Skip to main content
ESPBoards
ESPBoards ESP32 Program Uploader Tool

ESPBoards ESP32 Program Uploader Tool (esptool online)

The ESPBoards ESP32 Program Uploader Tool (esptool online) is a convenient web-based utility that allows you to upload programs and firmware to your ESP32 or other microcontroller devices directly from your web browser.

Also check the ESPBoards Online Serial Monitor Tool for Serial logs console.


Flash AddressFile

Help

The ESPBoards Online Program Uploader Tool leverages the Web Serial API to establish a direct connection between your web browser and your ESP32 board. With this tool, you can upload firmware or sketches to your device directly via USB—no need for traditional IDEs or software installations.

What is ESPBoards Online Program Uploader?

The ESPBoards Online Program Uploader Tool (ESPTool Online) allows you to flash firmware or upload sketches to your ESP32 boards directly from your browser. This eliminates the need for downloading additional software or IDEs, making it a fast and convenient solution for programming your device.

How to use the Online Program Uploader?

  1. Connect your ESP32 board to the USB port of your computer.
  2. Select Baudrate at the top-left corner. This should be compatible with your ESP32 board.
  3. Click "Connect"
  4. In the browser's Pop-Up, select your board and click "Connect"

After some time you will see the screen change. You can now select files you want to upload to the connected ESP32 Board.

  1. In the table, File column, select "Choose file" and select .bin file you want to upload.
  2. If you want to upload multiple files, click "Add File"
  3. When you are ready to upload, click "Program"

The files will start uploading, you will see the progress in the console below. When it's done, you will see a log "Leaving"

Once the upload is complete, your ESP32 will restart automatically and begin running the newly uploaded program.

Can I use the ESPBoards Online Program Uploader to monitor Serial logs?

Yes, after uploading the program you will see the Serial logs in the console. If you want to monitor Serial logs without uploading a new program, check out the ESPBoards Online Serial Monitor Tool.