Raspberry Pi Imager Makes Flashing OS Images Easier on Windows, macOS and Ubuntu

Most regular readers of this blog will probably find flashing operating system images to a MicroSD card to be child play. Just download the latest OS image, install balenaEtcher, select the image, the MicroSD card and you’re done.

But people who have never used such tools may find it a bit confusing, so the Raspberry Pi Foundation has developer and now released a tool – Raspberry Pi Imager – working on Windows, macOS, and Ubuntu that makes it even easier.

You’ll find the tool for your OS of choice on the Download page on Raspberry Pi website. I’ve given it a try in Ubuntu 18.04. Click on Operating System will bring you a list of the latest supported operating systems, an option to fully erase the MicroSD card, and another to install your own – already downloaded – custom image.

Raspberry Pi Imager OS Selection

I’ve selected Raspbian 2020-02-13, inserted my SD card and selected it.

Select Operating System and SD CardTo get started simply click on the Write button, and here to my surprise it just started to write immediately. That means instead of downloading the image, and then flashing, the utility flashes the image as it receives the data which should save some time.

Raspberry Pi Imager Write

The Raspberry Pi Foundation also explains the utility caches the image, so next time the image does not need to be downloaded again. After a while, the write operation completed successfully.

Raspbian Flashed Successfully

Note there does not seem to be a verification step like in balenaEtcher to make sure there aren’t any issues with the MicroSD card or downloaded file.

Raspberry Pi Imager is based on PiBakery, but is meant to be simpler to use. The latter is for advanced users, and allows you to set the password, configure WiFi, SSH, a VNC server, etc… before flashing the image.

Raspberry Pi Imager is open-source and released under an Apache License. You’ll find the source code on Github. Based on the comments in the announcement post, the utility can also run on a Raspberry Pi board, but at this time, it needs to be compiled from source, and there’s no pre-built binary image for download.

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