---
title: "CSES Helper – Chrome extension stats, history and permissions"
description: "268 users, rated 5.00 by 9 people. Version 2.0, updated 2024-07-13. Requests 2 permissions."
url: "https://extensiontracker.com/extension/jlnhaopekfailnmahfefmegkjofkcnlk"
---

# CSES Helper

Live in the Chrome Web Store.

- Users: 268
- Rating: 5.00 from 9 ratings
- Last checked: 2026-09-27 03:51 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #44,309 of 264,703 live extensions
- Rank in Tools: #12,860 of 103,498

## The listing

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

Summary from the listing:

> This extension is aimed at aiding the coding experience on the CSES website. This is done by providing a textarea to paste the code…

- Extension ID: `jlnhaopekfailnmahfefmegkjofkcnlk`
- Developer: [Samudra Mitra](https://extensiontracker.com/developer/u98c3cbc0376619d4776af7e9ea3f7ca7)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2024-07-13
- Last updated: 2024-07-13
- Version: `2.0`
- Size: 8.64 KiB
- Minimum Chrome: 88
- Languages (1): English (United States)
- Chrome Web Store: <https://chromewebstore.google.com/detail/cses-helper/jlnhaopekfailnmahfefmegkjofkcnlk>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fjlnhaopekfailnmahfefmegkjofkcnlk>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 268 | 5.00 | 9 |

## 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://cses.fi/*`: cses.fi

### Sites where it runs scripts

- `https://cses.fi/*`: cses.fi

### Browser features

- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Rule Visualizer](https://extensiontracker.com/extension/ehifdenbepmplngeagjooiekflagpgih) | 394 | 5.00 | 2 | Tools |
| [CSES Problem Beautifier](https://extensiontracker.com/extension/mjnblfeiocpgoigfacikepgdhnocfbnm) | 315 | 5.00 | 7 | Education |
| [Rule Engine Extension Beta Version](https://extensiontracker.com/extension/pepldpamkangeodenmknnlpjjiohmeol) | 5 | – | – | Tools |

All 4 extensions by [Samudra Mitra](https://extensiontracker.com/developer/u98c3cbc0376619d4776af7e9ea3f7ca7).

## 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 03:51 UTC; next check around 2026-10-12.

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

## Cite this page

Extension Tracker. “CSES Helper” (jlnhaopekfailnmahfefmegkjofkcnlk). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/jlnhaopekfailnmahfefmegkjofkcnlk. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_jlnhaopekfailnmahfefmegkjofkcnlk,
  title   = {CSES Helper (jlnhaopekfailnmahfefmegkjofkcnlk)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/jlnhaopekfailnmahfefmegkjofkcnlk},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/jlnhaopekfailnmahfefmegkjofkcnlk>. 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`.