SECURITY REPORT · EXTENSHI SCAN

TabMaster: Duplicate Tab Finder & Tab Counter

Chrome extension·by rico
79
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.

Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue

How it ranks

TabMaster: Duplicate Tab Finder & Tab Counter's safety score vs every other extension we've scanned
Globally
35%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,581 extensions
In Productivity
46%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 194,438 productivity extensions
Findings
23
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
346
median 14vs category median

Findings breakdown

Automated security signal · 23 distinct issues across 6 severities
23
distinct issues
detected

Permissions requested

2 risky permissions of 4 total
2 high-risk permissions require attention
This extension requests 4 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
View open tabs

Can see URLs and titles of all open tabs

High
Access browsing history(optional)

Can read and modify your complete browsing history

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Access bookmarks

Can read and modify your saved bookmarks

Are you the author of TabMaster: Duplicate Tab Finder & Tab Counter?

Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.

Claim this extension

Add the badge to your README

Show TabMaster: Duplicate Tab Finder & Tab Counter's live security score on GitHub or in your docs
Extenshi security score badge preview
Markdown
[![Extenshi security score](https://catalog.extenshi.io/api/badge/242302)](https://catalog.extenshi.io/extensions/242302/security)
HTML
<a href="https://catalog.extenshi.io/extensions/242302/security"><img src="https://catalog.extenshi.io/api/badge/242302" alt="Extenshi security score" /></a>

The badge always shows the current score — it updates automatically after every scan.

Scan performed by extenshi.io · Jul 31, 2026
Browser extensions made transparent.