SECURITY REPORT · EXTENSHI SCAN
Number List Transformer
Firefox extension·by LR
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
Number List Transformer's safety score vs every other extension we've scanned
Globally
42%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Other
16%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 26,888 other extensions
Findings
12
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
1
median 2vs category median
Findings breakdown
Automated security signal · 12 distinct issues across 6 severities
12
distinct issues
detected
detected
Critical00%
High217%
Needs Review00%
Medium975%
Low18%
Info00%
Permissions requested
2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Manage downloads
Can initiate downloads and access your download history
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Write to clipboard
Can place content onto your clipboard
Medium
Read clipboard
Can read text and data currently on your clipboard
Medium
Store local data
Can save data locally in the browser for persistence
Are you the author of Number List Transformer?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Number List Transformer's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 20, 2026
Browser extensions made transparent.