# Random User-Agent (Switcher)

> Automatically change the user agent after a specified period of time to a randomly selected one, thus hiding your real user agent

Canonical page: [https://chrome-stats.com/d/random\_user\_agent](https://chrome-stats.com/d/random_user_agent)

## Overview

- **ID:** `random_user_agent`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Paramtamtam
- **Category:** web-development,privacy-security
- **Daily users:** 3,968
- **Weekly downloads:** 762
- **Rating:** 4.00 / 5 (240 ratings)
- **Version:** 4.3.2
- **Last updated:** 2025-07-09
- **First published:** 2017-12-10
- **Size:** 187 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/random_user_agent/)
- **Website:** [https://github.com/tarampampam/random-user-agent/issues](https://github.com/tarampampam/random-user-agent/issues)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/random\_user\_agent/privacy/](https://addons.mozilla.org/firefox/addon/random_user_agent/privacy/)

## Description

The Random User-Agent (Switcher) Chrome extension helps protect your online privacy by automatically changing your browser's user agent at set intervals. This user agent string acts like a browser fingerprint, revealing your device and software details to websites. By randomizing or manually setting user agents, this extension makes it appear as if you're browsing from different devices, safeguarding you from targeted tracking and JavaScript fingerprinting techniques.

Featuring lightweight operation and customizable options, users can select which browsers and operating systems to emulate, and create an exceptions list for specific sites. This extension is completely free, ad-free, and open source, providing a simple yet powerful tool to enhance your anonymity and security while surfing the web.

## Rankings

- #1,374 — Overall
- #147 — Web Development
- #277 — Privacy & Security
- #4 — agent
- #14 — kitchen
- #20 — agenda

## Permissions and access

### Permissions

- `tabs`
- `alarms`
- `storage`
- `scripting`
- `declarativeNetRequest`

### Host permissions

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Users praise Random User-Agent (Switcher) for its solid UA spoofing options, including fixed UA and domain-based white/blacklists. The extension generally receives positive feedback ('good', 'fantastic') and is viewed as useful and configurable, with several users noting it helps bypass certain site constraints. A common request across logs is Android support to auto-switch to desktop UA depending on context, and some users report stability issues after updates. Overall, it's well-liked for flexibility, though platform-specific behavior improvements and update stability are recurring themes.

### Pros

- Robust UA spoofing features including a fixed UA option.
- Domain-based whitelist/blacklist support for targeted spoofing.
- Generally positive reception; users describe it as useful, good, or fantastic.
- Flexible and configurable; easy to set up and use.

## Similar extensions and apps

- [User-Agent Switcher PRO](https://chrome-stats.com/d/user-agent-switcher-pro) — 47 users, 4.00 / 5
- [Random User-Agent](https://chrome-stats.com/d/addons_dws)
- [Random User-Agent](https://chrome-stats.com/d/random_user-agent) — 56 users, 4.43 / 5
- [User-Agent Switcher and Manager](https://chrome-stats.com/d/user-agent-string-switcher) — 83,517 users, 4.08 / 5
- [Random User Agent](https://chrome-stats.com/d/random-ua) — 3 users, 3.61 / 5
- [UserAgent Switch](https://chrome-stats.com/d/useragentswitch) — 13 users, 5.00 / 5
- [Random User-Agent 5](https://chrome-stats.com/d/random-user-agent-5)
- [User-Agent Changer](https://chrome-stats.com/d/user-agent-changer2901) — 45 users
- [Advanced User-Agent](https://chrome-stats.com/d/advanced-user-agent) — 4 users
- [User-Agent Switcher and Simulator](https://chrome-stats.com/d/useragent-simulator-switcher) — 234 users, 4.64 / 5
- [User Agent](https://chrome-stats.com/d/user-agent) — 361 users, 3.29 / 5
- [UA Shuffle](https://chrome-stats.com/d/ua-shuffle) — 1 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/random_user_agent)