SECURITY REPORT · EXTENSHI SCAN
KatFetch — Image & GIF Downloader
Chrome extension·by kitkat2929
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
KatFetch — Image & GIF Downloader's safety score vs every other extension we've scanned
Globally
17%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
23%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
30
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
9
median 3Declared in manifest
Active users
23
median 14vs category median
Findings breakdown
Automated security signal · 30 distinct issues across 6 severities
30
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.
Critical13%
High517%
Needs Review00%
Medium2480%
Low00%
Info00%
Permissions requested
3 risky permissions of 9 total
3 high-risk permissions require attention
This extension requests 9 permissions in total. 3 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
High
Manage downloads
Can initiate downloads and access your download history
High
Observe web requests
Can monitor all network requests made by the browser
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
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
Show notifications
Can display desktop notifications outside the browser
Low
Use side panel
Can display content in the browser side panel
Low
Create offscreen documents
Can create hidden documents for background processing tasks
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Scan performed by extenshi.io · Aug 16, 2026
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