SECURITY REPORT · EXTENSHI SCAN
SlimFit — Image Compressor, No Upload
Firefox extension·by Mrrage
90
/ 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
SlimFit — Image Compressor, No Upload's safety score vs every other extension we've scanned
Globally
62%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,522 extensions
In Photos Music Videos
36%of photos music videos extensions carry more risk
Riskier ←→ Safer
Ranked against 11,112 photos music videos extensions
Findings
6
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
1
median 3Declared in manifest
Active users
0
median 6vs category median
Findings breakdown
Automated security signal · 6 distinct issues across 6 severities
6
distinct issues
detected
detected
Scanners reported 7 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High117%
Needs Review00%
Medium583%
Low00%
Info00%
Permissions requested
1 permission declared
No risky permissions
1 permission requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 24, 2026
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