Side Space

Freemium

A Google Chrome Extension to organize Chrome tabs vertically with grouping and cloud sync feature.

Side Space is a browser extension that organizes tabs vertically and utilizes contextual AI to automate research and summarization workflows. It features dedicated spaces for different topics like work or hobbies and includes cloud synchronization for multi-device use. The tool is designed for professionals and researchers who need to manage high volumes of tabs while accessing AI-powered chat and grouping tools (verified: 2026-01-29).

Jan 29, 2026
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Pricing: Freemium
Last verified: Jan 29, 2026
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Key facts

Pricing

Freemium

Use cases

Productivity enthusiasts needing to organize browser tabs into dedicated vertical spaces for work, social media, and personal hobbies (verified: 2026-01-29), Researchers requiring an AI agent to summarize web content and chat with current browser tabs via a side panel (verified: 2026-01-29), Multi-device users who want to synchronize their saved tab spaces and groupings across different browsers like Chrome and Edge (verified: 2026-01-29)

Strengths

The extension provides a vertical tab management interface that allows users to scan and switch between open tabs more efficiently than horizontal layouts (verified: 2026-01-29), Users can categorize tabs into distinct spaces such as shopping or study to maintain focus on one specific topic at a time (verified: 2026-01-29), The tool includes cloud synchronization capabilities to ensure that saved spaces are accessible across multiple browsers and devices (verified: 2026-01-29)

Limitations

The free version restricts users to a maximum of five spaces and limits AI grouping to 1,000 URLs (verified: 2026-01-29), Advanced automation features like Agent Mode and chatting with multiple tabs are gated behind paid Pro or Pro+ subscription tiers (verified: 2026-01-29)

Last verified

Jan 29, 2026

Strengths

  • The extension provides a vertical tab management interface that allows users to scan and switch between open tabs more efficiently than horizontal layouts (verified: 2026-01-29)
  • Users can categorize tabs into distinct spaces such as shopping or study to maintain focus on one specific topic at a time (verified: 2026-01-29)
  • The tool includes cloud synchronization capabilities to ensure that saved spaces are accessible across multiple browsers and devices (verified: 2026-01-29)

Limitations

  • The free version restricts users to a maximum of five spaces and limits AI grouping to 1,000 URLs (verified: 2026-01-29)
  • Advanced automation features like Agent Mode and chatting with multiple tabs are gated behind paid Pro or Pro+ subscription tiers (verified: 2026-01-29)

FAQ

How does the vertical tab management system improve the standard browser experience?

Side Space replaces the traditional horizontal tab bar with a vertical panel located on the side of the screen. This layout makes it easier for users to identify and navigate between numerous open tabs without them becoming cramped or unreadable (verified: 2026-01-29).

What are the specific limitations for users on the free version of the tool?

Users on the free plan are limited to creating five spaces for tab organization and can use AI grouping for up to 1,000 URLs. Additionally, the free tier only allows AI chatting with the current active tab rather than multiple tabs (verified: 2026-01-29).

Can I use this extension across different web browsers and keep my data?

Yes, Side Space supports synchronization across various browsers including Chrome and Edge. It automatically saves the spaces you create, allowing you to access your organized tab groups on different devices through its cloud sync feature (verified: 2026-01-29).