Complete guide to screen capture and annotation with Flameshot

Last update: 6th October 2026
  • It allows you to take screenshots and add annotations, arrows, and blurs in one step.
  • It is a cross-platform application available for GNU/Linux, Windows, and MacOS.
  • It includes advanced features such as automatic cloud uploads and custom keyboard shortcuts.

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If you're tired of struggling with the default screenshot tools on your system, you're probably looking for something more powerful and flexible. That's where Flameshot comes in , an open-source application developed in C++ and Qt5 that has revolutionized how we manage screenshots on our computers , especially in Linux environments, although it's now fully cross-platform.

What makes this gem stand out from the rest is that it doesn't just take a picture of your monitor; it lets you annotate and edit the image instantly , right before saving it. It's ideal for those who need to create quick tutorials or reports without having to open an external image editor every few minutes.

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What exactly is Flameshot and what are its strengths?

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Flameshot is defined as a lightweight yet powerful tool. Unlike other programs where you first capture the image and then move to an editor, here everything happens in a single step . Once you select the area, an intuitive menu appears that any user, whether a novice or an expert, can easily navigate.

Among its most notable features is the ability to automatically upload captures to Imgur , generating a direct link in the clipboard for sharing the image in seconds. It also includes a D-Bus interface and command-line options for those who prefer to control capture delay or save paths without using a graphical interface.

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Editing and annotation tools

The true magic of Flameshot lies in its built-in tool palette. You can add arrows, lines, rectangles, and circles to highlight whatever you need. If you need to hide sensitive information, the program includes a very handy censor or blur tool .

For a more professional touch, you can adjust the stroke thickness using the mouse wheel and choose custom colors using a hex picker. While some users missed the ability to insert text in older versions, the latest updates allow you to configure text alignment and use a stylus for freehand drawing, although the latter requires a bit more precision.

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Step by step installation guide

Close-up of hands operating a laptop keyboard and trackpad, simulating the action of capturing and editing the screen with annotation software.

Depending on the operating system you use, the process varies, but in general it is very simple:

  • On Debian, Ubuntu, or Linux Mint distributions: You can install it directly from the official repositories by running sudo apt install flameshot in the terminal. Alternatively, you can download the .deb package from Launchpad and install it with sudo dpkg -i.
  • On Arch Linux, Manjaro or Antergos: The fastest way is to use the package manager with the command sudo pacman -S flameshot.
  • On Fedora or CentOS: just use sudo dnf install flameshot.
  • In Windows: You must go to the official website (flameshot.org), enter the downloads section and choose between the standard installer or portable versionThen, it's just a matter of running the file and following the wizard's steps. If you have any questions about Where are screenshots saved in Windows?You can configure the route in the settings.
  • On macOS: The software is compatible and even offers monochrome icons to better integrate with the system's aesthetics.
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Keyboard shortcuts and productivity tricks

To get the most out of the application, it's best not to rely on the mouse to open it. In environments like GNOME, you can create a custom shortcut associated with the ` flamethock gui` command , allowing you to launch the capture tool instantly.

Once you have the capture active, there are several quick commands that will be a lifesaver: Ctrl + C to copy to the clipboard, Ctrl + S to save the file locally, and Ctrl + Z to undo any editing mistakes. If you want to adjust the selected area with pinpoint precision, you can use the arrow keys to move the selection or Shift + arrow to resize it pixel by pixel.

Alternatives and comparisons

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In the Linux ecosystem, Flameshot is often compared to Shutter. While Shutter is extremely comprehensive, it has suffered periods of discontinuation that have led to compatibility issues in modern versions of Ubuntu. Flameshot emerges as its natural successor due to its greater agility and modernity. Another interesting alternative is Kazam, although it focuses more on recording the PC screen than on detailed image annotation.

This tool positions itself as the ultimate solution for those seeking a balance between lightness and power, allowing you to manage everything from numbering elements to precision zooming in the color picker, ensuring that each capture is exactly as we need it before sharing it.

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