extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Regex Tester

Firefox extension·by P. Herron
84
/ 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

Regex Tester's safety score vs every other extension we've scanned
Globally
53%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 401,999 extensions
In Other
22%of other extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 28,708 other extensions
Findings
17
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
0
median 3Declared in manifest
Active users
1
median 2vs category median

Findings breakdown

Automated security signal · 17 distinct issues across 6 severities
17
distinct issues
detected

Permissions requested

0 permissions declared
No permissions requested
This extension doesn't request any browser permissions. That's unusually clean.

Are you the author of Regex Tester?

Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.

Claim this extension

Add the badge to your README

Show Regex Tester's live security score on GitHub or in your docs
Extenshi security score badge preview
Markdown
[![Extenshi security score](https://catalog.extenshi.io/api/badge/403021)](https://catalog.extenshi.io/extensions/403021/security)
HTML
<a href="https://catalog.extenshi.io/extensions/403021/security"><img src="https://catalog.extenshi.io/api/badge/403021" alt="Extenshi security score" /></a>

The badge always shows the current score — it updates automatically after every scan.

Scan performed by extenshi.io · Aug 24, 2026
Browser extensions made transparent.