Add, modify or remove a header for any request on desired domains.

Latest Version

Version
0.1.9
Update
February 19, 2024
Size
94.33KiB
Developer
Category
Users
40,000+
Rating
3.52174 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
Storage
DeclarativeNetRequest
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Modify Header Value (HTTP Headers) Extension

Modify Header Value (HTTP Headers) is an extension that can add, modify or remove an HTTP-request-header for all requests on a desired website or URL. This Addon is very useful if you are an App developer, website designer, or if you want to test a particular header for a request on a website.

Key features:
1. Easily add, modify or remove a header for any request on desired domains.
2. For a complete list of HTTP headers, please take a look at the list of all HTTP Header Fields on the Wikipedia page (https://en.wikipedia.org/wiki/List_of_HTTP_header_fields).
3. Clicking on the Toolbar icon opens a UI to quickly switch the Addon ON or OFF, or open the options page.
4. Each header item has several options to adjust (see add-on's Options page for details)
5. You can add several header items and active or inactive them separately.
6. An example in the options page shows a tutorial on \"How to add a custom header\".

Note: to report bugs, please visit addon's homepage (https://mybrowseraddon.com/modify-header-value.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": "0.1.9", "manifest_version": 3, "host_permissions": [""], "short_name": "modify-header-value", "name": "Modify Header Value (HTTP Headers)", "homepage_url": "https://mybrowseraddon.com/modify-header-value.html", "description": "Add, modify or remove a header for any request on desired domains.", "commands": { "_execute_action": {} }, "background": { "service_worker": "background.js" }, "permissions": [ "storage", "declarativeNetRequest" ], "options_ui": { "open_in_tab": true, "page": "data/options/options.html" }, "action": { "default_popup": "data/popup/popup.html", "default_title": "Modify Header Value (HTTP Headers)", "default_icon": { "16": "data/icons/16.png", "32": "data/icons/32.png", "48": "data/icons/48.png", "64": "data/icons/64.png" } }, "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 Modify Header Value (HTTP Headers) extension for Chrome

Looking for a way to install Modify Header Value (HTTP Headers) 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 Modify Header Value (HTTP Headers) extensions manually, this article outlines two simple methods to effortlessly install Modify Header Value (HTTP Headers) extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download Modify Header Value (HTTP Headers) extension and manually install through Drag &Drop

If you ever need to manually install a Modify Header Value (HTTP Headers) 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 Modify Header Value (HTTP Headers) Extension by clicking the "Download CRX" button on the website.

Look for the Modify Header Value (HTTP Headers) extension you wish to install. Go to the website and download the Modify Header Value (HTTP Headers) extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Modify Header Value (HTTP Headers) 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 Modify Header Value (HTTP Headers) 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 Modify Header Value (HTTP Headers) extension for Chrome and install in Developer Mode

This is another method to install Modify Header Value (HTTP Headers) 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 Modify Header Value (HTTP Headers) extension file

Select and download the Modify Header Value (HTTP Headers) 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 Modify Header Value (HTTP Headers) 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 Modify Header Value (HTTP Headers) 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 Modify Header Value (HTTP Headers) 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 Modify Header Value (HTTP Headers) extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Arnie97 (ID: 000000e3f8cd515a) Voted 4 ★ - Updated 09/13/2023 the URL filter works well, and the UI is easy to understand

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w4tchdoge (ID: 000000d2fa6af827) Voted 4 ★ - Updated 05/08/2023 Perfectly acceptable application for my use case, works even faster than Requestly from what I've noticed

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Marcos Roehe (ID: 0000007db076cba9) Voted 5 ★ - Updated 12/07/2022 Worked for me!

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James Moberg (ID: 000000c0f648f8d9) Voted 2 ★ - Updated 11/16/2022 I was comparing this with Requestly and liked that it was free, but it doesn't seem to be completely compatible with HTTP/2 protocol. No JS/CSS resources would load from an IIS website I was working on and I kept seeing a "net::ERR_HTTP2_PROTOCOL_ERROR" logged. I disabled this extension and the issue was immediately resolved. I can't use this if it's going to randomly cause errors by preventing Chrome from consistently loading resources.

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Gernot Goetz (ID: 0000008d051f4499) Voted 2 ★ - Updated 09/08/2022 Seems to work only with GET requests. I lost several hours searching a bug, before I found out, that the header of POST requests are not modified by this plugin.