Alter your HTTP request headers on the fly

Latest Version

Version
2.2.0
Update
April 13, 2015
Size
131KiB
Developer
Category
Users
6,000+
Rating
3.64706 ★
Manifest Version
2
Web Store Status
Languages Support
English
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Permissions
WebRequest
WebRequestBlocking

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Header-Editor Extension

Header-Editor is an extension that will allow you to create and use arbitrary HTTP headers in Chrome.

The following permissions are needed for Header-Editor to run:

- webRequest - Used to access the requests being sent out.
- webRequestBlocking - So that headers are modified before being sent.
- - All URLs are asked for since the extension cannot know ahead of time where it will be needed.

Note: Response headers do not appear in the Network Inspector, however they are supplied to your code. For more details, see:

- http://hexcoder.us/2013/08/08/response-headers-and-chrome-extensions/
- https://code.google.com/p/chromium/issues/detail?id=258064
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx","manifest_version": 2,"name": "Header-Editor","description": "Alter your HTTP request headers on the fly","version": "2.2.0","default_locale": "en","options_page": "/src/html/options.html","permissions": ["webRequest","webRequestBlocking",""],"browser_action": {"default_icon": "./resources/images/pencil-icon_48.png","default_popup": "/src/html/popup.html"},"background": {"scripts": ["/src/js/background.js", "/src/js/upgrade.js"]},"icons": {"16": "/resources/images/pencil-icon_16.png","48": "/resources/images/pencil-icon_48.png","128": "/resources/images/pencil-icon_128.png"}}
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How to download and manually install Header-Editor extension for Chrome

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

Method 1: Download Header-Editor extension and manually install through Drag &Drop

If you ever need to manually install a Header-Editor 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 Header-Editor Extension by clicking the "Download CRX" button on the website.

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

This is another method to install Header-Editor 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 Header-Editor extension file

Select and download the Header-Editor 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 Header-Editor 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 Header-Editor 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 Header-Editor 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 Header-Editor extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Arnie97 (ID: 000000e3f8cd515a) Voted 3 ★ - Updated 09/13/2023 Unable to remove the original header value from the original request / response, and the popup design is not very ergonomic.

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Alex (ID: 000000664bf039e1) Voted 2 ★ - Updated 11/25/2021 This how to view response headers: var req = new XMLHttpRequest(); req.open('GET', document.location, false); req.send(null); var headers = req.getAllResponseHeaders().toLowerCase(); alert(headers);

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Umbrella Connor (ID: 0000003c209f533f) Voted 5 ★ - Updated 10/25/2019 不知道选项怎么用,但图片自动命名很方便

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gledos green (ID: 000000bc2e21f843) Voted 5 ★ - Updated 06/08/2018 十分方便的让我既能让chrome显示中文界面,又能让网页看不到我使用的语言。 使用前:accept-language: zh-CN,zh-TW;q=0.9,zh;q=0.8,en-US;q=0.7,en;q=0.6 使用后:accept-language: en-US

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Owen Boyle (ID: 00000029e526acdd) Voted 2 ★ - Updated 02/08/2018 If you set a header it works the first time (on the server, you can see the header arriving). But then, if you alter the header value, it still sends the original value. It kept sending a particular value even after I deleted that header. Maybe you are supposed to restart the browser after changes but I'm not going to do that.