Which MIME types are related to file extension ".osz"?
The .osz file extension is associated with 1 MIME types:
application/x-osu-beatmap-archive.
A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.
About .osz Files
OSZ files are osu! beatmap archive containers that bundle all data needed for an osu! level. They use the MIME type application/x-osu-beatmap-archive, which signals their specialized role for the osu! game.
- Main Use: To store and share complete beatmaps for the osu! rhythm game.
- Contents: They typically include audio tracks, background images, timing data, and hit-object details.
- Software: The osu! game opens these files automatically. You can also extract them using archive tools like 7-Zip.
- Community Impact: They enable players to easily distribute and download custom game levels.
Relationship between file extension and MIME type
A file extension is a suffix at the end of a filename that indicates what type of file it is. File extensions help both users and operating systems identify what application should be used to open the file.
File extensions are typically separated from the filename by a period (dot) and consist of 2-4 characters, though they can be longer. For example, in the filename "document.pdf", ".pdf" is the file extension.
File extensions are closely related to MIME types, as they both serve to identify the format of a file. However, while MIME types are used primarily by web browsers and servers, file extensions are used by operating systems and applications.
Associated MIME types
application/x-osu-beatmap-archive
FAQs
How do I open an .osz file?
The primary way to open an .osz file is to double-click it while having the game osu! installed. The game will automatically launch and import the beatmap. Alternatively, you can drag and drop the file directly into the osu! game window while it is running.
Can I see what is inside an .osz file without the game?
Yes, an .osz file is simply a compressed archive, similar to a standard .zip file. You can rename the file extension from .osz to .zip and open it with Windows Explorer, or right-click the file and open it using tools like 7-Zip or WinRAR to view the audio and image files inside.
How do I extract the music (MP3) from an .osz file?
You do not need a converter software. Since the file is an archive, simply open it with an archive manager like 7-Zip (or rename it to .zip). Once opened, locate the audio file (usually .mp3 or .ogg) inside the folder and drag it to your desktop.
Why won't my .osz file import into osu!?
If double-clicking fails, try moving the file manually into the Songs folder located in your osu! installation directory. After moving the file, open the game and press F5 on the song selection screen to force the game to process new beatmaps.
What is the correct MIME type for .osz files?
The specific media type used for these archives is application/x-osu-beatmap-archive. This configuration ensures that web browsers and operating systems recognize the file as a game package rather than a generic zip file. For more technical details, visit mime-type.com.
Are .osz files safe to download?
Generally, yes, especially if downloaded from the official osu! website or trusted community mirrors. However, because they are archives that can contain various file types, you should always ensure your antivirus is active when downloading files from unknown sources.
How do I create an .osz file to share my beatmap?
You can create an .osz file directly within the osu! editor. Open your beatmap in the editor, click on File in the top menu, and select Export Package. This bundles your map data, audio, and background video/images into a single shareable file.
General FAQ
What is a MIME type?
A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.
MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.
MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.
How do I find the MIME type for a file?
You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.
Why can one extension have multiple MIME types?
Different programs and historical usage may assign various MIME identifiers to the same file format. Listing them together helps maintain compatibility across tools.