extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Twitch Danmaku(NicoNico style)

Edge extension·by Extension Studio
89
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.

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

Twitch Danmaku(NicoNico style)'s safety score vs every other extension we've scanned
Globally
61%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,240 extensions
In Entertainment
60%of entertainment extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,273 entertainment extensions
Findings
8
median 12Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 0Declared in manifest
Active users
335
median 53vs category median

Findings breakdown

Automated security signal · 8 distinct issues across 6 severities
8
distinct issues
detected
Scanners reported 15 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

1 risky permission of 4 total
1 high-risk permission require attention
This extension requests 4 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs

Can see URLs and titles of all open tabs

Medium
Store local data

Can save data locally in the browser for persistence

Low
React to page content

Can show or hide the extension icon based on page content rules

Low
Manage fonts

Can read and modify browser font settings

Are you the author of Twitch Danmaku(NicoNico style)?

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 Twitch Danmaku(NicoNico style)'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/53474)](https://catalog.extenshi.io/extensions/53474/security)
HTML
<a href="https://catalog.extenshi.io/extensions/53474/security"><img src="https://catalog.extenshi.io/api/badge/53474" alt="Extenshi security score" /></a>

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

Scan performed by extenshi.io · Aug 15, 2026
Browser extensions made transparent.