Simple CSS/JS Helpers to inject code snippets into websites. Handy for developers who need to get around things temporarily.

Latest Version

Version
0.0.8
Update
November 13, 2017
Size
135KiB
Developer
Category
Users
324
Rating
5 ★
Manifest Version
2
Web Store Status
Languages Support
English (United States)
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Permissions
Tabs
*://*/*
Storage
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Dev Helpers Extension

Updated:
- Lots of bug fixes, now runs much better!

Features:
- Live CSS Updating, see your changes instantly.
- Toggle Auto injection of jQuery for easy and quick DOM manipulation
- Saves the snippets based on domain, so you don't have to worry about adding them again next time you work on that project!
- Syntax highlighting
- Bracket Matching
- Green badge on icon when there is active JS or CSS on the current page

Features Coming Soon
- Support for custom tab names, for multiple saves per domain
- A share feature that you can send to someone else who has the plugin and it auto-fills the plugin.

This is an early version and may contain bugs. If you find something not working properly, please leave feedback with the details!

**DISCLAIMER: DON'T USE THIS UNLESS YOU KNOW WHAT YOU ARE DOING**
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "name": "Dev Helpers", "short_name": "Dev Helpers", "version": "0.0.8", "version_name": "0.0.8", "description": "Simple CSS/JS Helpers to inject code snippets into websites. Handy for developers who need to get around things temporarily.", "author": "LewJ.me", "homepage_url": "https://www.lewj.me/project/dev-helpers", "browser_action": { "default_icon": { "16": "icon16.png", "48": "icon48.png", "128": "icon128.png" }, "default_title": "Dev Helpers", "default_popup": "popup.html", "default_locale": "en" }, "icons": { "16": "icon16.png", "48": "icon48.png", "128": "icon128.png" }, "manifest_version": 2, "web_accessible_resources": ["*.eot", "*.ttf", "*.svg", "*.woff", "*.woff2", "*.png", "*.js"], "content_security_policy": "script-src 'self' https://ajax.googleapis.com; object-src 'self'", "permissions": [ "tabs", "*://*/*", "storage" ], "content_scripts": [{ "matches": ["http://*/*", "https://*/*"], "js": ["vendor/jquery-3.2.1.min.js"], "run_at": "document_start" }], "background": { "scripts": ["vendor/jquery-3.2.1.min.js", "scripts/background.js"], "persistent": false }}
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How to download and manually install Dev Helpers extension for Chrome

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

Method 1: Download Dev Helpers extension and manually install through Drag &Drop

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

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

This is another method to install Dev Helpers 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 Dev Helpers extension file

Select and download the Dev Helpers 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 Dev Helpers 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 Dev Helpers 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 Dev Helpers 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 Dev Helpers extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Said Torres (ID: 000000ef551c03a8) Voted 5 ★ - Updated 02/15/2022 It works, but when the page loads, the code executes many times (2 or 3 avg) instead of one.

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武鑫 (ID: 000000dcf04fbb98) Voted 5 ★ - Updated 09/23/2017 just work