What You Can Do with balenaEtcher Beyond Flashing an SD Card

Updated

balenaEtcher is more than an SD card writer. According to the balenaEtcher site, you can also use it to create USB installation media from bootable ISOs, install almost any OS to almost any flash drive, let visitors flash your OS directly from your website with the “Flash with Etcher” feature, and pair it with balena’s device deployment and management platform for IoT work. These uses assume you have a compatible image file and a target USB drive or SD card, and that you are working on Windows, Linux, or Mac, since the tool is cross-platform.

Create USB installation media from bootable ISOs

If you have a bootable ISO, Etcher can write it to a USB drive so you can install or try an operating system. The site describes this as “Create USB installation media from bootable ISOs.”

  • Input: a bootable ISO image and a USB drive.
  • Action: select the image, select the target drive, and start the flash.
  • Expected result: a USB drive that can be used as installation media.

Etcher’s interface is described as an intuitive 3-step process with no command lines, so you do not need to prepare a bootable USB manually.

Install almost any OS to almost any flash drive

The site says Etcher can “Install almost any OS to almost any flash drive.” This is broader than the usual SD-card-for-a-single-board-computer case. It means the same tool can write operating system images to USB drives and other flash media, not only SD cards.

A practical example: if you need to prepare a USB stick for a different machine or a spare drive for testing, Etcher can write the OS image to that drive instead of an SD card. The site’s safety features still apply: Etcher gives warnings and hides your system drives by default to avoid accidentally wiping your hard drive, and it validates the flash so you know the card or drive will boot and is not corrupted.

Let website visitors flash your OS with “Flash with Etcher”

If you distribute an operating system, Etcher offers a way to let your users install it directly from your website. The site says you can “Offer an easy way for your users to flash your OS using our ‘Flash with Etcher’ feature” and that users can “easily install your OS straight from your website” by adding the “Flash with Etcher” button to your site or blog.

  • Who it is for: projects or companies that publish their own OS image.
  • What you do: add the “Flash with Etcher” button to your site or blog and get the code from the site.
  • What your users get: a way to start flashing your OS from your website rather than downloading an image and finding a flashing tool themselves.

This is a distribution and onboarding feature, not a replacement for the desktop app. The site presents it as a way to make installation easier for your users.

Use Etcher alongside balena’s IoT deployment platform

The site also connects Etcher to balena’s broader IoT offering. It describes “Device deployment and management infrastructure, hosted by balena,” with the first 10 devices always free and fully featured, and a container-based platform for deploying IoT fleets, developing and deploying iteratively, and remotely updating and monitoring devices and code.

Etcher itself is the local flashing tool; the balena platform is for deploying and managing devices after they are set up. If you are building an IoT project, you can use Etcher to prepare the device’s storage and then use balena’s platform for fleet deployment and remote management. The site also points to tutorials and projects, such as balenaSense, for finding an IoT project to try.

What stays the same in every use

Across these scenarios, Etcher’s core behavior is consistent:

  • Cross-platform: works on Windows, Linux, and Mac with no complicated install instructions.
  • Validated flashing: confirms that the flash completed so the card or drive will boot and is not corrupted.
  • Hard-drive friendly: warns you and hides system drives by default.
  • Open source: built with JS, HTML, node.js, and Electron, and described as always free and open source.

The site also notes that Debian (.deb) and Red Hat (.rpm) packages are available, which matters if you are preparing USB media or OS images on Linux systems.

Choosing which use fits you

Your goal Etcher use
Install or try an OS from an ISO Create USB installation media from a bootable ISO
Write an OS to a USB drive or other flash media Install almost any OS to almost any flash drive
Let visitors install your OS from your website Add the “Flash with Etcher” button
Deploy and manage IoT devices after flashing Use Etcher with balena’s device deployment platform

If you only need to flash an SD card for a single-board computer, the standard flashing workflow is enough. The additional uses above become relevant when you are distributing an OS, preparing USB installation media, or managing devices at scale.