Chrome Web Store

8Versions

0Code reviewed

Not reviewed

No code review on record

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11 indicators in this extension

11 indicators

0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

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What our analysis found

Close Duplicate Tabs, used by 20,000 people, is not yet reviewed by Extension Auditor. It comes from a trusted publisher and was last updated in December 2025.

Close Duplicate Tabs Chrome extension security report

ID: egeikhkjmnnmaihaaoiapbiboahaogcj

Supported Languages

🇺🇸US English

Extension Info & Metadata

Status

Active

Version

3.1.0

Size

0.05 MB

Rating

4.0/5

Reviews

Users

20,000

Type

Extension

Updated

Dec 21, 2025

Publisher Contextual Analysis

Trusted

Author: lukaspolak.com
Privacy: Privacy Policy
Help: Help Center
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: No
Mailbox exists: Yes
Website: Visit

Extensions

Active

Obsolete

Listed

Unlisted

Users

20,628

Screenshots & videos

Install growth

User Growth

Showing data from Sep 10, 2023 to Sep 08, 2024

Versions

+50%(+10,000 users)

Compared to 3 months ago

1 version released in this period

Rating Count

Total: 1 ratings

Average Rating

Current: 5.00 / 5.0+5.00

See plans

React Flow

Internal permhash`58dd7981ab…`
Too common to be evidence

11,413 other extensions carry this fingerprint, 2,066 of them known malicious. A permission set this common is not evidence on its own; the most installed members are listed for reference.

Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
+11,406 more

Permhash (Mandiant)`3fa4ea71dc…`
Too common to be evidence

7,711 other extensions carry this fingerprint, 1,319 of them known malicious. A permission set this common is not evidence on its own; the most installed members are listed for reference.

Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
+7,704 more

Network indicators

2 URLs and 0 IP literals were extracted from this version.

Item	Type	Severity	Description
tabs	Permission	Medium	This permission enables tab management and monitoring. Rated Medium because it can track open tabs, access tab metadata, and monitor user browsing patterns.
storage	Permission	Medium	This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.

11 indicators in this extension

11 indicators

0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99 Start 7-day trial — all reports

One-time payment · Secure checkout by Stripe

About this extension

Close all duplicate tabs

Read the publisher’s full description

Instantly close all duplicate tabs with one click. Hit the "Close Duplicate Tabs" button in your toolbar and watch your browser get organized!

User reviews

3.4 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

Установил и через несколько минут снёс его нах_е_р как совершенно бесполезный. Если кому-то будет нужно знать: Cent Browser Версия 5.2.1168.83 (Официальная сборка), (64 бит) (Portable) (Chromium 134.0.6998.136) upd. Чтобы поставить оценку "1" и оставить отзыв, этот шлак пришлось установить повторно. upd2. Разработчик пишет: "Based on the description, here are some potential fixes to try..." Lukas Polak, а браузер или систему переустановить не надо? Ну а что, вдруг поможет!

El viaje definitivo·30 Sept 2026

Extension files

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URLs

View the external URLs this extension communicates with to understand its network activity and data interactions.

No URLs found

No IP addresses found

11 indicators in this extension

11 indicators

0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99 Start 7-day trial — all reports

One-time payment · Secure checkout by Stripe

Version	Size	Verdict	Findings	Permhash
3.1.0 Latest	0.05 MB	Not scanned	—	3fa4ea71dc11b9374d4f5997fcabd538e6e6db1f0225f2f32e92afe3c699b5ba
3.0.0	0.03 MB	Not scanned	—	32d3fedad4cfedcc9ea856b5cad0607b18233a469570c39bfd1968a20075ebad
2.2	0.01 MB	Not scanned	—	3fa4ea71dc11b9374d4f5997fcabd538e6e6db1f0225f2f32e92afe3c699b5ba
2.0	0.01 MB	Not scanned	—	3fa4ea71dc11b9374d4f5997fcabd538e6e6db1f0225f2f32e92afe3c699b5ba
1.2	0.08 MB	Not scanned	—	3fa4ea71dc11b9374d4f5997fcabd538e6e6db1f0225f2f32e92afe3c699b5ba
1.1	0.08 MB	Not scanned	—	3fa4ea71dc11b9374d4f5997fcabd538e6e6db1f0225f2f32e92afe3c699b5ba
1.0	0.11 MB	Not scanned	—	3fa4ea71dc11b9374d4f5997fcabd538e6e6db1f0225f2f32e92afe3c699b5ba
2.1	0.01 MB	Not scanned	—	3fa4ea71dc11b9374d4f5997fcabd538e6e6db1f0225f2f32e92afe3c699b5ba

Showing 1 to 8 of 10 rows

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Code Diff

Compare extension code between any two versions.

0 changed files detected

No comparable text files found between these versions.

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Not reviewed

11 indicators in this extension

What our analysis found

Close Duplicate Tabs Chrome extension security report

Supported Languages

Extension Info & Metadata

Publisher Contextual Analysis

Screenshots & videos

Install growth

User Growth

Rating Count

Average Rating

Threat relationships

Internal permhash`58dd7981ab…`
Too common to be evidence

Permhash (Mandiant)`3fa4ea71dc…`
Too common to be evidence

Network indicators

Security analysis

Manifest File Security Analysis

11 indicators in this extension

Store listing & files

About this extension

User reviews

User Reviews

Extension files

Network indicators

URLs

11 indicators in this extension

Versions & changes

Version History

Code Diff

More from lukaspolak.com

Popular in Workflow & Planning

User Growth

Rating Count

Average Rating

User Reviews

Threat relationships

Internal permhash`58dd7981ab…`
Too common to be evidence

Permhash (Mandiant)`3fa4ea71dc…`
Too common to be evidence

Network indicators

Not reviewed

11 indicators in this extension

What our analysis found

Close Duplicate Tabs Chrome extension security report

Supported Languages

Extension Info & Metadata

Publisher Contextual Analysis

Screenshots & videos

Install growth

User Growth

Rating Count

Average Rating

Threat relationships

Internal permhash58dd7981ab…Too common to be evidence

Permhash (Mandiant)3fa4ea71dc…Too common to be evidence

Network indicators

Security analysis

Manifest File Security Analysis

11 indicators in this extension

Store listing & files

About this extension

User reviews

User Reviews

Extension files

Network indicators

URLs

11 indicators in this extension

Versions & changes

Version History

Code Diff

Related extensions

More from lukaspolak.com

Popular in Workflow & Planning

User Growth

Rating Count

Average Rating

User Reviews

Threat relationships

Internal permhash58dd7981ab…Too common to be evidence

Permhash (Mandiant)3fa4ea71dc…Too common to be evidence

Network indicators

Internal permhash`58dd7981ab…`
Too common to be evidence

Permhash (Mandiant)`3fa4ea71dc…`
Too common to be evidence

Internal permhash`58dd7981ab…`
Too common to be evidence

Permhash (Mandiant)`3fa4ea71dc…`
Too common to be evidence