What Are the Tools Listed on the Tab Session Manager Website?

The Tools section lists two separate utilities that work alongside the main Tab Session Manager extension: Session Compressor, a tool for compressing Tab Session Manager sessions, and Save Tab Groups for Tab Session Manager, an additional extension for saving tab groups in Chrome. Neither is the core save/restore feature itself — they are companions that extend or support it. The page gives no download links, requirements, or pricing for either tool, so treat the descriptions below as scope, not setup instructions.

What the main extension does, and where the tools fit

Tab Session Manager is described as a WebExtension for restoring and saving window and tab states, with support for automatic saving. That is the core function: capture the state of your windows and tabs, then restore it later.

The two Tools sit outside that core:

The pattern is straightforward: the main extension saves and restores sessions, Session Compressor acts on those saved sessions, and Save Tab Groups adds a Chrome-specific capability. If you only need basic save/restore, the Tools are not required.

Session Compressor

The page describes it only as "a tool for compressing sessions of Tab Session Manager." It does not state the compression method, the expected input format, whether it runs in the browser or elsewhere, or what happens to a session after compression. What can be said with confidence is the direction of the relationship: it consumes sessions that Tab Session Manager produces, so it is only relevant once you are already saving sessions with the extension.

A reasonable use case, based on the description alone: if your saved sessions accumulate and you want them smaller, this is the listed tool for that job. Before relying on it, confirm on its own page how it is obtained and run — the main site does not say.

Save Tab Groups for Tab Session Manager

This is explicitly labeled an additional extension, and explicitly scoped to Chrome. Its stated purpose is saving tab groups in Tab Session Manager. Two implications follow directly from the wording:

• It is installed separately from the main extension, not bundled with it.
• It is aimed at Chrome users who organize tabs into groups and want those groups captured in their saved sessions.

The page does not describe how group data appears after a restore, or whether it works in browsers other than Chrome. If tab groups are central to how you browse, this is the tool the site points to; if not, it adds nothing you need.

How to decide whether you need them

• Just saving and restoring windows and tabs, including automatic saving? The main extension covers it; skip the Tools.
• Sessions are large and you want them compressed? Session Compressor is the listed option — verify its own instructions first.
• You use Chrome tab groups and want them saved? Save Tab Groups is the listed add-on, installed as a separate extension.

The page also mentions a Session Compressor under Tools alongside translation (via Crowdin) and development instructions, but it provides no feature matrix, version requirements, or compatibility notes for either tool. For anything beyond the one-line descriptions, the individual tool pages are the place to check.