Esptool GUI provides a clean, easy-to-use interface for Espressif’s command-line esptool utility.
It helps developers and hobbyists flash, read, and configure ESP8266/ESP32 microcontrollers quickly on Windows.
Esptool GUI wraps the functionality of esptool.py into an intuitive Windows application. It allows selecting COM ports, firmware files, and baud rates visually—no need for command-line input. Perfect for makers, IoT developers, and embedded engineers.
- Intuitive graphical interface for esptool
- No Python installation required
- Supports ESP8266, ESP32, ESP32-S2/S3, and ESP32-C3
- Auto-detects COM ports and chip IDs
- Fast firmware upload with progress feedback
- Lightweight and portable (no installer needed)
- Flash
.binfirmware files to ESP devices - Read flash, erase chip, or verify uploaded data
- Detect chip family, flash size, and MAC address
- Serial terminal view for monitoring output
- Save and load custom flashing profiles
- Supports multiple baud rates and USB-UART adapters
- Error handling and log window for troubleshooting
- Windows 10/11 (64-bit)
- USB-to-Serial driver (CH340, CP2102, FT232, etc.)
- 100 MB free disk space
- Administrator rights may be required for driver setup
- Connect your ESP board via USB.
- Launch Esptool GUI.
- Select COM port, firmware file, and flashing options.
- Click Start Flash to upload your firmware.
- Wait for confirmation and reset the board.
Released under the MIT License — see the LICENSE file for details.
Contributions for feature improvements, board compatibility, or UI translations are welcome.
Submit issues or pull requests to enhance user experience.
Combine Esptool GUI with ESP-IDF or Arduino IDE for a complete firmware development and flashing setup on Windows.
This repository documents setup and workflow optimization for legitimate ESP8266/ESP32 firmware management.
It does not include or distribute proprietary binaries or restricted hardware utilities.
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