NDT User-Agent Manager

by NDT Solutions · nguyenduytan.com · Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 20 Oct 2026

Switch, validate, and manage User-Agent profiles with a clean, privacy-first workflow.

Users

+5 in 30 days

Rating

5.0 / 5

+5.00 in 30 days

Ratings

+1 in 30 days

Store rank

#221K

#185K among extensions

Version

1.0.2

updated 12 Sep 2026

Users

monthly, 1 months

Latest, 20 Oct 2026: 7 usersMove the mouse over the chart for any month

Ratings count

monthly, 1 months

Latest, 20 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About NDT User-Agent Manager

🧭 NDT User-Agent Manager — Switch & Manage User-Agent Profiles A modern, privacy-first extension for switching, testing, and managing browser User-Agent profiles with a fast and clean workflow. Choose from an up-to-date catalog of browser and device profiles, apply a profile to the current tab or all tabs, create and validate custom User-Agent strings, and inspect the active browser identity using a dedicated test page. ✨ Key Features 🌐 Updated User-Agent Profiles Choose from regularly updated browser and device profiles for desktop and mobile environments. 🔎 Searchable Browser & Device Selector Quickly find the browser, operating system, or device profile you need. ⚡ Apply Instantly Apply a User-Agent profile to the current tab or all open tabs. ⭐ Favorites & Recent Profiles Save frequently used profiles as favorites and quickly access recently used profiles. 📌 Pin Favorite Profiles Pin important profiles to the top of the list for faster access. 🗺️ Per-Site Profile Mapping Assign a specific User-Agent profile to one or multiple domains for automatic per-site switching. 🛠️ Custom User-Agent Create, validate, save, and reuse your own custom User-Agent strings. 🧪 User-Agent Test Page Open a dedicated diagnostic page to inspect the active User-Agent, browser information, and fingerprint-related properties. 🖱️ Context Menu Quick Actions Switch profiles faster using convenient right-click context-menu actions. 📥 Import & Export Settings Back up, restore, and transfer your settings between browsers or devices. 🔄 Automatic Profile Updates Automatically refresh profile data and cache it locally for fast access. 🌓 Light & Dark Themes Switch between Light and Dark themes with multilingual interface support. 🔒 Privacy-First Local Storage Settings, favorites, recent profiles, and domain mappings stay in Chrome storage. 👨‍💻 Built for Developers & Testers NDT User-Agent Manager is designed for developers, QA testers, web professionals, and anyone who needs reliable browser identity testing with a simple and efficient workflow.