ESP Web Flasher

Flash firmware to ESP32/ESP8266 devices directly from your browser

Connecting...

Upload Firmware

Select your firmware file (.bin, .hex, .elf)

Drop firmware file here

or click to browse

Device Settings

Flashing Progress

Ready to flash

0%
$ System ready. Waiting for firmware...

Uploaded Files

No files uploaded yet

ProtoX Firmwares

Flash pre-configured firmware packages directly to your device

Device Connection

Available Firmwares

Loading firmwares...

Flashing Progress

Ready to flash

0%
$ Select a firmware and port to begin flashing...

Serial Console

Real-time serial communication with your device

Connection Settings

Console Output

Disconnected
$ Serial console ready. Connect to a device to begin...

About ProtoFlasher

ESP firmware flashing tool for developers and enthusiasts

About This Tool

ProtoFlasher is a web-based firmware flashing tool designed to make ESP32/ESP8266 firmware flashing accessible directly from your browser. Built with modern web technologies, it provides a seamless experience for developers and enthusiasts working with ESP devices.

Features

  • Direct browser-based firmware flashing
  • Real-time serial console
  • Support for multiple ESP chip types
  • WebSocket-based live progress updates
  • Clean, minimal interface
  • Drag and drop file upload

Supported Devices

  • ESP32 (all variants)
  • ESP8266
  • ESP32-S2
  • ESP32-S3
  • ESP32-C3

Technology Stack

Backend: Node.js, Express, WebSocket, SerialPort

Frontend: HTML5, CSS3, Vanilla JavaScript

⚠️ Disclaimer: This tool is for educational and authorized testing purposes only. Users are responsible for compliance with local laws and regulations.

Version 1.0.0