All about FWL Files

The FWL file type is primarily associated with Valheim.

FWL	File extension: FWL
	File type:	Game save file

What is an FWL file

FWL files mostly belong to Valheim. This file is mainly used as a game save or world file.: It contains internal data for games. In most cases, FWL files store settings and map details for titles such as Valheim. They handle game state, level design, and player progress.

Game World and Save Data: These files record the world configuration and game saves. They are found in games similar to Valheim, Factorio, and may function like Minecraft or 7 Days to Die save files.

Vehicle Configuration: In rare cases, a FWL file is used as a BMW vehicle configuration file. Tools like E-Sys or the BMW Coding Tool manage these files.

For further details on the game aspect, you can refer to the official Valheim site or the Valheim Wiki.
FilExt.com note: Do not edit these files in a basic text editor. Use the proper game launcher or configuration tools to view them safely.

How to open an FWL file

You need a suitable software like Valheim to open an FWL 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 FWL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a FWL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online FWL Text Viewer

Choose your .fwl file to analyze

or drag and drop it here

Online File Viewer

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FWL file format details:

To view or edit FWL files you need to know the file format, because it determines how the data in this file is stored. The file format can be determined based on the file extension and the signature (the first few characters of a file). However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. So you need a detailed analysis of a file to find out the format and the associated program. Below you will find our evaluation of the FWL files:

FWL is a very widely used file extension. The file type includes many different file formats. But the following two file formats are common:

• 20% of all FWL files start with the bytes 25 00 00 00 crucial for this file format. The content consists of illegible binary data, which can only be read and interpreted by the associated programs. A typical file size is 41 bytes. The file type is very recent. The following keywords are characteristic: world. A common filename is World.fwl. Such files sometimes refer to first.
• 10% of all FWL files use the same file format, which have the signature 28 00 00 00. These files contain neither text nor words, but only data. The average file size is 44 bytes with most files being between 44 bytes and 50 bytes in size. The following filename is common: NewWorld.fwl or vhserver.fwl. Files like these are sometimes connected to kattegat and valhalla.

All other FWL files (70%) have different formats, the following 15 formats can be found: CAF. They are often associated with server, cafd, lingea, save, local or iron. If you want to find out which format your FWL file belongs to, just click on the button "Choose your .fwl file to analyze".