Firefox Add-ons
47Versions
0Code reviewed

Not reviewed

No code review on record

We have not reviewed this extension’s code, so we cannot vouch for it either way. Check the permissions below to decide whether it asks for more than it needs.

Want us to read this extension's code? Ask for a review and we'll queue it.

What our analysis found

Dark Reader, used by 1,276,169 people, is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites. It comes from a trusted publisher and was last updated in July 2026.

Dark Reader

Dark Reader

ID: darkreader

Extension Info & Metadata

Status
Active
Version
4.9.129
Size
0.82 MB
Rating
4.5/5
Reviews
6,908
Users
1,276,169
Type
Extension
Updated
Jul 14, 2026
Category
N/A
Price
Free
Featured
Yes
Visibility
Listed
Mature
No
By Google
No
Trusted
No
This publisherTrack record
8extensions
All still listed

Publisher Contextual Analysis

Trusted
Author
Dark Reader LtdView Profile
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
Yes
Mailbox exists
Yes
Website
Visit
Extensions
8
Active
5
Obsolete
0
Listed
8
Unlisted
0
Users
9,620,926

Screenshots & videos

Screenshot 1
Screenshot 2

Install growth

Item
Type
Severity
Description
<all_urls>
Host
Critical
Broad host access — the extension can read/modify content on every website.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation• 15% increase: Older manifest version lacks modern security controls• 10% increase: About:blank access enables potential sandbox escape vectors
Broad Host Permissions
Risk Factor
High
This extension has broad host permissions allowing it to access many or all websites.
Broad Content Script Access
Risk Factor
High
This extension can inject scripts into any website.
storage
Permission
Medium
This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.
tabs
Permission
Medium
This permission enables tab management and monitoring. Rated Medium because it can track open tabs, access tab metadata, and monitor user browsing patterns.
Early Content Script Execution
Risk Factor
Medium
This extension runs content scripts at document_start.
About:blank Access
Risk Factor
Medium
This extension can run content scripts in about:blank pages.
Older Manifest Version
Risk Factor
Medium
This extension uses Manifest Version 2
alarms
Permission
Low
This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data.
contextMenus
Permission
Low
This permission adds items to browser context menus. Rated Medium because it only modifies right-click menus without access to page content.
theme
Permission
Low
This permission (Firefox) changes the browser theme. Rated Low because it only affects visual appearance.

Gain full insight into all external connections.

Upgrade for full visibility.

About this extension

Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.

User reviews

Extension files

Browse and explore files within this extension package

Gain full insight into all external connections.

Upgrade for full visibility.

URLs
16

URLs

View the external URLs this extension communicates with to understand its network activity and data interactions.

No URLs found
No IP addresses found

Gain full insight into all external connections.

Upgrade for full visibility.

Showing 1 to 10 of 50 rows
Rows per page:

Code Diff

Compare extension code between any two versions.

0 changed files detected

No comparable text files found between these versions.

Gain full insight into all external connections.

Upgrade for full visibility.

More from Dark Reader Ltd