Add a custom useragent string for desired URLs or domains.

Latest Version

Version
0.2.3
Update
February 19, 2024
Size
379KiB
Developer
Category
Users
40,000+
Rating
3.85294 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
Storage
DeclarativeNetRequest
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Custom UserAgent String Extension

Custom UserAgent String is an extension that enables you to easily change your browser's user-agent by adding site-specific user-agent strings from the Options page.

Some features:
1. Add a custom user-agent string for each URL or website (domain).
2. There is an option to change each URL to a domain from the options page.
3. Toolbar popup has an ON or OFF switch button (left side).
4. User agents can be added to the options page (more than 100 sample user-agent strings are also provided).
5. For each user-agent string, you can either delete or disable it for future use.
6. To find a user-agent string you can either use a search engine (there are plenty of websites that provide a free UA list) or use the sample list provided on the addon's options page. This list includes more than 100 UAs for modern browsers and ranging from desktop to mobile platforms. This list is also available on the addon's homepage, FAQ section.

Note: to report bugs, please visit the addon's homepage (https://mybrowseraddon.com/custom-useragent-string.html) and fill out the bug report form.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "version": "0.2.3", "manifest_version": 3, "name": "Custom UserAgent String", "short_name": "custom-useragent-string", "homepage_url": "https://mybrowseraddon.com/custom-useragent-string.html", "description": "Add a custom useragent string for desired URLs or domains.", "commands": { "_execute_action": {} }, "background": { "service_worker": "background.js" }, "permissions": [ "storage", "declarativeNetRequest" ], "host_permissions": [ "*://*/*", "ws://*/*", "wss://*/*" ], "web_accessible_resources": [{ "matches": ["*://*/*"], "resources": ["data/content_script/page_context/inject.js"] }], "options_ui": { "open_in_tab": true, "page": "data/options/options.html" }, "action": { "default_popup": "data/popup/popup.html", "default_title": "Custom UserAgent String", "default_icon": { "16": "data/icons/16.png", "32": "data/icons/32.png", "48": "data/icons/48.png", "64": "data/icons/64.png" } }, "content_scripts": [{ "matches": ["*://*/*"], "run_at": "document_start", "js": ["data/content_script/inject.js"] }], "icons": { "16": "data/icons/16.png", "32": "data/icons/32.png", "48": "data/icons/48.png", "64": "data/icons/64.png", "128": "data/icons/128.png" }}
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How to download and manually install Custom UserAgent String extension for Chrome

Looking for a way to install Custom UserAgent String extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install Custom UserAgent String extensions manually, this article outlines two simple methods to effortlessly install Custom UserAgent String extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download Custom UserAgent String extension and manually install through Drag &Drop

If you ever need to manually install a Custom UserAgent String extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the Custom UserAgent String Extension by clicking the "Download CRX" button on the website.

Look for the Custom UserAgent String extension you wish to install. Go to the website and download the Custom UserAgent String extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Custom UserAgent String extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the Custom UserAgent String extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download Custom UserAgent String extension for Chrome and install in Developer Mode

This is another method to install Custom UserAgent String extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the Custom UserAgent String extension file

Select and download the Custom UserAgent String extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the Custom UserAgent String extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Custom UserAgent String extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the Custom UserAgent String extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install Custom UserAgent String extension in 2 ways. We hope this guide proves helpful.

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User reviews

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อนุบุตร โคเลิศ (ID: 000000ddc1b88c3f) Voted 4 ★ - Updated 07/05/2023 It's work, many thanks

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Allan Carhart (ID: 00000020a0872436) Voted 5 ★ - Updated 04/26/2023 It's great to have control over some of the passive information being sent to websites. Here is just one of the many use cases: If you open a Google-owned website using anything besides Chrome, they shove an obnoxious message in your face about switching to Chrome. Even if you're using Chromium, which is literally the same code, they still tell you to switch. There is no "do not show again" button or any way to turn it off AFAIK. This Custom User-Agent string makes it easy to tell Google-owned websites that you're using Chrome even if you're using another Chromium-based browser thus shutting off the obnoxious message. Reply

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Sedate (ID: 000000430e1ee8e5) Voted 5 ★ - Updated 08/19/2022 Satisfied. It did what I was looking for. <3

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Twifti Carter (ID: 0000006103d01776) Voted 3 ★ - Updated 04/10/2022 Need an update soon on chrome because the extension doesn't work anymore

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Sathvik Malgikar (ID: 00000048f21d245b) Voted 5 ★ - Updated 01/26/2022 i needed something like this for a long time. i used this to enable Youtube TV on pc from chrome, to play from phones