All about FCH Files

The FCH file type is primarily associated with Valheim.

FCH	File extension: FCH
	File type:	game data file

What is an FCH file?

FCH files mostly belong to Valheim. FCH files are specialized files for storing game character data.
This file format holds information about your in‐game character such as progress, attributes, and settings. It is primarily used by Valheim and also appears in games like Mount & Blade II: Bannerlord.
Key details compiled by FilExt.com:

Character data storage: The file saves details about your avatar which the game engine uses to load your profile.

Proprietary structure: Its internal binary format is meant to be read by the game, not through standard text editors.

Specialized access: View or modify these files only through the game or trusted modding tools.

Further info: More insights can be found on the Valheim Wiki.

Usage tips:

Back up your FCH file before making any changes.

If editing is necessary, use a hex editor or game-specific mod tool.

How to open an FCH file

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

Online FCH Text Viewer

Choose your .fch file to analyze

or drag and drop it here

Online File Viewer

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FCH file format details:

A file format defines how the data in the file is structured. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So you need a detailed analysis of a file to find out the format and the associated program. Our evaluation of the FCH files is as follows:

The FCH extension is very commonly used. This FCH file itself is among the most popular common file types and is mainly used by one program with a specific format. The file formats most commonly found in FCH files are:

• 80% of all FCH files use the same file format, which have the signature 00 00 00 00. The content consists of illegible binary data, which can only be read and interpreted by the associated programs. FCH files can be up to 100 MB in size, but are often around 4 MB - 16 MB. This file type is new and state-of-the-art. These files are attributed to ragnar, local, thor, man, characters, valheim, data, gate and iron.
• 1% of all FCH files start with the magic bytes F0 00 00 00, which are always the first bytes of this file format. They consist of unreadable binary data. The files are 310 bytes to 310 bytes in size, with a median of 310 bytes. Several words can almost always be found in the files, e.g. ArmorRagsChest, Torch and Test. A usual file name is test.fch.

The remaining 19% of all FCH files are different files with different signatures, the following 7 formats exist: Torch. These files sometimes refer to geralt, black, jesus, kopie, jarl, character, viking or ivar. You can get all the details of your FCH file by dragging it onto this page or by clicking the button "Choose your .fch file to analyze" above.