---
title: "CartHappy: Automatic Grocery Savings – Chrome extension stats, history and permissions"
description: "398 users, rated 5.00 by 13 people. Version 1.5, updated 2026-09-14. Requests 15 permissions."
url: "https://extensiontracker.com/extension/fielnnbciidglffhngfekpdjfpdedoep"
---

# CartHappy: Automatic Grocery Savings

Live in the Chrome Web Store.

- Users: 398
- Rating: 5.00 from 13 ratings
- Last checked: 2026-09-27 01:08 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #37,413 of 264,703 live extensions
- Rank in Shopping: #1,273 of 8,433

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Save money on groceries without changing how you shop.

- Extension ID: `fielnnbciidglffhngfekpdjfpdedoep`
- Developer: [engineering](https://extensiontracker.com/developer/u967b9ef612818f2d536de981d2827251)
- Category: [Lifestyle › Shopping](https://extensiontracker.com/category/lifestyle/shopping)
- First published: 2026-05-04
- Last updated: 2026-09-14
- Version: `1.5`
- Size: 1.68 MiB
- Minimum Chrome: 88
- Languages (1): English (United States)
- Website: `carthappy.com`
- Support page: `https://www.carthappy.com/faq`
- Chrome Web Store: <https://chromewebstore.google.com/detail/carthappy-automatic-groce/fielnnbciidglffhngfekpdjfpdedoep>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Ffielnnbciidglffhngfekpdjfpdedoep>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 398 | 5.00 | 13 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `https://app.posthog.com/*`: app.posthog.com
- `https://auth.carthappy.com/*`: auth.carthappy.com
- `https://login.kroger.com/*`: login.kroger.com
- `https://www.aldi.us/*`: www.aldi.us
- `https://www.carthappy.com/*`: www.carthappy.com
- `https://www.fredmeyer.com/*`: www.fredmeyer.com
- `https://www.harristeeter.com/*`: www.harristeeter.com
- `https://www.kingsoopers.com/*`: www.kingsoopers.com
- `https://www.kroger.com/*`: www.kroger.com
- `https://www.safeway.com/*`: www.safeway.com
- `https://www.target.com/*`: www.target.com
- `https://www.walmart.com/*`: www.walmart.com

### Sites where it runs scripts

- `https://www.aldi.us/*`: www.aldi.us
- `https://www.carthappy.com/client/order/launch-retailer-cart-extension-automation*`: www.carthappy.com
- `https://www.carthappy.com/client/purchase/order/*`: www.carthappy.com
- `https://www.carthappy.com/welcome`: www.carthappy.com
- `https://www.fredmeyer.com/*`: www.fredmeyer.com
- `https://www.harristeeter.com/*`: www.harristeeter.com
- `https://www.kingsoopers.com/*`: www.kingsoopers.com
- `https://www.kroger.com/*`: www.kroger.com
- `https://www.safeway.com/*`: www.safeway.com
- `https://www.target.com/*`: www.target.com
- `https://www.walmart.com/*`: www.walmart.com

### Browser features

- `identity`: Sign you in with your Google account
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 01:08 UTC; next check around 2026-10-11.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “CartHappy: Automatic Grocery Savings” (fielnnbciidglffhngfekpdjfpdedoep). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/fielnnbciidglffhngfekpdjfpdedoep. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_fielnnbciidglffhngfekpdjfpdedoep,
  title   = {CartHappy: Automatic Grocery Savings (fielnnbciidglffhngfekpdjfpdedoep)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/fielnnbciidglffhngfekpdjfpdedoep},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/fielnnbciidglffhngfekpdjfpdedoep>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.