Web Flasher

Install MCLite from your browser

Procedure

Firmware source
Firmware version

Loading releases…
Enter DFU mode

Loading sequence…

…

Loading…

Initialising DFU sequence.

Tip: the actual readiness check happens when you click Install MCLite below — your browser will ask which device to use, then ESP Web Tools verifies the chip is in DFU mode.

If your browser supports it, DFU mode may be auto-detected when the device appears on the port
Run installer

Complete the steps above to enable.

→

Web Serial not supported in this browser Web Serial access denied — page must be served over HTTPS
Reboot device

Press the device's reset button to boot into the new firmware.

→
Configure SD card

Open the Config Tool to write config.json.

→

Source & Diagnostics

Source

—

Binary Size

—

Flashing engine: esp-web-tools v10.2.1 (Apache-2.0) — vendored locally, see LICENSE.

First-time flash You will be prompted to erase the device. This is expected.

Safe Your config.json and SD card contents are preserved across flashes.