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SECURITY REPORT · EXTENSHI SCAN

Dual Preview: Mobile View & Responsive Tester

Chrome extension·by Kamil Łukasiewicz
58
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.

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

Dual Preview: Mobile View & Responsive Tester's safety score vs every other extension we've scanned
Globally
4%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,596 extensions
In Productivity
5%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 198,328 productivity extensions
Findings
307
median 16Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
9
median 3Declared in manifest
Active users
330
median 13vs category median

Findings breakdown

Automated security signal · 307 distinct issues across 6 severities
307
distinct issues
detected

Permissions requested

5 risky permissions of 9 total
1 critical permission require attention
This extension requests 9 permissions in total. 5 of them grant broad capabilities that are worth a careful look.
Critical
Browser debugger access

Can attach to tabs and inspect/modify all page data using Chrome DevTools protocol

High
Delete browsing data

Can remove browsing history, cookies, cache, and other browsing data

High
Access browsing history

Can read and modify your complete browsing history

High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

High
Observe web requests

Can monitor all network requests made by the browser

Medium
Block requests with host access

Can block or redirect network requests and requires host permissions

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Unlimited local storage

Can store large amounts of data locally without size limits

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

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Scan performed by extenshi.io · Aug 13, 2026
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