Is Tab Manager Plus for Chrome Safe? — Extension Safety Profile

Quick verdict: Tab Manager Plus for Chrome earns a safety grade A, 80.6 out of 100, based on 5 of 5 dimensions.

A

80.6/100

Grade A · 5 of 5 checks


What we found

· Data updated

Automated safety profile from public signals (the extension's manifest & permissions, store listing, publisher, privacy policy). A full review hasn't been published yet.

What this safety grade means

Tab Manager Plus for Chrome earns a safety grade of A (80.6/100), measured across 5 of 5 dimensions. Its strongest area is Community Reputation (93%). The weakest is Maintenance & Ownership (30%) — what holds its grade back the most.

On the public records we can check, Tab Manager Plus for Chrome comes through cleanly. 200,000 active users/installs reported on the store. Store rating 4.7/5 from 1,100 user ratings. Last updated on the store 2024-10-02. This is an automated profile, not a hands-on review — so treat the grade as a starting point: open Tab Manager Plus for Chrome's own store listing and privacy policy before installing, and weigh it against the other browser extensions we track below.

Safety Signals

Based on 5 of 5 safety dimensions

DimensionScoreBarSource
Publisher & Identity 60% · 4.8/8 pts Automated signals
Permissions & Access 90% · 22.5/25 pts Automated signals
Data & Privacy 93% · 14.8/16 pts Automated signals
Maintenance & Ownership 30% · 2.3/7.5 pts Automated signals
Community Reputation 93% · 9.3/10 pts Automated signals

In-depth safety analysis

This extension requests the tabs, contextMenus, storage, and favicon permissions. These allow it to view all open tabs and their URLs, save settings and tab groups locally, access page favicons, and add right-click menu items. For a tab manager, this access is expected and necessary to sort, search, and organize tabs. The declared collection of Location data goes beyond what is typical for this type of utility, so a cautious user may want to understand why it is listed.

General browser extensions with tab-level access can technically see visited websites. With any tool that rearranges or closes tabs, a user's trust rests on the developer's reputation and the extension's upkeep. Tab managers are rarely the target of the same clone or phishing risks as financial or wallet extensions, but checking the publisher’s authenticity and update history remains a good habit.

Community Reputation is the strongest dimension at 93%, reflecting a large user base and high average rating in the store. In contrast, Maintenance & Ownership scores only 30%, which suggests there is limited public information about

AI-assisted analysis of the documented signals above (permissions, store data, privacy practices) — explains what they mean and the risks typical for this category. Not a hands-on test.

What the store listing shows

Tab Manager Plus for Chrome listing on the Chrome Web Store
Tab Manager Plus for Chrome on the Chrome Web Store, captured 2026-06-29. View the live listing ↗

Who's Behind Tab Manager Plus for Chrome?

  • Publisher stefanxo.com

Public records identify the publisher, but no individual founders or a separate registered company are named — which is what holds the Publisher & Identity score back. Less public information about who operates an extension means less you can verify about their long-term accountability.

How it compares

Among the 345 browser extensions we track, Tab Manager Plus for Chrome scores higher on safety than 68% of them.

Computed from our own database of assessed browser extensions — updated as we track more.

Evidence on File (12)

Founder public: Publisher publicly identified: stefanxo.com (individual founders not separately named).
Our reports database · Captured 2026-06-26
Registered company: stefanxo.com.
Our reports database · Captured 2026-06-26
Data collection scope: Developer discloses collecting 1 data category (Location).
Source: github.com ↗ · Captured 2026-06-26
Data not sold: Developer declares on the Chrome Web Store that your data is not sold to third parties.
Source: github.com ↗ · Captured 2026-06-26
Data use limited: Developer declares data isn't used for unrelated purposes or to determine creditworthiness/lending.
Source: github.com ↗ · Captured 2026-06-26
Privacy policy present: A privacy policy is linked from the store listing: https://github.com/stefanXO/Tab-Manager-Plus/blob/master/PRIVACY.md
Source: github.com ↗ · Captured 2026-06-26
High-capability permissions: Requests 1 high-capability permission(s): tabs.
Website access scope: Requests no host access — cannot read or change data on the websites you visit.
Manifest version: Built on Manifest V3 (the modern, more sandboxed permission model).
Last updated recency: Last updated on the store 2024-10-02.
Store rating: Store rating 4.7/5 from 1,100 user ratings.
Store users: 200,000 active users/installs reported on the store.

Tab Manager Plus for Chrome FAQ

Is Tab Manager Plus for Chrome safe?
Tab Manager Plus for Chrome earns a safety grade of A (80.6/100) on our evidence-based assessment, based on 5 of 5 safety dimensions we could verify from public records. This is an automated profile built from public records, not a hands-on review.
Who is behind Tab Manager Plus for Chrome?
Tab Manager Plus for Chrome is operated by stefanxo.com.

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Cite this profile: Is Tab Manager Plus for Chrome safe? — ExtensionTrust. ExtensionTrust. https://extensiontrust.com/tool/tab-manager-plus-for-chrome/

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