Web Firmware Flasher

Flash ESP32 directly from your browser using Web Serial API. No drivers, no IDE required.

⚠️ Requires Chrome or Edge (Web Serial API). Firefox is not supported. If connection fails, hold BOOT button on your ESP32 while clicking Connect.

Firmware Source

Device Connection

Reset Strategy

Use "Hard Reset" if your board fails to sync automatically.

Flash

Serial Log

// Output will appear here after connecting...

Quick Guide

1Select firmware from library, upload a .bin, or paste GitHub URL

2Click "Connect Device" and pick your COM port

3Click "Flash Firmware" and wait for completion

4Device auto-resets and runs new firmware