Koicoi's Toys — ESP32-S3 Web Flasher

Use Chrome/Edge over HTTPS. Close serial monitor windows before flashing. If auto-reset fails: hold BOOT, tap EN/RST, click Install, then release BOOT.

Choose the variant that matches your hardware/profile.

Control panel: open panel

Firmware files for manifests

Put the correct binaries for each variant in these folders:
Required files per variant: bootloader.bin, partitions.bin, boot_app0.bin, firmware.bin.