Length

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

Length screenshot 1

Cost / License

Free
Open Source (GPL-3.0)

Platforms

GNOME
Linux
Flathub
Flatpak

Length screenshot 1

Length screenshot 2

+3

Length screenshot 3

Length alternatives

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Properties

Lightweight
Privacy focused

Features

Works Offline
Ad-free
No Tracking
No registration required
Pixel Ruler
Measurement-Tools

Tags

Highlights All activities

Recent activities

webtools6 added Length as alternative to RulerOnline
about 1 month ago

Length information

Developed by
Hervé Quatremain
Licensing
Open Source (GPL-3.0) and Free product.
Written in
Python
Alternatives
26 alternatives listed
Badge
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Supported Languages
- English

GitHub repository

32 Stars
5 Forks
0 Open Issues
Updated Dec 2, 2025

Popular alternatives

Length was added to AlternativeTo by Paul on Jan 26, 2025 and this page was last updated Jan 26, 2025.

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AppStores & Other Links

Install from the command line

flatpak install flathub io.github.herve4m.Length

Be careful what you paste into a terminal. Check what a command installs before running it.

What is Length?

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

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