# LeetCode Manual Checker

> Adds a manual checkbox before each LeetCode problem. Persists marks across restarts.

Canonical page: [https://chrome-stats.com/d/leetcode-manual-checker](https://chrome-stats.com/d/leetcode-manual-checker)

## Overview

- **ID:** `leetcode-manual-checker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** rujeetj
- **Category:** search-tools,appearance,tabs
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2025-10-12
- **First published:** 2025-10-09
- **Size:** 967 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/leetcode-manual-checker/)

## Rankings

- #113,749 — Overall
- #112 — leetcode

## Permissions and access

### Permissions

- `storage`

### Content script matches

- `leetcode.com`

## Safety

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

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- 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/leetcode-manual-checker)