Stable signalNo paid features detectedMedium-risk permissions

Rajiko

Rajikoはradiko.jpのジオロケーション制限を解除するツールです！大阪、長崎、そして海外から東京、青森などのラジオをお楽しみください！

Users100KCurrent public install base

Rating4.6Store average score

Reviews182Public review volume

Manifest versionV3Extension platform version

7-day growth0Net users gained this week

7-day growth rate0%Relative weekly velocity

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Rajiko Media preview

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7-day rating change

Start

4.63

Latest

4.63

7-day rating change

0.00

2026年7月15日2026年7月21日

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Technical snapshot

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Version3.2026.2

ManifestV3

Size232KiB

Languages3English / 中文（中国） / 日本語

Published--

Store updated--

Last crawled--

Overview

Product summary

Review the store description, core capabilities, and common use cases.

radiko.jpをジオロアンロックして、日本国内そして海外からも日本各地のラジオを聴ける。

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To celebrate the reunion of Kalafina at the end of 2024, Rajiko will be continued to support Chromium based browsers.

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You could sponsor me via [Ko-fi](https://ko-fi.com/jackyzy823) ! Thank you!

Note: For Japanese or japan resident, Please don't sponsor unless you've subscribed a Radiko's premium plan(https://radiko.jp/premium)!

Reviews

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Store average score4.6Chrome Web Store aggregate rating, including ratings without synced review text

Synced text average4.6Average computed only from synced review bodies below

Reviews with text126Synced review bodies

Total ratings / reviews182Chrome Web Store public rating/review count

Store average score: 4.6. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★

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Sora Kano2021年1月16日

海外でも地元のラジオが聞けて感動したTAT

May Y2021年1月8日

質問なのですがこちらのrajikoを使って再生していてもradikoや局側からは他リスナーと同じように再生回数として記録されるのでしょうか？　Does the stream get counted when I listen by using this app?

赵茜2021年1月2日

Thank you so much for making it so easy to listen to the Japanese Radios! You've no idea how helpful that it!

KAIRUI CHEN2021年1月1日

真的非常感谢这个插件！！今天看到还更新了录音功能，真的太棒了！

礒野isogino2020年12月5日

実際のラジオなら聴けるお隣の県からの放送が、PCでも聴けるようになりました。できるなら、radiko公式サイトへのリンクがあると便利かと思います。

Ko Ko2020年11月23日

ファイル名に番組名が付くと助かります。

Kerus2020年11月19日

Thanks a lot.

Alice C2020年10月17日

It's easy to use and a perfect way to listen to radio in JP. Thank you for developing this extension! 簡單實用，方邊收聽日本的廣播節目。感謝開發者！

舞い散る花びら2020年9月8日

你好，一直用这个程序，非常感激。我9月6日使用还一切正常，但今天（9/8）使用插件事实显示无法收听，始终需要reload，回放也无法听，下载同样无反应。尝试重新安装了拓展程序依然是这样，请问是出了什么问题吗？

鈴木ジュン2020年8月26日

這個套件也太厲害了！！非常感謝！！

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AI product read

Bypass radiko.jp geolocation restrictions to listen to Japanese radio from any region or overseas

radiko.jp restricts radio streaming to specific Japanese regions based on IP geolocation. Users outside their registered area (or overseas) cannot listen to stations from other regions. Rajiko solves this by using the Android authentication flow with spoofed GPS coordinates instead of IP-based location checks, allowing access to all Japanese radio stations.

User installs extension and optionally selects a Japanese region in the popup. When visiting radiko.jp, the extension automatically intercepts auth requests and injects spoofed GPS coordinates for the selected area, bypassing geo-restrictions. User can then play any station. For recording, user clicks the record button in the popup during live playback. For timeshift downloads, user navigates to a timeshift program page and clicks the download button.

Target users: Japanese radio listeners outside their registered region in Japan / Overseas Japanese radio fans who want to access radiko.jp / Users who want to record or download radiko radio content

The source code is available and well-documented with a detailed README, making analysis reliable. No server-side code needed verification. The only area of mild uncertainty is whether the timefree30 feature (which requires radiko premium login on the website) could be considered a paid feature of the extension—but since it requires radiko.jp's own premium subscription and the extension merely passes through the existing session cookie, it is properly classified as a destination_service feature, not an extension paid feature.

Monetization

No paid features detected

The extension itself is completely free and open-source (GitHub: github.com/jackyzy823/rajiko). There is no payment UI, no subscription mechanism, no Stripe or other payment platform integration, and no features gated behind payment. The 'premium' references in the code (modules/auth.js line 8: 'Auth token generated with premium radiko_session cookie can access the tf30 resource') refer to radiko.jp's own premium subscription plan for timefree30 content—a destination service feature, not an extension feature. The Ko-fi link in the popup (pages/popup.html line 70) is a voluntary donation link for the developer, not a payment requirement for extension features. The 'subscribe' and 'premium plan' keywords detected in the heuristic are from the store description mentioning Ko-fi sponsorship and radiko's premium plan, neither of which constitute paid features within the extension itself.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension's core functionality—bypassing radiko.jp geolocation restrictions to listen to live radio and download basic timeshift content—requires NO login. The extension programmatically generates random device info and auth tokens via radiko's Android auth API (auth1/auth2) without any user account (modules/auth.js lines 35-60). All 'auth' and 'token' references in the code are about radiko's API authentication flow, not user login. There is no login form, no account creation, and no sign-in UI in the extension. The only login-related mention is an optional case: to download 'timefree30' content (a radiko premium-only feature), the user must be logged into their own radiko.jp account via the website—but this is logging into the destination service, not the extension itself, and it is optional for a specific advanced feature.

Permission risk

Medium-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

扩展能力较强：activeTab、cookies、storage、webRequest、downloads、scripting

Publisher

jackyzy823

Independent publisher

Email: [email protected]
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