---
title: "CF TopHacker – Chrome extension stats, history and permissions"
description: "188 users, rated 5.00 by 4 people. Version 1.5.0, updated 2024-11-24. Requests 0 permissions."
url: "https://extensiontracker.com/extension/jjonaiodlgelhegbbihodicniiccbhbi"
---

# CF TopHacker

Live in the Chrome Web Store.

- Users: 188
- Rating: 5.00 from 4 ratings
- Last checked: 2026-09-27 03:46 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #51,377 of 264,703 live extensions
- Rank in Tools: #15,277 of 103,498

## The listing

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

Summary from the listing:

> Adds a 'Hacks Standings' button to Codeforces contest standings page

- Extension ID: `jjonaiodlgelhegbbihodicniiccbhbi`
- Developer: [RahulHarpal](https://extensiontracker.com/developer/uf64eaec3719c9e4a0327b140aba4307d)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2024-08-27
- Last updated: 2024-11-24
- Version: `1.5.0`
- Size: 91.64 KiB
- Minimum Chrome: 88
- Languages (1): English
- Support page: `https://github.com/rahulharpal1603/CF-TopHacker/issues`
- Chrome Web Store: <https://chromewebstore.google.com/detail/cf-tophacker/jjonaiodlgelhegbbihodicniiccbhbi>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fjjonaiodlgelhegbbihodicniiccbhbi>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 188 | 5.00 | 4 |

## 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 where it runs scripts

- `https://codeforces.com/contest/*/ratings*`: codeforces.com
- `https://codeforces.com/contest/*/standings*`: codeforces.com

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [CF Santa](https://extensiontracker.com/extension/plhbhcinlhibbpiebgihddlpbommhlbf) | 49 | 5.00 | 1 | Just for Fun |

All 2 extensions by [RahulHarpal](https://extensiontracker.com/developer/uf64eaec3719c9e4a0327b140aba4307d).

## 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 03:46 UTC; next check around 2026-10-24.

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

## Cite this page

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

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

---

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