User-Agent Switcher PRO

Name: User-Agent Switcher PRO
Rating: 4 (2 reviews)
Author: Matt Glow

Anonymize your browsing by easily switch/spoof/fake User-Agent with what you want. User-Agent selection mode: Manual, Auto, Random

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Features & Capabilities

Extension that allows user to easily switch the User Agent. Useful for developer to test the site-view by quickly switching between desktop and mobile versions. Useful for users who want more privacy while browsing. Unlike other similar extensions this one also intercepts iframes and client-side javascript.

Features:

selection of the preferred User-Agent from a list
User-Agent customization
User-Agent auto-switch every N requests or minutes
User-Agent auto-switch following the "device OS type" rule (to see more, once installed, click on the blue question mark in the popup)

to use the extension while browsing incognito, remember to enable the tick during installation!

User Growth & Download Statistics

Add-on

By:

Daily users:

Rating:

Version:

1.0.2 Last updated: 2023-02-15

Version code:

5527005

Creation date:

2023-02-11

Risk:

Permissions:

Content scripts matches:

<all_urls>

Size:

107.13KB

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-18

Compare stats and ranking:

Ranking

# 15,625 ▼ 309

Other rankings

#21 in agent keyword 65 ▼ 1#48 in kitchen keyword 2 ▼ 1#58 in agenda keyword 30 ▼ 1#111 in switch keyword 28 ▼ 1#206 in pitch keyword 35 ▼ 5

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Matt Glow

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/user-agent-switcher-pro/

User Reviews

112723 It's not able to spoof [aggressive] iframe navigator.userAgent

by cl*****, 2023-11-27

View all user reviews ›

Is User-Agent Switcher PRO Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

User-Agent Switcher PRO requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details

Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

User-Agent Switcher PRO has earned a fairly good reputation and likely 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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