FocusRail — Reading Ruler
Keep your place. Keep your flow.
A calm, movable reading ruler and focus mask for comfortable line-by-line reading on ordinary web pages.
Local-first, lifetime license
Warm translucent reading band
Chrome keyboard toggle
Ruler size and opacity controls
Optional pointer tracking
Local preference persistence
Glow underline, focus window, and color-mask styles
Custom ruler colors
Per-site presets
Custom in-page keyboard shortcuts
Exact-host and wildcard exclusion list
Up to three device activations
Product preview
See FocusRail — Reading Ruler in action
Current release artwork showing the main workflow, key features, and lifetime-license experience.
