ESP32 Flasher
DEMO MODE Chrome / Edge required
⚠ WebSerial API not detected. This tool requires Chrome 89+ or Edge 89+. Firefox and Safari are not supported.
⚠ WebSerial requires HTTPS or localhost. You appear to be on an insecure origin — serial port access will be blocked.
STEP 1 Connect
Status: Disconnected
Baud rate
Tip: Hold the BOOT button on your board while clicking Connect, or the tool will attempt auto-reset via RTS/DTR.
STEP 2 Firmware
📂
Drop .bin here or click to browse
.bin files only
💾 — —
Loading presets...
STEP 3 Flash
Ready 0%
After flashing: Use the Serial Monitor below to see boot output. Default monitor baud is 115200.
// Serial Monitor
// ESP32 Flasher ready. Connect a device to begin.