日本語用コンテキスト検索

Name: 日本語用コンテキスト検索
Rating: 4.8947 (19 reviews)
Author: nepon

By: nepon

選択したテキストをコンテキストメニューから検索します検索エンジンに渡す文字列のコードをUTF-8/Shift_JIS/EUC-JP/ISO-2022-JPの中から選べます

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Features & Capabilities

「日本語用コンテキスト検索」は、選択したテキストを右クリックのコンテキストメニューから簡単に検索できるChrome拡張機能です。UTF-8、Shift_JIS、EUC-JP、ISO-2022-JPなどの日本語文字コードから検索エンジンに渡す文字コードを選択可能で、正確な日本語検索が可能です。

拡張機能はウェブ上のアイコン取得と保存のために必要な権限を持ち、Firefoxの異なるバージョンに対応したコンテキストメニュー項目のCSSセレクタも設定されています。日本語テキスト検索を快適にしたいユーザーに最適なツールです。

User Growth & Download Statistics

Add-on

By:

nepon

Daily users:

545 3

Rating:

4.89

(19)

Version:

0.6.1resigned1 Last updated: 2024-04-25

Version code:

5729072

Creation date:

2017-10-23

Risk:

Permissions:

Size:

93.86KB

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-19

Compare stats and ranking:

Ranking

# 4,653 ▲ 35

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Contact the developer

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Developed by:

nepon

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/context-search-ja/

User Reviews

Overall, reviews praise the add-on for being very convenient and easy to use, with a handy Japanese-context search accessible from the context menu. It uniquely supports Japanese string searches across sites (a Firefox strength versus Chrome) and offers useful customization options like importing search engines, favicon, and new-tab placement. It is also valued for practical uses such as tracking-number searches for Japanese carriers. Reported downsides include the absence of Chrome support and occasional challenges migrating settings between devices.

Pros

Very convenient and easy to use; context-menu Japanese search is handy.
Supports Japanese string searches across sites (notably not available in Chrome), giving Firefox a distinct advantage.
Rich customization: import search engines (mozlz4), favicon support, and configurable new-tab behavior.
Useful for carrier/tracking-number searches (e.g., Japanese carriers).

Cons

Chrome compatibility is lacking; users want Chrome support.
Settings portability across PCs can be problematic due to storage migration.

Recent reviews

by kt*****, 2025-12-27

by 退出*****, 2025-03-24

by 敬念*****, 2025-03-01

View all user reviews ›

Is 日本語用コンテキスト検索 Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

日本語用コンテキスト検索 requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

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

Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

日本語用コンテキスト検索 has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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