# H2K

> Converts text on a webpage between hiragana and katakana.

Canonical page: [https://chrome-stats.com/d/h2k](https://chrome-stats.com/d/h2k)

## Overview

- **ID:** `h2k`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** leukosia
- **Category:** language-support
- **Daily users:** 2
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.2.2
- **Last updated:** 2021-05-27
- **First published:** 2021-05-25
- **Size:** 50 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/h2k/)

## Description

H2K is a useful Firefox add-on for learning Japanese. It allows you to convert text on webpages between hiragana and katakana, helping you improve your reading speed. Whether you want to convert hiragana to katakana or vice versa, H2K is the perfect tool for you.

## Rankings

- #61,395 — Overall

## Permissions and access

### Permissions

- `storage`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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/h2k)