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Automatically shows update dates, video/audio type, and duration on Onsen (onsen.ag) listings, plus display customization. "Onsen Plus" is a browser extension for the internet radio site "Onsen (onsen.ag)" that automatically shows the update date, duration, and video/audio type on the program list and on your My Page playlist. ■ Good for you if... ・You check a lot of shows every day and want to instantly spot which episodes are new ・You want to know whether an episode is video or audio-only before playing it ・You like to check the duration before you start listening ■ Main features ・Update date badge: Shows each program card's delivery date, color-coded by how recent it is (this week / last week / two weeks ago / older), so new episodes stand out at a glance. ・Video/audio badge: Shows whether an episode is a video stream or audio-only, before you play it. ・Duration badge: Shows each episode's total running time in minutes. ・For Premium members, when both a free preview and the full premium version of an episode exist, the extension automatically shows the duration of the full version. ・Also works on the My Page playlist, showing duration and type for every episode you've added (Premium members only). ・Once fetched, data is cached in your browser, so it loads instantly the next time. ■ Your data stays with you ・Fetched data is only stored in your browser's local storage on your device; nothing is ever sent to an external server. ・It simply adds extra information on top of Onsen's normal pages - a lightweight enhancement, nothing more. ■ What's next More convenience features, such as display customization, are planned for future updates. * This is an unofficial, fan-made tool for Onsen (onsen.ag) and is not affiliated with the Onsen operators.
Sep 4, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.