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

Preview

Rajiko Media preview

3 assets

Trend

User growth trend

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User Growth Over Time

Rating trend

7-day rating trend

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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

Growth overview

Daily, weekly, and monthly growth

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1-day growthFlat

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Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

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

Recent review snapshot

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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★

4★

3★

2★

1★

8823 SeaMan2019年12月23日

偶然！

maingl2019年11月12日

非常好用不知道能不能出一个能下载らじる聞き逃し的扩展

K iralive2019年9月15日

很赞的软件，但是是否能在插件中加一个下载的进度条？感觉下的很慢又不知道进度

Chamos2019年9月8日

エリアフリーには出来たのですが、あるサイトに書いてありました録音機能が使えません。 Rを押しても録音の項目が表示されません。

Oston LI2019年8月11日

你好, 月初使用了该插件. 非常好用. 但是最近几天发现用不了了在Radiko按"再生する"收听就弹出再生失败, 请reload的提示是不是Radiko更新导致的呢? 作者可以稍微解答一下吗

YH CH2019年8月9日

Best app for foreign user. Many thanks!!!

阿玹 Syuan.2019年8月3日

請問為甚麼我的瀏覽器和擴充功能都是新版，可是radiko一直顯示再生失敗

h s (12hoursleeping)2019年6月16日

最近タイムフリーをダウンロードしようとすると固まってしまい、削除→再インストールをしないと動かなくなってしまいました。

疾風2019年6月10日

非常好用，赞赞赞！

el “pixel” pix2019年5月10日

良い。無料で全国のラジオが聴けます。ただ、いつ消えるかは分からないので見つけた方は今のうちにダウンロードするのをお勧めします。

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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

Email: [email protected]
Phone: --
Address: --

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