Captures, formats, and displays API responses in a clean interface for easy debugging and analysis of web applications.

Latest Version

Version
0.0.3
Update
March 22, 2025
Size
189KiB
Developer
Category
Users
0
Rating
1 ★
Manifest Version
3
Web Store Status
Languages Support
English
日本語
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Permissions
Storage
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API Response Viewer Extension

API Response Viewer is a Chrome extension that helps developers monitor and analyze API requests in real-time. It captures HTTP requests, displays them in an organized list, and formats the JSON responses for improved readability.
The viewer shows essential request information including URLs, method types, response sizes, and loading times. Users can search for specific endpoints, reload the capture session, and copy JSON data with a single click. The tool also features a clean, dark-themed interface with collapsible JSON trees that highlight different data types with distinct colors for better visual parsing.
This extension is particularly useful for web developers who need to debug API interactions, inspect response structures, or monitor network activity without switching between different developer tools.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3, "default_locale": "en", "name": "__MSG_extensionName__", "version": "0.0.3", "description": "__MSG_extensionDescription__", "permissions": [ "storage" ], "icons": { "128": "icon-128.png" }, "background": { "service_worker": "background.js" }, "devtools_page": "devtools/index.html", "web_accessible_resources": [ { "resources": [ "*.js", "*.css", "*.svg", "icon-128.png", "icon-34.png" ], "matches": [ "*://*/*" ] } ]}
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How to download and manually install API Response Viewer extension for Chrome

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

Method 1: Download API Response Viewer extension and manually install through Drag &Drop

If you ever need to manually install a API Response Viewer 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 API Response Viewer Extension by clicking the "Download CRX" button on the website.

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

This is another method to install API Response Viewer 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 API Response Viewer extension file

Select and download the API Response Viewer 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 API Response Viewer 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 API Response Viewer 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 API Response Viewer 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 API Response Viewer extension in 2 ways. We hope this guide proves helpful.

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