SECURITY REPORT · EXTENSHI SCAN
3MF to U1 - Universal Snapmaker Converter
Firefox extension·by Eric Reid
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
3MF to U1 - Universal Snapmaker Converter's safety score vs every other extension we've scanned
Globally
19%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Other
5%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 26,888 other extensions
Findings
19
median 3Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
101
median 2vs category median
Findings breakdown
Automated security signal · 19 distinct issues across 6 severities
19
distinct issues
detected
detected
Scanners reported 21 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical211%
High211%
Needs Review00%
Medium1474%
Low15%
Info00%
Permissions requested
1 risky permission of 6 total
1 high-risk permission require attention
This extension requests 6 permissions 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
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://makerworld.com/*
No additional information available.
Info
https://*.makerworld.com/*
No additional information available.
Info
https://www.printables.com/*
No additional information available.
Info
https://www.thingiverse.com/*
No additional information available.
Are you the author of 3MF to U1 - Universal Snapmaker Converter?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show 3MF to U1 - Universal Snapmaker Converter's live security score on GitHub or in your docs
Scan performed by extenshi.io · Jul 25, 2026
Browser extensions made transparent.