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SECURITY REPORT · EXTENSHI SCAN

SleepyTabs - Tab Suspender & Manager

Firefox extension·by Sato
100
/ 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

SleepyTabs - Tab Suspender & Manager's safety score vs every other extension we've scanned
Globally
99%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked across every extension we scan
In its category
89.65%of its category extensions carry more risk
This extension
Riskier ←→ Safer
Ranked within its category
Findings
1
median 38Lower is safer
Risky permissions
4
median 1Critical + high perms
Total permissions
10
median 4All declared perms
Critical findings
0
median 2Severity = Critical

Findings breakdown

Automated security signal · 1 distinct issue across 6 severities
1
distinct issues
detected

Permissions requested

4 risky permissions of 10 total
1 critical permission require attention
This extension requests 10 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites(optional)

Can read and modify content on every website you visit

High
View open tabs

Can see URLs and titles of all open tabs

High
Manage downloads

Can initiate downloads and access your download history

High
Execute scripts in pages(optional)

Can inject and execute JavaScript code in web pages

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Add context menu items

Can add custom items to the right-click context menu

Medium
Show notifications

Can display desktop notifications outside the browser

Medium
Access session data

Can query and restore recently closed tabs and windows

Low
Schedule tasks

Can schedule periodic background tasks

Low
Manage tab groups

Can create and manage tab groups

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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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