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

3 assets

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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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1-day growthFlat

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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

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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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1★

wststreet 22019年5月6日

I love it, thank you so much! I also got it to work on Kiwi browser on mobile.

TTzzzGXT6602019年4月7日

偶然見つけました、某所からの圧力が心配です。 chrome os で使っていますが問題なしです。

NAKAなかAKIRAあきら2019年3月14日

久々chrome ウェブストアを開いたら出てきた。モノは試しとインストール。結果、バッチリ聞けます。地元沖縄のローカル局が聞ける！！感動です。

Tei Mamoru2019年3月1日

對宥於鎖區而無法使用radiko的海外聽眾來說，這個擴充程式真的非常實用！而且還有タイムフリー回聽錄音的功能，除了讚讚讚，已經找不到別的形容詞可以形容了!!! 感謝開發者的無私貢獻！

Anonymous user2019年2月12日

ありがたいが、razikoみたいに、radikoの圧力がひどかったから、この拡張もいつまであるかわからない。確かwakamatsu氏も賠償をするとdadikoのあつりょくにより、結果play storeからなくなったからな。radiko社がみつけないといいけどな。あまりにエリアフリーはたかいからね。

Hsu tingshin (穗麒)2019年2月2日

已經使用好幾個月了非常好用，但這個禮拜卻突然無法下載タイムフリー的錄音檔......會一直出現失敗-網路錯誤的訊息，已經更新到最新版本了，請問可以如何解決？

Anonymous user2019年1月31日

今までは、PCで、SoftEther VPN クライアントを起動させ、VPN Gate 公開VPN中継サーバー一覧のJapanのサーバーを順番に起動させて、radiko_player_airを起動させて、私の場合は「関東圏」のラジオ聴いてました。が、これがあればその手間なく日本全国のラジオが聴けるようになり大変ありがたいです。ただ、拡張機能のクリックで表示される「確認する」をradiko.jpのタブ以外でクリックしてしまうと、ブラウザが固まってしまいます。また、radiko.jpページ上で「確認する」をクリックした場合、完全にアドレスがradiko.jpに戻ったうえで更新できるように改善お願いします。ありがとうございます。

Niboshi2019年1月28日

当我用它打开radiko的时候，一直在缓冲，无法正常收听 When I opened this in radiko, it is always buffering and cannot be listened to properly.

Xiting Qiao2019年1月15日

每周都在用，最近Chrome上现在显示不出来了，就换用了Firefox的，实时和タイムフリー都可以听，但是实时录音还有タイムリフリー的都无法下载了，期待更新>///<

Ruvic S.2018年11月13日

県境近くに住む自分は、今まで現在地が隣の県で判定されてました。地元のラジオを聴けるようになったので、とても嬉しいです！

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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

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