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Built with React.\n\n![TextAnnotator UI](./public/image.png)\n\n## What is TextAnnotator?\n\nTextAnnotator is a web-based tool for creating training data for NLP models. Select text in a passage and label it with entity tags like PERSON, ORG, or GPE to create annotated datasets that can be used to train NER models.\n\n## Features\n\n- **Text Input** - Paste or type any passage text\n- **Entity Labels** - Create custom labels (PERSON, ORG, GPE, etc.)\n- **Visual Annotation** - See highlighted entities in the text\n- **JSON Export** - Download annotations as JSON for training data\n- **Keyboard Shortcuts** - Press 1, 2, 3... to quickly apply labels\n- **Professional UI** - Clean interface designed for productivity\n\n## Getting Started\n\n### Prerequisites\n\n- Node.js 18+\n- npm or yarn\n\n### Installation\n\n```bash\n# Clone the repository\ngit clone https://github.com/your-username/textannotator.git\ncd textannotator\n\n# Install dependencies\nnpm install\n```\n\n### Development\n\n```bash\n# Start development server\nnpm run dev\n\n# Or use the start script\nnpm start\n```\n\nThe app will open at http://localhost:3001\n\n### Production Build\n\n```bash\nnpm run build\n```\n\nBuilds the app for production to the `build` folder.\n\n## How to Use\n\n1. **Enter text** in the Passage Input box\n2. **Select text** with your mouse/cursor\n3. **Click a label** (or press 1, 2, 3) to annotate\n4. **Download** the JSON output for training\n\n### JSON Output Format\n\n```json\n{\n  \"examples\": [\n    {\n      \"id\": \"ex-1\",\n      \"content\": \"John works at Google in New York.\",\n      \"annotations\": [\n        { \"start\": 0, \"end\": 4, \"tag_name\": \"PERSON\" },\n        { \"start\": 14, \"end\": 20, \"tag_name\": \"ORG\" },\n        { \"start\": 24, \"end\": 32, \"tag_name\": \"GPE\" }\n      ]\n    }\n  ]\n}\n```\n\n- `start` / `end` - Character positions in the text\n- `tag_name` - The entity label applied","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvasanthakumar70%2Ftest-annotator","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fvasanthakumar70%2Ftest-annotator","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvasanthakumar70%2Ftest-annotator/lists"}