Opening a C4F File

The C4F file type is primarily associated with Clonk.

C4F	File extension: C4F
	File type:	Round File

What is a C4F file?

C4F files mostly belong to Clonk by RedWolf Design GmbH. Use our "Online C4F Text Viewer" below to analyze your C4F file and to see all text it contains.

How to open a C4F file

You need a suitable software like Clonk to open a C4F file. You need a suitable software like Clonk from RedWolf Design GmbH to open a C4F 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 C4F file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a C4F file directly in the browser:. Just drag the file onto this browser window and drop it.

Online C4F Text Viewer

Choose your .c4f file to analyze

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

What to Do When a .C4F File Fails to Open

Because .C4F files can originate from different programs, they aren't universally openable.

Identify the Source: Receiving the file from a gamer or a modding forum strongly suggests it is a Clonk Round File.
Check the Header: Inspect the first few bytes in a hex viewer or text editor:
- "PK" indicates a standard ZIP-based archive.
- Readable text or XML suggests a configuration script.
- Unreadable binary data implies a proprietary game format.
Use the Original Software: The original program is usually required to open it properly; try Clonk by RedWolf Design GmbH, or ask the sender if you are unsure.
Use this Webpage: Drag and drop your .C4F file into our viewer to automatically detect its format, extract readable metadata, and preview its contents.

Technical Data for C4F File Extension

File classification:

Game

Identifier:

Hex: 1E 8C 08 00 00 00 00 00 00 0B EC (provided by TrID database)

Related files:

c4p, c4v, c4g

Mime type:

application/vnd.clonk.c4group

a c4f Round File is a special file format by RedWolf Design GmbH and should only be edited and saved with the appropriate software.

How to solve problems with C4F files

Associate the C4F file extension with the correct application.
Update your software that should actually open round files. Because only the current version supports the latest C4F file format. Search, therefore, e.g. on the RedWolf Design GmbH manufacturer website after an available Clonk update.
To make sure that your C4F file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .C4F file online - secure, fast, and no downloads needed.