* **Client-Side Processing:** All image and drawing operations happen directly in your web browser. Your images are NOT uploaded to any server.
* **Undo/Redo:** Each completed drawing stroke is saved to history. Performance may vary with very complex drawings or many undo/redo steps on large images.
* **Touch Support:** Designed to work with both mouse and touch input for drawing.
* **Disclaimer:** This tool provides basic drawing and annotation features. For professional image editing or graphic design, dedicated software is recommended.