SECURITY REPORT · EXTENSHI SCAN
Cert Tool
Chrome extension·by mkontani
73
/ 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
Cert Tool's safety score vs every other extension we've scanned
Globally
20%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,831 extensions
In Productivity
25%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 202,458 productivity extensions
Findings
19
median 17Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
1
median 3Declared in manifest
Active users
66
median 14vs category median
Findings breakdown
Automated security signal · 19 distinct issues across 6 severities
19
distinct issues
detected
detected
Scanners reported 20 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High316%
Needs Review00%
Medium1263%
Low316%
Info15%
Permissions requested
1 risky permission of 1 total
1 high-risk permission require attention
This extension requests 1 permission in total. 1 of them grant broad capabilities that are worth a careful look.
High
Manage downloads
Can initiate downloads and access your download history
Are you the author of Cert Tool?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Cert Tool's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 21, 2026
Browser extensions made transparent.