diff --git a/scripts/support/zephyr_flash_debug.py b/scripts/support/zephyr_flash_debug.py
index f21fdf2..19692f4 100755
--- a/scripts/support/zephyr_flash_debug.py
+++ b/scripts/support/zephyr_flash_debug.py
@@ -191,6 +191,80 @@
             print('Now reset your board again to switch back to runtime mode.')
 
 
+class Esp32BinaryFlasher(ZephyrBinaryFlasher):
+    '''Flasher front-end for espidf.'''
+
+    def __init__(self, elf, device, baud=921600, flash_size='detect',
+                 flash_freq='40m', flash_mode='dio', espdif='espidf',
+                 debug=False):
+        super(Esp32BinaryFlasher, self).__init__(debug=debug)
+        self.elf = elf
+        self.device = device
+        self.baud = baud
+        self.flash_size = flash_size
+        self.flash_freq = flash_freq
+        self.flash_mode = flash_mode
+        self.espdif = espdif
+
+    def replaces_shell_script(shell_script):
+        return shell_script == 'esp32.sh'
+
+    def create_from_env(debug):
+        '''Create flasher from environment.
+
+        Required:
+
+        - O: build output directory
+        - KERNEL_ELF_NAME: name of kernel binary in ELF format
+
+        Optional:
+
+        - ESP_DEVICE: serial port to flash, default /dev/ttyUSB0
+        - ESP_BAUD_RATE: serial baud rate, default 921600
+        - ESP_FLASH_SIZE: flash size, default 'detect'
+        - ESP_FLASH_FREQ: flash frequency, default '40m'
+        - ESP_FLASH_MODE: flash mode, default 'dio'
+        - ESP_TOOL: complete path to espdif, or set to 'espidf' to look for it
+          in $ESP_IDF_PATH/components/esptool_py/esptool/esptool.py
+        '''
+        elf = path.join(get_env_or_bail('O'),
+                        get_env_or_bail('KERNEL_ELF_NAME'))
+
+        # TODO add sane device defaults on other platforms than Linux.
+        device = os.environ.get('ESP_DEVICE', '/dev/ttyUSB0')
+        baud = os.environ.get('ESP_BAUD_RATE', '921600')
+        flash_size = os.environ.get('ESP_FLASH_SIZE', 'detect')
+        flash_freq = os.environ.get('ESP_FLASH_FREQ', '40m')
+        flash_mode = os.environ.get('ESP_FLASH_MODE', 'dio')
+        espdif = os.environ.get('ESP_TOOL', 'espidf')
+
+        if espdif == 'espdif':
+            idf_path = get_env_or_bail('ESP_IDF_PATH')
+            espdif = path.join(idf_path, 'components', 'esptool_py', 'esptool',
+                               'esptool.py')
+
+        return Esp32BinaryFlasher(elf, device, baud=baud,
+                                  flash_size=flash_size, flash_freq=flash_freq,
+                                  flash_mode=flash_mode, espdif=espdif,
+                                  debug=debug)
+
+    def flash(self, **kwargs):
+        bin_name = path.splitext(self.elf)[0] + path.extsep + 'bin'
+        cmd_convert = [self.espdif, '--chip', 'esp32', 'elf2image', self.elf]
+        cmd_flash = [self.espdif, '--chip', 'esp32', '--port', self.device,
+                     '--baud', self.baud, '--before', 'default_reset',
+                     '--after', 'hard_reset', 'write_flash', '-u',
+                     '--flash_mode', self.flash_mode,
+                     '--flash_freq', self.flash_freq,
+                     '--flash_size', self.flash_size,
+                     '0x1000', bin_name]
+
+        print("Converting ELF to BIN")
+        check_call(cmd_convert, self.debug)
+
+        print("Flashing ESP32 on {} ({}bps)".format(self.device, self.baud))
+        check_call(cmd_flash, self.debug)
+
 class PyOcdBinaryFlasher(ZephyrBinaryFlasher):
     '''Flasher front-end for pyocd-flashtool.'''