Flameshot

flameshot.org ↗

Select a screen region, annotate the detail and save the explanation.

SI Score
80/100
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Ask SI about Flameshot

Answers use saved listing facts and recorded sources.
Homepage screenshot
Screenshot of the Flameshot homepage

What it does

Flameshot is a free, open-source screenshot tool for Windows, Mac and Linux. It includes on-screen arrows, text, highlighting, shapes and numbered counters, along with configurable shortcuts and a command-line interface.

Flameshot suits a design review where the useful deliverable is a clear marked screenshot. Drag a selection around the relevant area, add an arrow or numbered counter, then save the image or copy it to the clipboard. Selection edges can move one pixel at a time with the arrow keys, and tool thickness changes with the mouse wheel. Shortcuts, visible buttons and saving behaviour can be configured for repeated capture work.

Delayed capture is useful for menus or hover states that disappear when another window receives focus. The command line can start that capture, choose a save location or copy a chosen screen. On Windows, flameshot-cli.exe supplies console output that the normal executable does not show.

The application is free, with its main code under GPL version 3 or later. macOS requires screen-recording permission. On Linux, the desktop's tray and screenshot permissions can affect operation, particularly under Wayland. The Imgur button uploads the image externally, so local saving and online sharing are distinct actions. Flameshot also cautions that blur and small pixelation blocks can leave sensitive text recoverable.

Strengths

  • Annotations are made directly in the capture workflow.
  • Numbered counters support short visual explanations.
  • Downloads cover three desktop operating systems.

Watch out for

  • Linux capture and shortcuts can need desktop-specific configuration.
  • Blur and light pixelation should not be treated as reliable removal of sensitive text.

Best for

  • Teams sharing annotated screenshots during design review

Sources