As you make CSS changes in the DevTools inspector window this will track your changes and provide you with a nicely formatted diff

Latest Version

Version
1.0
Update
April 20, 2016
Size
20.12KiB
Developer
Category
Users
749
Rating
1.9 ★
Manifest Version
2
Web Store Status
Languages Support
English
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Permissions
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CSS Diff Extension

When you're working on a project turning a design that was done by someone else into HTML + CSS it can often be frustrating as you go back-and-forth with them trying to tweak things. Often times you'll end up getting marked up screenshots asking for things to be moved, changed, etc. Both the front-end engineer and the designer end up frustrated by all of this back-and-forth.

Once designers are introduced to the Chrome DevTools inspector where they can select elements and tweak CSS values till their heart's content the process can be massively improved because they can provide specific feedback on the values they want changed.

CSS Diff is an extension that eases this feedback cycle by allowing designers to simply send the engineer a common \"diff\" output of their changes so that those changes can be implemented. Typically you'll end up using something like less, scss, etc to manage your styles so you can just apply the diff directly to the sources, but groking the diff and manually making the updates is much better than trying to make updates based off of marked up screen shots.

This does not work on minified CSS because it is simply keeping a copy of the CSS from when the DevTools were opened and then showing live diff's against that. This typically isn't a problem as giving designers access to an development environment where the source code isn't minified should be trivial.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 2, "name": "CSS Diff", "version": "1.0", "author": "Evan Borgstrom", "description": "As you make CSS changes in the DevTools inspector window this will track your changes and provide you with a nicely formatted diff", "icons": { "48": "icon-48.png", "128": "icon-128.png" }, "devtools_page": "devtools.html"}
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How to download and manually install CSS Diff extension for Chrome

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

Method 1: Download CSS Diff extension and manually install through Drag &Drop

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

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

This is another method to install CSS Diff 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 CSS Diff extension file

Select and download the CSS Diff 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 CSS Diff 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 CSS Diff 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 CSS Diff 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 CSS Diff extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Chematronix Quarantamila (ID: 00000047a37f8d8a) Voted 1 ★ - Updated 09/06/2023 This one works, but gotta install it by hand: https://github.com/kdzwinel/CSS-Diff

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Stepan Matskevich (ID: 000000b6728108bf) Voted 1 ★ - Updated 03/31/2023 Doesn't work, just white screen

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Modern Chili (ID: 00000096fea2c4ba) Voted 1 ★ - Updated 03/02/2023 Does not work. Just shows white screen.

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Serge Dudnic (ID: 000000b21f039e51) Voted 2 ★ - Updated 05/13/2022 The author didn't explain how to use it. It wrote a lot of things, but o idea how concretly to select the first and the second element to compare them

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Tim Spilka (ID: 000000e6871ceb64) Voted 2 ★ - Updated 02/02/2022 Works kinda but also selects classes i didn't change.