Vertical Marks is an advanced bookmark manager designed specifically for Firefox’s sidebar. It gives you quick access to your bookmarks without cluttering your browsing space. Key Features Smart Organization

Navigate with back/forward controls
Quick access bar for favorites and recently used bookmarks
Customizable separators for organizing bookmarks

Personalization

Custom icons for folders and bookmarks (emoji, URL, or text)
Multiple view modes: List and Compact
Adjustable font size, weight, and icon size
System colors or custom background themes
Support for 9 languages (Turkish, English, German, Russian, French, Italian, Spanish, Arabic, Standard Galactic Alphabet)

Powerful Tools

Real-time search across all bookmarks
Custom sorting: alphabetical, recently used, or most frequently used
Multi-select with drag-and-drop support
Trash with automatic cleanup (configurable retention period)

Productivity

Open all bookmarks within a folder at once
Import/export bookmarks for backup
Cloud synchronization features
Keyboard shortcuts for quick navigation
Context menu with comprehensive actions

Privacy & Permissions Vertical Marks requires only essential permissions:

bookmarks: to create, edit, and organize your bookmarks
storage: to save your settings and preferences
tabs: to open bookmarks in new or existing tabs

Your data remains on your device. Cloud synchronization is optional and requires your explicit consent. Open Source Licensed under the Mozilla Public License 2.0. This extension is developed by a student and is open to contributions.

Headan Tools

Published Firefox add-on:

Vertical Marks