Web Installer

Flash your device directly from your browser

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Flash Firmware

Flash baudrate
(higher is faster, lower if unstable)
Monitor baudrate
(serial monitor speed)
Preparing... 0%
Ready to start
Console Logs
[INFO] Ready to connect...
⚠️

Press BOOT Button Now!

Hold the BOOT button on your ESP32 board now.
Keep holding until you see "Connected" message.

The button may be labeled as BOOT, FLASH, or GPIO0.

🔧

Put Device in Download Mode

1. Hold the BOOT button
2. Press and release RESET while holding BOOT
3. Release BOOT

Your device should now be in download mode (no serial output).

⏱️

Connection Timeout

Could not connect to the ESP32 in time.
Do you want to retry with the same port?

🔌

Port Busy

The selected port is already in use by another application.
Would you like to try again with a different port?