Highlight occurrences of selected text, with or without a keypress.

Latest Version

Version
3.1.0
Update
January 14, 2024
Size
470KiB
Developer
neaumusic.com
Category
Users
8,000+
Rating
4.58621 ★
Manifest Version
3
Web Store Status
Languages Support
English
See more
Permissions
Storage
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Selection Highlighter Extension

For code inspection and document analysis: search for and find keywords.

- No need to press CMD+F
- Maintains current selection
- Open source and configurable options (JavaScript)
- Ensure a \"gate\" key is pressed
- Match whole word and/or case-insensitive
- Blacklist bad hosts and ancestor HTML nodes

Highlight works on all sites, including GitHub, StackOverflow, HackerNews, Reddit, etc.

See all code involved:
1. Dev Console -> Sources -> Content Scripts -> Selection Highlighter
2. chrome://extensions -> Selection Highlighter -> Options -> Dev Console -> Sources

https://github.com/neaumusic/selection-highlighter
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3, "name": "Selection Highlighter", "version": "3.1.0", "description": "Highlight occurrences of selected text, with or without a keypress.", "content_scripts": [ { "all_frames": true, "run_at": "document_end", "matches": [""], "js": ["content_script/main.js"] } ], "action": { "default_icon": "images/icon.png", "default_title": "Selection Highlighter", "default_popup": "popup/index.html" }, "icons": { "1024": "images/icon.png" }, "permissions": ["storage"]}
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How to download and manually install Selection Highlighter extension for Chrome

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

Method 1: Download Selection Highlighter extension and manually install through Drag &Drop

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

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

This is another method to install Selection Highlighter 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 Selection Highlighter extension file

Select and download the Selection Highlighter 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 Selection Highlighter 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 Selection Highlighter 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 Selection Highlighter 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 Selection Highlighter extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Jake Z (ID: 000000510a4caa66) Voted 5 ★ - Updated 04/27/2023 Exactly what I wanted. Double click a word and it highlights all occurrences on the page. I like how transparent the developer tries to be.

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Phezylus notiles (ID: 000000c4e099fbd7) Voted 4 ★ - Updated 04/20/2023 util

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Yuhe Chen (ID: 000000fffd24104d) Voted 5 ★ - Updated 01/16/2023 Love this extension, simple and efficient. Wondering if there's way to toggle multiple highlighting, i.e when selecting new words, add the new highlight (maybe in a different color) and also keep the previous highlight. There are some cases that I want to grep for multiple keyword. Thanks in advance.

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JOCLEY QUEIROZ ARAUJO (ID: 0000007f984a47c2) Voted 5 ★ - Updated 11/21/2022 Muito prático. Todos os desenvolvedores deveriam disponibilizar o código fonte da extensão como esse cara. Parabéns

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Kevin MacDowell (ID: 00000034a40794b1) Voted 4 ★ - Updated 10/24/2022 Love it but in the last week or two it seems to have stopped working for me.