Opening a REDS File

The REDS file type is primarily associated with Cyber Engine Tweaks.

REDS	File extension: REDS
	File type:	Mod settings file

What is a REDS file?

REDS files mostly belong to Cyber Engine Tweaks. A *.REDS file stores mod settings for the game Cyberpunk 2077, specifically those managed by the Cyber Engine Tweaks mod. It utilizes an internal file format likely related to the RED Engine, the game's development engine.

How can I open a REDS file?

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

Online REDS Text Viewer

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4 Steps to Open an Unknown .REDS File

Since .REDS files come from various programs, they aren't universally openable.

Identify the Source: A file from a gaming forum is likely a Cyberpunk 2077 game mod settings file. If received from a developer, it may be Redscript source code.
Check the Header: Inspect the opening lines in a text editor or hex viewer.
- Readable code or JSON-like syntax suggests a Cyber Engine Tweaks mod settings file.
- "PK" indicates a zipped archive.
- Garbled text implies a compiled binary.
Use the Original Software: You usually need the original program, like Cyber Engine Tweaks, Redscript, or Notepad++; if uncertain, ask the sender.
Use this Webpage: Drag and drop your .REDS file into our viewer to detect the format, extract readable text or metadata, and preview contents when possible.

Technical Data for REDS File Extension

File classification:

Game mod settings

Related files:

red, spf, nps, odc

Mime type:

text/x-red, text/x-red-system

a reds Mod settings file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with REDS files

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