All about BK2 Files

The BK2 file type is primarily associated with Bink Video Player.

BK2	File extension: BK2
	File type:	video file

What is a BK2 file?

BK2 files mostly belong to Bink Video Player. BK2 files serve two main purposes:

Bink 2 video file: Stores video and audio data using the Bink technology by RAD Video Tools. This format is used in many games for cutscenes and in-game cinematics. You can open these files with the Bink Video Player provided by RAD Video Tools. For more details, visit the RAD Video Tools website.

BizHawk movie file: Contains recorded gameplay sessions from the BizHawk emulator. These files capture game inputs and timing so that the session can be replayed later. They are sometimes packaged using ZIP compression. More information is available on the BizHawk page.

FilExt.com notes: Each variation is designed for performance. They require specific software to decode and display the video content properly. Do not try to open them in standard media players.

How do you open BK2 files?

You need a suitable software like Bink Video Player to open a BK2 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 BK2 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a BK2 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online BK2 Text Viewer

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BK2 file format:

The file format determines how the data is stored in the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). File extension, signature and file format must match; otherwise errors will occur when the file is opened. So a detailed analysis of a file is vital in order to determine the format and the associated program. Our analysis of the BK2 files produces the following result:

The BK2 file type is a very commonly used file extension and is primarily used by a single program. The two most common formats are as follows:

• 70% of all BK2 files are Bink2 video files. They consist of illegible, cryptic characters. BK2 files can be up to 1 GB in size, but are often around 610 KB - 180 MB. The file type was developed only in the last few years. The following keywords are characteristic: KB2j. Such files are related to logo, intro, loop, cinematic, loading, epilepsy, ending, level and crop.
• 15% of all BK2 files use the same file format, which can be identified by the letters "BIK" at the beginning. These are binary files, so they do not contain words or text. The files are 2 MB to 310 MB in size, with a median of 35 MB. Several words can almost always be found in the files, e.g. BIKi. MainMenuLoop.bk2 is a typical file name. Such files sometimes refer to menu and wintertheme.

All other BK2 files (15%) have no consistent format, the following 4 formats can be found: BizHawk movie capture and NmY. Sometimes used for arbalest, ballista, endgame, ubisoft, warning, screen, start, video, game or open. You can get all the details of your BK2 file by dragging it onto this page or by clicking the button "Choose your .bk2 file to analyze" above.