Windows
Compatible applications
Quick Facts
Basic information about this file format
Extension
.KAR
File Type
MIDI Karaoke File
Category
Audio
Best first step
Use compatible software
Quick Summary
A practical overview of the .kar file format
The .kar file extension represents the MIDI Karaoke file format, which is a specialized variation of the Standard MIDI File (SMF). Unlike traditional digital audio formats such as MP3 or WAV that record actual sound waves, a .kar file contains a sequence of digital instructions that tell a computer…
File extension
.KAR
File type
MIDI Karaoke File
Category
Audio
Recommended action
Open with a trusted compatible app
How to open a .kar file
Start with a trusted app that supports this format
- Check the file extension carefully and confirm that the file name really ends with .kar.
- Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
- Update the application if the file was created by a newer version of the software.
- Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.
What is a .kar file?
File extension details and usage information
The .kar file extension represents the MIDI Karaoke file format, which is a specialized variation of the Standard MIDI File (SMF). Unlike traditional digital audio formats such as MP3 or WAV that record actual sound waves, a .kar file contains a sequence of digital instructions that tell a computer's sound card or a synthesizer which notes to play, at what tempo, and using which instrument sounds. The defining feature of the .kar format is the inclusion of synchronized lyrics embedded as text metadata within the MIDI data stream. These lyrics are timed to specific musical events, allowing karaoke software to display the words on a screen in synchronization with the melody for a singer to follow. Because it relies on MIDI technology rather than sampled audio, .kar files are incredibly lightweight, often measuring only a few dozen kilobytes, making them highly portable. While the format was originally popularized by the Soft Karaoke system in the 1990s, it remains a widely supported standard for hobbyists and professional karaoke setups that prefer the flexibility and small footprint of MIDI-based music files.
Software Compatibility
Programs that may open or work with .kar files
macOS
Compatible applications
Linux
Compatible applications
Mobile
Mobile applications
Can .kar files be converted?
Options for saving or exporting this file to another format
In many cases, a .kar file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.
- Use the original software that created the file when possible.
- Check whether the application supports exporting to common formats.
- Be careful with online converters when working with private, business, or sensitive files.
- If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .kar file.
Why can't I open a .kar file?
Common reasons this file type may not open correctly
Wrong software
The file may require a specific program that supports the .kar format.
Incorrect extension
The file extension may have been renamed manually, even though the actual file format is different.
Corrupted file
The file may be incomplete, damaged during download, or transferred incorrectly.
Outdated app
Your software may need to be updated before it can open newer versions of this file format.
Frequently Asked Questions
Common questions about .kar files
To open a .kar file, use software that supports this file format.
- VanBasco's Karaoke Player
- VLC Media Player
- Winamp
- KaraFun
- QMidi
Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.
- Verify that the file extension is correct.
- Install or update compatible software.
- Try another application that supports this format.
- Check whether the file is corrupted, incomplete, or encrypted.
A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.
File safety tips
Use caution with unknown files
Only open files from trusted sources. Before opening a .kar file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.