# CloudHole

> Cross-website CloudFlare cookies

Canonical page: [https://chrome-stats.com/d/cloudhole](https://chrome-stats.com/d/cloudhole)

## Overview

- **ID:** `cloudhole`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** scakemyer
- **Category:** web-development,tabs
- **Daily users:** 105
- **Weekly downloads:** 1
- **Rating:** 3.15 / 5 (13 ratings)
- **Version:** 1.4.5resigned1
- **Last updated:** 2024-04-25
- **First published:** 2016-03-12
- **Size:** 33 KB
- **Data as of:** 2026-09-15
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/cloudhole/)

## Description

CloudHole is a Chrome extension designed to ease the frequent CloudFlare captcha challenge faced by VPN and TOR users. Typically, CloudFlare's clearance cookie is unique per website, requiring users to solve captchas multiple times when visiting different sites behind CloudFlare protection. This extension captures the user agent and clearance cookie after solving a captcha and reuses them across other CloudFlare-protected websites during the same browsing session, significantly reducing repetitive captcha prompts.

Additionally, CloudHole supports syncing clearance cookies through its API, enabling users to share their validated cookies across devices, embedded systems, or API calls that cannot complete captchas independently. This makes it ideal for users who wish to maintain uninterrupted access across multiple devices or automated systems without manual captcha solving each time.

## Rankings

- #11,406 — Overall
- #47 — cloud
- #71 — hold
- #95 — captcha
- #241 — home

## Permissions and access

### Permissions

- `tabs`
- `storage`
- `webRequest`
- `webRequestBlocking`
- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low 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/cloudhole)