A simple card manager that lets you store your cards securely within your computer storage, with encryption for multiple usages.

Latest Version

Version
1.1.0.2
Update
December 17, 2022
Size
3.95MiB
Developer
Category
Users
67
Rating
5 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
Storage
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Card Manager Extension

Store your credit cards securely within your computer storage for easy use when shopping online.

➤ How it works
Card Manager lets you create an account locally to store and access your cards. Once you will create an account, you can store up to 9 cards that will be encrypted and stored safely within your computer storage. Card Manager then lets you copy and paste your credentials to online shopping sites and warns you if your card is getting close to its expiration date.

➤ More to come
Card Manager will have constant updates that will improve its usage, speed and look. So stay tuned!

➤ Changelog

1.1.0.2
- Fixed an issue with auto spaces when the card number has been copied&pasted to add card input menu
- Fixed an issue with auto slash when adding the Card Exp. Date in the add card input menu
- Changelog moved to the extension's description on Chrome Web Store

1.1.0
- NEW card encryption and decryption entirely on your local PC
- Exp. date input now automatically adds slash ('/') after month is inputed
- Card Manager's main part now doesn't depend on external APIs, making it super fast with almost no waiting time

1.0.3
- Fixed an issue when adding cards
- Various improvements to code

1.0.2
- Added support for license keys
- New prices for the Trial and Lifetime Plan

1.0.1
- Rate Card Manager button now redirects to the extension page

1.0.0
- Initial release

Any questions, ideas or problems? Feel free to send a message to me!
Do you like Card Manager? Make sure you leave a rating for me!
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3, "name": "Card Manager", "version": "1.1.0.2", "description": "A simple card manager that lets you store your cards securely within your computer storage, with encryption for multiple usages.", "action": { "default_title": "Card Manager", "default_popup": "login.html" }, "icons": { "16": "/images/card.png", "48": "/images/card.png", "128": "/images/card.png" }, "permissions": [ "storage" ]}
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How to download and manually install Card Manager extension for Chrome

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

Method 1: Download Card Manager extension and manually install through Drag &Drop

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

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

This is another method to install Card Manager 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 Card Manager extension file

Select and download the Card Manager 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 Card Manager 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 Card Manager 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 Card Manager 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 Card Manager extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Bakugan (ID: 000000d364100edc) Voted 5 ★ - Updated 12/12/2022 Nice job, whatever you can use Bitwarden (https://chrome.google.com/webstore/detail/bitwarden-free-password-m/nngceckbapebfimnlniiiahkandclblb?hl=en), instead. This tool will save not only your cedit cards but passwords too and it cost $0 instead of $5.99. Autofill is only sweet bonus. Isn't that marvelous?