SECURITY REPORT · EXTENSHI SCAN
Free Mobile Viewer
Firefox extension·by LepetitJu
0
/ 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
Free Mobile Viewer's safety score vs every other extension we've scanned
Globally
35%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Web Development
20%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 14,329 web development extensions
Findings
8
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
0
median 3vs category median
Findings breakdown
Automated security signal · 8 distinct issues across 6 severities
8
distinct issues
detected
detected
Critical113%
High113%
Needs Review00%
Medium563%
Low113%
Info00%
Permissions requested
1 risky permission of 4 total
1 critical permission require attention
This extension requests 4 permissions in total. 1 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
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
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Are you the author of Free Mobile Viewer?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Free Mobile Viewer's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 9, 2026
Browser extensions made transparent.