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Preview of Reading Helper Ruler

Reading Helper Ruler by GMT

Add a customizable virtual ruler to any webpage to guide your eyes and improve your focus while reading.

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Customizable settings (extension is disabled)Reading ruler enabled (Orange color)
About this extension
Adjust the ruler to your liking: you can configure your preferences individually for each website, ensuring the best reading experience wherever you browse.
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Permissions and data

Required permissions:

  • Access your data for all websites
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Add-on Links
Version
1.3
Size
29.6 KB
Last updated
2 hours ago (Dec 3, 2025)
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License
All Rights Reserved
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