SECURITY REPORT · EXTENSHI SCAN
xDevTools - Developer Utilities
Firefox extension·by xDevTools
84
/ 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
xDevTools - Developer Utilities's safety score vs every other extension we've scanned
Globally
51%of extensions carry more risk
Riskier ←→ Safer
Ranked against 402,594 extensions
In Privacy & Security
42%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,498 privacy & security extensions
Findings
20
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 4Declared in manifest
Active users
42
median 3vs category median
Findings breakdown
Automated security signal · 20 distinct issues across 6 severities
20
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium1995%
Low15%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Read clipboard
Can read text and data currently on your clipboard
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Scan performed by extenshi.io · Aug 25, 2026
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