, LLaMA, and more.
- **AI Humanizer** — Makes AI-generated content undetectable. 3 modes: Academic, Professional, Casual. Uses T5-based transformer with 38 contraction expansions and 352 phrase replacements.
- **Plagiarism Checker** — Sentence-BERT + Neural Network with 99.95% accuracy. Real-time web comparison.

## Writing Tools (22 Total)
- Grammar Checker (CoEdIT-large, 770M params)
- Tone Detector (RoBERTa-based)
- Tone Adjuster (CoEdIT-large)
- Paraphraser (Standard + Advanced modes)
- Summarizer
- Content Improver
- Translator (multi-language)
- Readability Analyzer
- Style Analyzer
- Word Counter
- Citation Generator (APA, MLA, Chicago, Harvard, IEEE)
- SEO Content Scorer
- Sentence Expander
- Text Simplifier
- Bullet Point Generator
- Email Writer
- Headline Generator
- Call-to-Action Generator
- PDF Export

## Key Facts
- 22 AI-powered writing tools
- 99.18% AI detection accuracy
- 99.95% plagiarism detection accuracy
- 3 humanization modes (Academic, Professional, Casual)
- Trusted by 10,000+ users
- Free tier: 5,000 words/month
- Subscription tiers: Free, Starter, Pro, Enterprise

## Links
- Website: https://textshift.org
- Blog: https://textshift.blog
- Features: https://textshift.org/features
- Pricing: https://textshift.org/pricing
- API Documentation: https://textshift.org/api-docs
- Contact: https://textshift.org/contact

## Technical Architecture
- Backend: Python FastAPI
- Frontend: React + TypeScript (Vite)
- ML Models: RoBERTa (355M params), T5-base (220M params), CoEdIT-large (770M params), TriBoost (XGBoost + LightGBM + CatBoost)
- Infrastructure: DigitalOcean + Render + AWS SageMaker + Modal.com
- Blog: Next.js SSG + Sanity.io CMS