# CFHideProblems@leksi.net

> In the interface of the website CodeForces.com this extension allows you to hide unnecessary tasks from the Problemset table, show hidden tasks and stop hiding tasks. Supports transferring the list of hidden tasks between devices.

Canonical page: [https://chrome-stats.com/d/cfhideproblems-leksi-net](https://chrome-stats.com/d/cfhideproblems-leksi-net)

## Overview

- **ID:** `cfhideproblems-leksi-net`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Leksiq
- **Category:** other
- **Version:** 1.0.1
- **Last updated:** 2021-02-13
- **First published:** 2021-02-12
- **Size:** 42 KB
- **Data as of:** 2026-09-05
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/cfhideproblems-leksi-net/)

## Description

CFHideProblems@leksi.net is a Firefox add-on that lets you hide unnecessary tasks from the Problemset table on CodeForces.com. It also allows you to show hidden tasks and stop hiding tasks if you want to learn new programming languages. You can easily transfer the list of hidden tasks between devices.

## Rankings

- #147,255 — Overall
- #9 — math problems
- #129 — problem

## Permissions and access

### Permissions

- `https://codeforces.com/*`
- `tabs`
- `storage`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/cfhideproblems-leksi-net)