extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Image Downloader - Zip Convert & Compress

Firefox extension·by Toolspy
83
/ 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

Image Downloader - Zip Convert & Compress's safety score vs every other extension we've scanned
Globally
47%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,560 extensions
In Social & Communication
30%of social & communication extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 13,742 social & communication extensions
Findings
11
median 6Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
48
median 4vs category median

Findings breakdown

Automated security signal · 11 distinct issues across 6 severities
11
distinct issues
detected

Permissions requested

4 risky permissions of 6 total
1 critical permission require attention
This extension requests 6 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites

Can read and modify content on every website you visit

High
Manage downloads

Can initiate downloads and access your download history

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
Store local data

Can save data locally in the browser for persistence

Medium
Access current tab

Can temporarily access the content of the active tab when you click the extension

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Scan performed by extenshi.io · Oct 19, 2026
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