Generate CSS selectors from sample elements.

Latest Version

Version
0.1.6
Update
October 17, 2020
Size
57.16KiB
Developer
www.heliumscraper.com
Category
Users
34
Rating
1 ★
Manifest Version
2
Web Store Status
Languages Support
English
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Permissions
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Helium Selectors Extension

To use this extension, open up the developer tools and find the \"Selectors\" tab. Once opened, press \"Enable Selection Mode\", if not already enabled, and start selecting elements. The algorithm will attempt to find the most specific and shortest selector, so often you'll have to add many samples, or press \"Select Similar Elements\" until you get the selector you want. It also has a \"Select Inspected Element\" button that selects the currently inspected ($0) element so you can also add elements that are hidden or difficult to highlight with the mouse.

If you visit a page after creating a CSS selector and turn on selection mode, all matching elements will be highlighted and will be able to keep adding sample elements if needed. The extension will remember all the sample elements, so visiting new pages will often update the CSS selector to prevent selecting elements that haven't been used as samples, as the extension will always try to be as specific as possible. So for instance when creating a selector for a next button, it's usually a good idea to visit at least a couple of pages where the next button is (and add more samples if needed), and also the last page in case there is a disabled next button, so that the algorithm updates the selector to not select the disabled next button.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx","manifest_version": 2,"name": "Helium Selectors","version": "0.1.6","icons": {"16": "/media/icon/16.png","24": "/media/icon/24.png","32": "/media/icon/32.png","48": "/media/icon/48.png","64": "/media/icon/64.png","128": "/media/icon/128.png"},"description": "Generate CSS selectors from sample elements.","devtools_page": "html/devtools.html","content_scripts": [{"matches": ["http://*/*","https://*/*"],"js": ["/js/inject/sets.js", "/js/inject/combinator.js", "/js/inject/gathering.js", "/js/inject/overlay.js", "/js/inject/inject.js"]}],"browser_action": {"default_title": "Helium Selectors","default_popup": "html/popup.html"}}
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How to download and manually install Helium Selectors extension for Chrome

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

Method 1: Download Helium Selectors extension and manually install through Drag &Drop

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

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

This is another method to install Helium Selectors 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 Helium Selectors extension file

Select and download the Helium Selectors 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 Helium Selectors 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 Helium Selectors 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 Helium Selectors 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 Helium Selectors extension in 2 ways. We hope this guide proves helpful.

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