Opening MCFUNCTION Files

The MCFUNCTION file type is primarily associated with Minecraft.

MCFUNCTION	File extension: MCFUNCTION
	File type:	script file

What is an MCFUNCTION file

MCFUNCTION files mostly belong to Minecraft. MCFunction files are specialized script files used within Minecraft. They are plain text files that list game commands to be executed in sequence.
This file type is placed in a datapack and is read by the Minecraft engine when a function is called. Each line is treated as a separate command, which lets players automate tasks like summoning entities, altering game states, or triggering events.
Key Details summarized by FilExt.com:

No complex format—just one command per line.

They integrate with other datapack files to extend game mechanics.

Changes require a datapack reload to take effect.

FilExt.com tip: You can open and edit these files with any plain text editor such as Notepad or Notepad++. For more in-depth details, please visit this page.

How do you open MCFUNCTION files?

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

Online MCFUNCTION Text Viewer

Choose your .mcfunction file to view

or drag and drop it here

Online File Viewer

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How to extract texts from MCFUNCTION files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

You can extract texts from MCFUNCTION file or capture a preview screenshot using our online MCFUNCTION file viewer:

To do so, click the "Choose your .mcfunction file to view" button above.
After your file is opened in browser,
click "Save as..." in the menu.
Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
Your file will be converted and downloaded.

Programs that open and convert MCFUNCTION files:

Minecraft
See the previous paragraphs to learn more about the main application. MCFUNCTION files are often referred to as Minecraft simple text files because this type of file is primarily created or used by this software.
Minecraft
A *.MCFUNCTION file is an integral component of the Minecraft game, facilitating the execution of multiple commands sequentially. These files, written in plain text and adhering to the Minecraft command syntax, empower players to automate complex tasks, create custom game mechanics, and design intricate scenarios within the game world. Each line within a *.MCFUNCTION file represents a single Minecraft command, executed in the order they appear. This sequential execution allows for the creation of chained commands, enabling complex automation and game modifications. The *.MCFUNCTION format is exclusive to Minecraft and is loaded into the game using the `/function` command, providing a powerful tool for advanced gameplay customization. This file format is classified as Game file.

MCFUNCTION file format details:

The file format, which is the arrangement and type of data in a file, determines which program can open the file. 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. If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. If there are problems opening a file, you must first determine the file format used. Our analysis of the MCFUNCTION files produces the following result:

The MCFUNCTION file extension is rather rarely used and covers a large number of different file formats. The file formats most commonly found in MCFUNCTION files are:

15% of all MCFUNCTION files use the same file format, which have the signature execute . If you open these files in a text editor, you can view and read the content yourself. The files are 150 bytes to 9 KB in size, with a median of 1 KB. The file type was developed only in the last few years. The files contain the following words: execute as.
10% of all MCFUNCTION files use the same file format, which can be identified by the letters "scoreboard " at the beginning. These files are plain text, which means they can be viewed with any text editor such as Windows Editor, Nano for Linux, and TextEdit for macOS. A typical file size is 140 bytes. The keywords scoreboard players and scoreboard objectives are typical for these files. These files can be linked to damage.

All the rest of the MCFUNCTION files (75%) have different formats, such as Source, tellraw, tag, play, fill and setblock. The category is tick, check, start, setup, death, spawn or world. You can get all the details of your MCFUNCTION file by dragging it onto this page or by clicking the button "Choose your .mcfunction file to view" above.

Technical Data for MCFUNCTION File Extension

File classification:

Simple text file

Mime type:

text/mcfunction

an mcfunction script file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with MCFUNCTION files

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