This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.

Latest Version

Version
1.3.2
Update
November 27, 2022
Size
84.96KiB
Developer
Category
Users
50,000+
Rating
4.27329 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
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CF-Predictor Extension

A huge number of your nerve cells die every time when you wait for a rating update on Codeforces. Stop this! From now you could use this extension, it partly modifies the contest standings page and shows approximate rating changes for every contestant.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx","name": "CF-Predictor","short_name": "CF-Predictor","version": "1.3.2","description": "This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.","manifest_version": 3,"icons":{"48": "static/icon48.png","64": "static/icon64.png", "128": "static/icon128.png"},"action":{"default_icon": {"48": "static/icon48.png","64": "static/icon64.png", "128": "static/icon128.png"},"default_title": "CF-Predictor","default_popup": "popup.html"},"host_permissions":["https://cf-predictor.wasylf.xyz/"],"background": { "service_worker": "background.js"},"content_scripts":[{"js": ["third_party/jquery.js", "showDeltas.js"],"matches": ["http://codeforces.com/contest/*/standings*", "https://codeforces.com/contest/*/standings*"]}]}
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How to download and manually install CF-Predictor extension for Chrome

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

Method 1: Download CF-Predictor extension and manually install through Drag &Drop

If you ever need to manually install a CF-Predictor 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 CF-Predictor Extension by clicking the "Download CRX" button on the website.

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

This is another method to install CF-Predictor 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 CF-Predictor extension file

Select and download the CF-Predictor 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 CF-Predictor 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 CF-Predictor 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 CF-Predictor 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 CF-Predictor extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Md. Iftekhar Islam Tamim (ID: 000000348fdab7a5) Voted 4 ★ - Updated 11/06/2023 Ratings are approximate not accurate. Like 10-15% less ratings are usually given on round than the extensions predictions.

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bt21103019 Aditya Gupta (ID: 000000a0308149a5) Voted 1 ★ - Updated 09/21/2023 It is not working!

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Harshith Chowdary (ID: 0000003e86a9f530) Voted 2 ★ - Updated 07/11/2023 Why isn't it working from past 1 month ?

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Abdulrahman Hussain (ID: 000000ff658031f6) Voted 1 ★ - Updated 07/08/2023 why isn't it working ???? please fix it .

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Subha Nayak (ID: 00000058aca3b863) Voted 1 ★ - Updated 07/08/2023 IT IS NOT WORKING FIX IT PLEASE