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Apps / Length

Length

Measure objects on screen

Hervé Quatremain ✓ Verified

io.github.herve4m.Length
View on Flathub ↗

GNOME application for measuring distances on screen to help you design and inspect layouts and graphics. Length includes the following features:

  • Pixels, centimeters, inches, picas, points, or percentages as units
  • Horizontal or vertical orientation
  • Left-to-right or right-to-left orientation
  • Transparency levels
  • Track pointer position
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Screenshots

Horizontal view of Length with pixels as units
Horizontal view of Length with pixels as units
Vertical view of Length with inches as units
Vertical view of Length with inches as units
Length main menu
Length main menu
Preferences window
Preferences window
Pointer tracking enabled
Pointer tracking enabled
Right to left ruler orientation
Right to left ruler orientation

Observed history

App ChangeVersionWhen ↑
updated0.11.130 Sept 2026

Upstream releases

Release notes supplied by the developer. These dates are not Flathub package publication times.

0.11.130 Sept 2026

When the pointer is locked, display the Euclidean distance (diagonal) between the locked position and the current pointer position

0.11.029 Sept 2026

When the pointer is locked, display the delta between the locked position and the current pointer position

0.10.216 May 2026

Add the vertical or horizontal CSS class to the application window

0.10.129 Sept 2025

Fix inaccurate measures for the diagonal rulers