SECURITY REPORT · EXTENSHI SCAN
Font Size Decrease
Firefox extension·by Stefan vd
0
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
Font Size Decrease's safety score vs every other extension we've scanned
Globally
90.82%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
80.82%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
15
median 38Lower is safer
Risky permissions
1
median 1Critical + high perms
Total permissions
5
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 15 distinct issues across 6 severities
15
distinct issues
detected
detected
Scanners reported 19 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High00%
Needs Review00%
Medium1493%
Low17%
Info00%
Permissions requested
1 risky permission of 5 total
1 high-risk permission require attention
This extension requests 5 permissions in total. 1 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
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
Medium
Add context menu items
Can add custom items to the right-click context menu
Info
*://*.stefanvd.net/*
No additional information available.
Are you the author of Font Size Decrease?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Font Size Decrease's live security score on GitHub or in your docs
Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
Browser extensions made transparent.