esptool A Python-based, open-source, platform-independent serial utility for flashing, provisioning, and interacting with Espressif SoCs.

In this major release, esptool was refactored, and some breaking changes were introduced. See the v5 Migration Guide article in the documentation for a detailed list of changes and guidance …

Aug 13, 2025 · Built on the Web Serial API, esptool-js runs directly in Google Chrome or Microsoft Edge, making it possible to work on almost any operating system without drivers or Python …

Adafruit WebSerial ESPTool Web tool to install firmware on ESP devices via the browser using WebSerial.

Esptool will display information about which flash memory sectors will be erased. Use the -e/--erase-all option to erase all flash sectors (not just the write areas) before programming.

Jun 16, 2021 · This repository contains a Javascript implementation of esptool, a serial flasher utility for Espressif chips. esptool-js is based on Web Serial API and works in Google Chrome …

About esptool.py was initially created by Fredrik Ahlberg (@ themadinventor), and later maintained by Angus Gratton (@ projectgus). It is now supported by Espressif Systems. It has …

esptool.py was started by Fredrik Ahlberg (@ themadinventor) as an unofficial community project. It is now also supported by Espressif. Current primary maintainer is Angus Gratton (@ …

ESPTool is a native C# implementation of Espressif's ESP tool (esptool). This library was created to enable direct interaction with ESP devices (such as ESP32) without relying on external …

Sep 19, 2024 · We recommend installing it with pip as a python package. Or you can download an executable binary for Windows (esptool.exe) at the bottom of the release. In this case, you …