The most beautiful and customizable JSON / JSONP highlighter,Makes JSON / JSONP easy to read. Open source.

Latest Version

Version
1.0.0
Update
October 22, 2024
Size
751KiB
Developer
fancytools.app
Category
Users
24
Rating
1 ★
Manifest Version
3
Web Store Status
Languages Support
Bahasa Indonesia
Bahasa Melayu
Deutsch
English
English (Australia)
English (UK)
English (United States)
Filipino
Français
Kiswahili
Nederlands
Norsk
Tiếng Việt
Türkçe
Català
Dansk
Eesti
Español
Español (Latinoamérica)
Hrvatski
Italiano
Latviešu
Lietuvių
Magyar
Polski
Português (Brasil)
Português (Portugal)
Română
Slovenský
Slovenščina
Suomi
Svenska
čeština
Ελληνικά
Српски
български
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українська
עברית
فارسی‎
मराठी
हिन्दी
বাংলা
ગુજરાતી
தமிழ்
తెలుగు
ಕನ್ನಡ
മലയാളം
ไทย
አማርኛ
‫العربية
中文 (简体)
中文 (繁體)
日本語
한국어
See more
Permissions
Tabs
WebRequest
ActiveTab
Scripting
See more

JSON Formatter Extension

JSON Formatter – The Ultimate Chrome Extension for JSON and JSONP

Discover the most beautiful and customizable JSON/JSONP highlighter your eyes have ever seen. This open-source Chrome extension is designed to make JSON and JSONP easy to read and manipulate.

Key Features

- Auto-Formatting: Automatically formats JSON when loaded in a browser tab.
- Syntax Highlighting: Enhances readability with vibrant syntax colors.
- Built-in Themes: Choose from 27 pre-built themes or customize your own.
- Dark Mode: Optional dark mode 🌚 for comfortable viewing.
- Collapsible Nodes: Easily expand and collapse JSON trees with indent guides.
- Clickable URLs: Interact directly with URLs within your JSON (optional).
- Omnibox Integration: Type `json-viewer` + TAB and paste your JSON into the omnibox, hit ENTER, and get it highlighted.
- Line Numbers: Option to show line numbers for better navigation.
- Customizable Tab Size: Adjust tab sizes to fit your coding style.
- Large Number Support: Handles numbers larger than `Number.MAX_VALUE`.
- Configurable Limits: Set a maximum JSON size for highlighting.
- Header Info: Option to include a header with timestamp and URL.
- Editable JSON: Edit your JSON directly within the extension.
- Key Sorting: Option to sort JSON keys.
- C-Style Formatting: C-style braces and arrays options available.
- Scratch Pad: Type or paste JSON and format indefinitely using a button or key shortcut—simply type `json-formatter` + `TAB` + `scratch pad` ENTER.

Performance

- Fast Processing: Handles even very long JSON pages efficiently.
- Minimal Impact: Negligible performance impact on non-JSON pages (less than 1 millisecond).

Usage Notes

- Compatibility: This extension might clash with other JSON highlighters/formatters. If it doesn’t work, try disabling other extensions.
- Local Files & Incognito Mode: Enable these options manually on the extensions page to highlight local files and incognito tabs.
- Chrome Updates: After an update, Chrome might leave an old background process running, revoking some permissions like access to local files. Simply recheck the required options to restore functionality.

Privacy

No tracking, no advertising, and nothing else nefarious. Your privacy is our priority.

Try It Out

Enhance your JSON viewing and debugging experience with this exceptional Chrome extension. Download now and elevate your workflow!

Download JSON Formatter from the Chrome Web Store today!
Read more

Source Manifest.json

{
"update_url": "https://clients2.google.com/service/update2/crx",
"manifest_version":3,
"name":"__MSG_extName__",
"description":"__MSG_extDescription__",
"version":"1.0.0",
"icons":{"16":"icon/16.png",
"32":"icon/32.png",
"48":"icon/48.png",
"96":"icon/96.png",
"128":"icon/128.png",
"256":"icon/256.png",
"512":"icon/512.png"},
"default_locale":"en",
"permissions":["tabs",
"webRequest",
"activeTab",
"scripting"],
"host_permissions":[""],
"content_scripts":[{"matches":[""],
"js":["/content-scripts/content.js"],
"run_at":"document_idle"},{"matches":[""],
"js":["content-scripts/content.js"]}],
"web_accessible_resources":[{"resources":["index.html",
"/codeMirror/**"],
"matches":[""]}],
"content_security_policy":{"extension_pages":"script-src 'self'; object-src 'self'"},
"background":{"type":"module",
"service_worker":"background.js"},
"action":{"default_title":"__MSG_extName__",
"default_icon":"icon/128.png"},
"omnibox":{"keyword":"json-formatter"},
"commands":{"_execute_action":{"suggested_key":{"default":"Ctrl+Shift+F",
"mac":"MacCtrl+Shift+F"},
"description":"Opens the sidebar"}}}
Read more

How to download and manually install JSON Formatter extension for Chrome

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

Method 1: Download JSON Formatter extension and manually install through Drag &Drop

If you ever need to manually install a JSON Formatter 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 JSON Formatter Extension by clicking the "Download CRX" button on the website.

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

This is another method to install JSON Formatter 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 JSON Formatter extension file

Select and download the JSON Formatter 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 JSON Formatter 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 JSON Formatter 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 JSON Formatter 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 JSON Formatter extension in 2 ways. We hope this guide proves helpful.

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