Collection Tab

About

Manage your work, hobbies, and daily sites as cards organized into collections.
Batch-save your open tabs into collections, or open all cards in a collection with a single click.
You can also drag and drop individual tabs directly into collections to register them.
Designed for clarity, cards display only the favicon and title.
Reorder collections and cards effortlessly with drag-and-drop to keep your most important links right where you need them.
You can also collapse collections you rarely use to keep your view clean.
Fully customizable layout lets you adjust the look and feel of your cards to your preference.
Secure and private: All data is stored locally in your browser with no external transmission.
No account registration is required.
Includes JSON import/export functionality for backups or migrating your collections to a new PC.
A simple yet powerful tab management extension.

🔻Key Features
# Manage tabs as cards within collections
# Create multiple collections
# Batch add open tabs to collections
# Open all cards in a collection at once
# Drag-and-drop to add individual tabs
# Drag-and-drop to reorder collections and cards
# Edit and delete collections, card titles, and URLs
# Customizable layout: Adjust columns, spacing, border radius, and toggle compact mode
# Theme support: Light, Dark, and System default
# English and Japanese language support
# JSON Import/Export for data backup and migration
# Memo function (Bonus feature)