# Joshi Koukousei Captcha Service

> The captcha solver made by and for japanese high school girls

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

## Overview

- **ID:** `new-jkcs`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Max
- **Category:** social-communication
- **Daily users:** 23
- **Weekly downloads:** 1
- **Rating:** 3.67 / 5 (6 ratings)
- **Version:** 0.62
- **Last updated:** 2023-12-23
- **First published:** 2023-08-10
- **Size:** 2.90 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/new-jkcs/)
- **Website:** [https://git.coom.tech/araragi/JKCS](https://git.coom.tech/araragi/JKCS)

## Description

Tired of solving captchas all day? Don't want carpal tunnel syndrome young? Have dyslexia? Legally blind?
Then Joshi Koukousei's Captcha Service is here for you!

Using a small machine learning model, JKCS saves you time by solving 4chan captchas for you!

(Re-upload of <a href="https://addons.mozilla.org/en-US/firefox/addon/jkcs/" rel="nofollow">https://addons.mozilla.org/en-US/firefox/addon/jkcs/</a> since araragi became inactive and she cannot update it anymore..)

## Rankings

- #22,828 — Overall
- #21 — service
- #24 — captcha
- #43 — tunneling

## Permissions and access

### Permissions

- `https://*.4chan.org/*`
- `https://*.4channel.org/*`
- `https://sys.4chan.org/*`

### Content script matches

- `*.4chan.org`
- `*.4channel.org`
- `sys.4chan.org`

## 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 support email may not be valid

> 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/new-jkcs)