Shop more securely through your desktop browser with Eno®, your Capital One® assistant.

Eno® from Capital One®: Your Secure Shopping Assistant
Eno® from Capital One® is an advanced Firefox add-on designed to enhance online shopping security. It provides unique virtual credit card numbers at checkouts, preventing your actual credit card information from being exposed. Additional features like the ability to lock or unlock virtual card numbers, automatic updates even with a new actual credit card and seamless rewards earning make Eno a comprehensive shopping assistant.
Add-on stats
Manifest V2
By: Capital One
Rating: 3.01
2 new ratings
(694)
Weekly download count: 207
Firefox on Android: No
Permissions:
- activeTab
- tabs
- storage
- cookies
- webRequest
- webRequestBlocking
- alarms
- https://*.capitalone.com/*
- http://*.capitalone.com/*
Size: 5.60M
URLs: Website ,Privacy policy
Full description: See detailed description
Ranking
# 456 ▲ 2
Other platforms
Not available on Android
User reviews
Pros
- Ease of generating virtual cards for secure transactions
- Increases security by allowing users to avoid exposing their real card numbers
- Ability to set purchase limits and expiration dates on virtual cards
- Works well with many websites
- User-friendly interface when functioning properly
Cons
- Sometimes fails to recognize form fields on websites
- Incidents of the app getting stuck or not logging in
- Inconsistent functionality with certain merchants
- Requires frequent logins, which can be inconvenient
- Collects data on browsing behavior, raising privacy concerns
Most mentioned
- Browser compatibility issues with specific websites
- Bugs leading to failure in generating or using virtual cards
- The app's reliability varies, with some users experiencing significant issues
- Privacy concerns related to data collection
User reviews
by Firefox user 18874217, 2025-03-09
by Firefox user 18693320, 2025-03-05
by shelbs, 2025-03-03
Add-on safety
Risk impact
Eno® from Capital One® requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk impact analysis details
- Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of Eno® from Capital One®. Use it at your own risk.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
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