SECURITY REPORT · EXTENSHI SCAN
Preview Test Thumbnails
Chrome extension·by Waishnav
72
/ 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
Preview Test Thumbnails's safety score vs every other extension we've scanned
Globally
17%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Lifestyle
17%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 48,249 lifestyle extensions
Findings
21
median 12Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
1
median 1Declared in manifest
Active users
159
median 25vs category median
Findings breakdown
Automated security signal · 21 distinct issues across 6 severities
21
distinct issues
detected
detected
Scanners reported 31 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical15%
High210%
Needs Review00%
Medium1467%
Low314%
Info15%
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 15, 2026
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