extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Better PDF Viewer

Chrome extension
69
/ 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

Better PDF Viewer's safety score vs every other extension we've scanned
Globally
14%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 392,440 extensions
In Productivity
18%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 188,570 productivity extensions
Findings
28
median 16Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
6
median 14vs category median

Findings breakdown

Automated security signal · 28 distinct issues across 6 severities
28
distinct issues
detected
Scanners reported 32 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

3 risky permissions of 7 total
3 high-risk permissions require attention
This extension requests 7 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
Observe web requests

Can monitor all network requests made by the browser

High
View open tabs

Can see URLs and titles of all open tabs

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

Medium
Block requests with host access

Can block or redirect network requests and requires host permissions

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Medium
Store local data

Can save data locally in the browser for persistence

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 · Sep 21, 2026
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