Chrome extension source viewer

View source code of Chrome extensions, Firefox addons or Opera extensions (crx/nex/xpi) from the Chrome web store and elsewhere.

Chrome Extension Source Viewer

The Chrome Extension Source Viewer allows users to access and explore the source code of any Chrome extension directly from the Chrome Web Store and beyond, without the need to install the extension itself. This powerful tool integrates a button right within the Chrome Web Store to facilitate quick downloads and source viewing.

Key Features:

Download & View Source: Download any extension as a zip file or view source code directly with tools for file filtering, content search (literal or regexp), and automatic beautification.
Comprehensive Support: Not only supports Chrome extensions but also Opera, Edge, and Firefox add-ons, with full incognito mode support and hash generation for security.
Enhanced Functionality: Features like syntax highlighting, image preview, and permalink sharing enhance the user experience, making it easier to navigate and analyze the code.

For more information and installation, visit GitHub.

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By:: Rob W
Users:: 100,000+
Rating:: 4.59
(426)
Version:: 1.7.0 (Last updated: 2023-12-11)
Creation date:: 2019-08-30
Risk:: High risk impact Very low risk likelihood
Permissions:: tabs
storage
contextMenus
downloads
declarativeContent
Host permissions:: *://clients2.google.com/service/update2/crx*
*://clients2.googleusercontent.com/crx/download/*
Size:: 232.45K
Email:: ro*****@robwu.nl
URLs:: Privacy policy
Full description:: See detailed description
Source:: Chrome Web Store
Updated:: a day ago

Ranking

# 1,860 ▲ 11

Other rankings

#1633 in Developer Tools

#1 in source code keyword 27

#2 in source keyword 29

#8 in chrome extension keyword 88 ▲ 1

#12 in viewer keyword 72 ▲ 2

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Other platforms

Extension source viewer (v1.7.0)

1,624+ 4.80

(113)

User reviews

Pros

Very useful for checking permissions and source code of extensions
Helps users learn about making browser extensions
Works well for both security and modification of existing extensions
Updated to function properly with the new Chrome Web Store
Easy to use and navigate

Cons

Doesn't work on some extensions or after updates to the Chrome Web Store
Some users experienced crashes when trying to uninstall
Temporary malfunctions due to changes in the Chrome Web Store

Most mentioned

Ability to view and inspect source code before installation
Quick updates by developers to ensure functionality
User-friendliness and ease of navigation

These summaries are automatically generated weekly using AI based on recent user reviews. User reviews may be inaccurate, spammy, or outdated.

User reviews

Very useful. I used this extension to check whether it needed the tabs permission. It doesn't, it could use activeTab instead, so I have knocked 1 star off.

Mythical 5th, 2025-03-08

Doesn't work

Maroš Jendrál, 2025-01-13

thx for author, very usefull extention <3

shishak_ne, 2024-10-27

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Extension safety

Risk impact

Chrome extension source viewer requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

Chrome extension source viewer has earned a good reputation and can be trusted.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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