Opening PSOLIB Files

The PSOLIB file type is primarily associated with Phantasy Star Online 2.

PSOLIB	File extension: PSOLIB
	File type:	Shader Library

What is a PSOLIB file?

PSOLIB files mostly belong to Phantasy Star Online 2. A *.PSOLIB file is a container for precompiled shader objects used by the Phantasy Star Online 2 game. These files store compiled shader programs in an optimized format, improving loading times and rendering efficiency within the game. They contain shader bytecode and associated metadata, enabling the game engine to efficiently access and utilize precompiled shaders during rendering. While often associated with PSO2 Tweaker, a third-party tool, *.PSOLIB files are primarily utilized by the game itself for managing and rendering its graphics.

How to open PSOLIB files

You need a suitable software like Phantasy Star Online 2 to open a PSOLIB file. You need a suitable software like Phantasy Star Online 2 to open a PSOLIB file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your PSOLIB file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a PSOLIB file directly in the browser:. Just drag the file onto this browser window and drop it.

Online PSOLIB Text Viewer

Choose your .psolib file to analyze

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.PSOLIB File Won't Open? Here is What You Can Do

Because .PSOLIB files can originate from different programs, they aren't universally openable.

Identify the Source: If received from a game modder or dataminer, it is likely a Phantasy Star Online 2 Shader Library containing game graphics data.
Check the Header: Open the file in a hex editor.
- Seeing compiled binary data or Sega archive signatures implies a proprietary game asset.
- Seeing readable HLSL/GLSL code suggests an uncompiled shader script.
Use the Original Software: You typically need Phantasy Star Online 2 to utilize these natively. For editing, community tools like PSO2 Tweaker or specialized unpackers are required. If unsure, ask the sender.
Use this Webpage: Drag and drop your .PSOLIB file onto this page to detect its format, extract metadata, and preview readable contents.

Technical Data for PSOLIB File Extension

File classification:

Game Data

Related files:

wgd, sha, shader

a psolib Shader Library is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with PSOLIB files

Associate the PSOLIB file extension with the correct application.
Update your software that should actually open shader librarys. Because only the current version supports the latest PSOLIB file format. Search, therefore, e.g. on the manufacturer website after an available Phantasy Star Online 2 update.
To make sure that your PSOLIB file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .PSOLIB file online - secure, fast, and no downloads needed.