extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Fullsize Image

Chrome extension·by plushbyte
74
/ 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

Fullsize Image's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,748 extensions
In Productivity
29%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 194,452 productivity extensions
Findings
14
median 16Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
95
median 14vs category median

Findings breakdown

Automated security signal · 14 distinct issues across 6 severities
14
distinct issues
detected

Permissions requested

2 risky permissions of 4 total
2 high-risk permissions require attention
This extension requests 4 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
Observe web requests

Can monitor all network requests made by the browser

Medium
Access current tab

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

Medium
Store local data

Can save data locally in the browser for persistence

Are you the author of Fullsize Image?

Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.

Claim this extension

Add the badge to your README

Show Fullsize Image's live security score on GitHub or in your docs
Extenshi security score badge preview
Markdown
[![Extenshi security score](https://catalog.extenshi.io/api/badge/255448)](https://catalog.extenshi.io/extensions/255448/security)
HTML
<a href="https://catalog.extenshi.io/extensions/255448/security"><img src="https://catalog.extenshi.io/api/badge/255448" alt="Extenshi security score" /></a>

The badge always shows the current score — it updates automatically after every scan.

Scan performed by extenshi.io · Aug 20, 2026
Browser extensions made transparent.