What does osu! preview do?

Osu! preview focuses on previewing osu! beatmaps in a browser before playing or downloading them. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use osu! preview?

osu! preview is an open-source project built for osu! players and beatmap creators.

Is osu! preview free?

Yes — osu! preview is open source under the Open Source license and free to use.

What platforms does osu! preview run on?

osu! preview runs on the web and embeddable surfaces.

Is osu! preview still active?

Unverified. osu! preview has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to osu! preview?

Similar projects tracked by PulseGate include Hashrate Lens, SaveAI, and Codex File Drop.

Who develops osu! preview?

osu! preview is developed by JerryZhu99.

How long has osu! preview been around?

osu! preview first shipped in 2022.

Back to the index

osu! preview

Name: osu! preview
Author: JerryZhu99

github.comInfrastructure

osu! preview is an open-source browser tool for previewing osu! beatmaps. It helps osu! players and beatmap creators inspect beatmaps through a web-based preview experience.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

osu! preview is a Browser DevTools & extensions project. It focuses on previewing osu! beatmaps in a browser before playing or downloading them. It is built as an open-source project for osu! players and beatmap creators. osu! preview is open source under the Open Source license. It ships for the web and embeddable surfaces.

JerryZhu99 builds and maintains osu! preview, and it first shipped in 2022. Key capabilities include beatmap preview, browser playback, and chrome extension.

Summary written by a language model from the project’s public pages.

Beatmap preview
Browser playback
Chrome extension
Firefox add-on

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 07:46 UTC
osu! preview verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about osu! preview

What does osu! preview do?: Osu! preview focuses on previewing osu! beatmaps in a browser before playing or downloading them. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use osu! preview?: osu! preview is an open-source project built for osu! players and beatmap creators.
Is osu! preview free?: Yes — osu! preview is open source under the Open Source license and free to use.
What platforms does osu! preview run on?: osu! preview runs on the web and embeddable surfaces.
Is osu! preview still active?: Unverified. osu! preview has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to osu! preview?: Similar projects tracked by PulseGate include Hashrate Lens, SaveAI, and Codex File Drop.Hashrate Lens SaveAI Codex File Drop
Who develops osu! preview?: osu! preview is developed by JerryZhu99.
How long has osu! preview been around?: osu! preview first shipped in 2022.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: osu! players and beatmap creators
Model: Open source
Solves: Previewing osu! beatmaps in a browser before playing or downloading them.

Registered as

Firefox Add-ons: osu-preview

Developer

JerryZhu99

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
Last seen: 9 Sept 2026

Identity audit (13)

Slug: osu-preview-github-com
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 9 Sept 2026
Canonical URL: https://github.com/JerryZhu99/osu-preview

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