esp32sim

esp32sim is an open-source, instruction-level emulator for various ESP32 SoCs, enabling developers to run real ESP32 firmware on their local machine or in the browser. It accurately simulates the ESP32 hardware components and supports multiple ESP32 variants (including ESP32-S3, ESP32-C3, ESP32-C6). The emulator runs real mask ROMs, bootloaders, and unmodified application images, facilitating development, debugging, and testing without requiring physical ESP32 devices or cloud services.