Chrome Web Store

7Versions

0Code reviewed

Not reviewed

No code review on record

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12 indicators in this extension

12 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

HTML Tag Error Checker, used by 6,000 people, is not yet reviewed by Extension Auditor. It comes from a trusted publisher and was last updated in March 2026.

HTML Tag Error Checker Chrome extension security report

ID: dgboealbpckjkjfhabahfgnjlaeghglh

Supported Languages

🇺🇸English

🇯🇵Japanese

Extension Info & Metadata

Status

Active

Version

16.3.1

Size

1.66 MB

Rating

5.0/5

Reviews

Users

6,000

Type

Extension

Updated

Mar 30, 2026

Publisher Contextual Analysis

Trusted

Author: app.macha795.com
Privacy: Privacy Policy
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

18,888

Screenshots & videos

Install growth

User Growth

Showing data from May 02, 2024 to May 01, 2025

Versions

No change in user count

Compared to 3 months ago

4 versions released in this period

See plans

React Flow

Internal permhash`2d358c2ad1…`
Too common to be evidence

741 other extensions carry this fingerprint, 96 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
+734 more

Permhash (Mandiant)`86f95a3e0f…`
2 malicious

69 other extensions carry this fingerprint; 2 of the cluster are known malicious.

Withheldmalicious
Withheldmalicious
Withheldnot flagged
Withheldnot flagged
Withheldnot flagged
Withheldnot flagged
Withheldnot flagged
+62 more

Network indicators

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

Item	Type	Severity	Description
activeTab	Permission	Medium	This permission grants temporary access to the current tab. Rated Medium because it can access current page content when invoked, though limited to user-initiated actions.
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.
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.
contextMenus	Permission	Low	This permission adds items to browser context menus. Rated Medium because it only modifies right-click menus without access to page content.

12 indicators in this extension

12 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

Check the HTML start and end tags for problems.

Read the publisher’s full description

This extension displays errors in the HTML code of the page you are viewing, such as mistakes in the opening and closing tags. ## Main Features - Displays results in a separate tab - Shows the number of errors on the icon - Automatic checking - Settings for sites you want to automatically check - Exclusion settings for specified sites - Custom warning rules - HTML File Analysis ## Caution The code is checked using JavaScript, so no data is sent externally. Behavior may be unpredictable on pages that use forms, such as login screens.

User reviews

5.0 out of 5 · 1 most recent review

Text reviews

Positive

Negative

good extension very useful when check html error ... thank you

Diamond Soh - Dotnetko Web Studio·12 Jul 2025

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

12 indicators in this extension

12 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
16.3.1 Latest	1.66 MB	Not scanned	—	86f95a3e0f928bfeb65af7e33b67faeac32d13a82459ab33891021f2d438b890
16.2.1	1.55 MB	Not scanned	—	86f95a3e0f928bfeb65af7e33b67faeac32d13a82459ab33891021f2d438b890
1.1.0	1.54 MB	Not scanned	—	86f95a3e0f928bfeb65af7e33b67faeac32d13a82459ab33891021f2d438b890
0.1.1	1.55 MB	Not scanned	—	86f95a3e0f928bfeb65af7e33b67faeac32d13a82459ab33891021f2d438b890
0.1.0	1.55 MB	Not scanned	—	86f95a3e0f928bfeb65af7e33b67faeac32d13a82459ab33891021f2d438b890
0.0.2	1.54 MB	Not scanned	—	4e7b4515bfa1d76e5f3231a3e4df288214e50b5d6b2e9919ceacf81984984063
0.2.0	1.55 MB	Not scanned	—	86f95a3e0f928bfeb65af7e33b67faeac32d13a82459ab33891021f2d438b890

Showing 1 to 7 of 10 rows

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Code Diff

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0 changed files detected

No comparable text files found between these versions.

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Not reviewed

12 indicators in this extension

What our analysis found