What is Notion Line?
Notion Line is a lightweight Chrome extension that adds a subtle vertical line to Notion lists. It helps you see structure at a glance—great for bullets, toggles, and numbered items. No setup needed. Clean, minimal, and works seamlessly in light and dark mode.
Problem
Users managing hierarchical lists in Notion struggle to visually distinguish nested layers in bullets, toggles, and numbered items, leading to reduced clarity and organization efficiency
Solution
A Chrome extension that adds subtle vertical lines to Notion lists, enabling instant visual hierarchy recognition without configuration. Example: Automatically displays indentation levels in dark/light modes
Customers
Notion power users like project managers, researchers, and students who frequently create nested lists for task management, documentation, or note-taking
Unique Features
Zero-configuration visual aid compatible with all Notion themes, minimalist design that preserves Notion's native interface integrity
User Comments
Finally makes nested lists readable at a glance
Perfectly integrates with dark mode
Should be native to Notion
Simple but transformative
Works immediately after install
Traction
500+ upvotes on ProductHunt launch day
10,000+ active Chrome Web Store installs
Featured in Notion's official community resources
Market Size
Notion's 30 million+ user base (2023), with 65% using list-heavy workflows according to internal analytics
