Opening a JAV File

The JAV file type is primarily associated with Java.

JAVFile Extension JAV
File extension: JAV
File type:  Source Code

What is a JAV file?

JAV files mostly belong to Java by Sun. Use our "Online JAV Text Viewer" below to analyze your JAV file and to see all text it contains.

How do you open JAV files?

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

Online JAV Text Viewer

Choose your .jav file to analyze

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Unable to Open a .JAV File? Quick Solutions:

JAV files can come from different programs and aren't universally openable.

  1. Identify the Source: If a developer sent it, it is likely Java Source Code. If downloaded from a coding tutorial, it suggests a Java development tool.
  2. Check the Header: Open the file in a text editor to inspect its opening lines:
    • Readable text starting with import or public class confirms it is Java source code.
    • "PK" indicates a renamed ZIP or JAR archive.
  3. Use the Original Software: The original program is usually required; try Eclipse, IntelliJ IDEA, or Notepad++. If uncertain, ask the sender.
  4. Use this Webpage: Drag and drop your .JAV file into our viewer to detect the format, extract readable text or metadata, and preview when possible.

Technical Data for JAV File Extension

File classification:
Source Code
Related files:
Mime type:
text/x-java-source

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: pnpjavfile
EXEFile: %ProgramFiles%\A Tech Group\Professional Notepad\notepad.exe %1

ProgramID: KJava.Document
EXEFile: %ProgramFiles%\Motorola\PST\UT_NVM.exe

ProgramID: jGRASPJavaFile
EXEFile: %ProgramFiles%\jGRASP\bin\jgrasp.exe


a jav Source Code is a special file format by Sun and should only be edited and saved with the appropriate software.

How to solve problems with JAV files

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