A chrome extension for overriding external http request headers and query parameters

Latest Version

Version
1.0.0
Update
April 14, 2023
Size
104KiB
Developer
Category
Users
361
Rating
1 ★
Manifest Version
3
Web Store Status
Languages Support
English (United States)
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Permissions
Storage
DeclarativeNetRequest
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Request Header/Query Param Override MV3 Extension

A chrome extension for overriding/adding external http (AJAX) request headers and query parameters.

The extension allows the user to manage request headers/query params that will be injected into requests made when viewing a website in chrome, where each override contains the following properties:

* Header/Query Param: Header key.
* Header/Query Param Value: Value associated with the header key.
* AJAX Request URL sub-string: The header name: value will only be applied to XHR/Fetch requests where the external request URL contains the provided substring.

The headers are managed in the chrome extension popup (a simple react app), and saved to chrome local storage and are applied to upstream page requests using the chrome declarativeNetRequest request dynamic rules updateDynamicRules function.

This is a free extension, and will always be free :)
Source code for this extension can be found here: https://github.com/paulb896/request-header-override-chrome-extension.
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Source Manifest.json

{
"update_url": "https://clients2.google.com/service/update2/crx",
"description":"A chrome extension for overriding external http request headers and query parameters",
"version":"1.0.0",
"manifest_version":3,
"name":"Request Header/Query Param Override MV3",
"options_page":"options.html",
"action":{"icon":"main-icon-38.png",
"default_popup":"popup.html",
"default_icon":{"38":"main-icon-38.png"},
"default_title":"Modify Outgoing XHR/Fetch Request Headers and Query Params"},
"icons":{"128":"main-icon-128.jpg"},
"permissions":["storage",
"declarativeNetRequest"],
"host_permissions":[""],
"devtools_page":"devtools.html"}
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How to download and manually install Request Header/Query Param Override MV3 extension for Chrome

Looking for a way to install Request Header/Query Param Override MV3 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 Request Header/Query Param Override MV3 extensions manually, this article outlines two simple methods to effortlessly install Request Header/Query Param Override MV3 extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download Request Header/Query Param Override MV3 extension and manually install through Drag &Drop

If you ever need to manually install a Request Header/Query Param Override MV3 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 Request Header/Query Param Override MV3 Extension by clicking the "Download CRX" button on the website.

Look for the Request Header/Query Param Override MV3 extension you wish to install. Go to the website and download the Request Header/Query Param Override MV3 extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Request Header/Query Param Override MV3 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 Request Header/Query Param Override MV3 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 Request Header/Query Param Override MV3 extension for Chrome and install in Developer Mode

This is another method to install Request Header/Query Param Override MV3 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 Request Header/Query Param Override MV3 extension file

Select and download the Request Header/Query Param Override MV3 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 Request Header/Query Param Override MV3 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 Request Header/Query Param Override MV3 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 Request Header/Query Param Override MV3 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 Request Header/Query Param Override MV3 extension in 2 ways. We hope this guide proves helpful.

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