Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .jfr

3 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .jfr file?
  • Which program can create the .jfr file?
  • Where can you find a description of the .jfr format?
  • What can convert .jfr files to a different format?
  • Which MIME-type is associated with the .jfr extension?
.jfr
JRockit Flight Recording File .jfr file icon

JRockit Flight Recording File

The JFR file is a JRockit Flight Recording File. Oracle JRockit is a comprehensive Java SE solution that includes a high-performance JVM, profiling, monitoring and 
diagnostics tools, and predictable latency for Java applications.
Description link
Category: Development files
Application: Oracle JRockit
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
.jfs
JRockit Flight Recorder Template
.jfr
WJVN Fragment Data .jfr file icon

WJVN Fragment Data

The JFR file is a WJVN Fragment Data. WJVN is a CA simulator for Microsoft Windows. The purpose of this application was to implement the self-reproducing cellular automata of John von Neumann.
Detailed description not available
Category: Data files
Application: WJVN
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
.efr
WJVN Cell-assembly Fragment Data
.jfr
Java Flight Recorder Data .jfr file icon

Java Flight Recorder Data

The JFR file is a Java Flight Recorder Data. Java is a programming language and computing platform first released by Sun Microsystems in 1995. Java Flight Recorder (JFR) is a tool for collecting diagnostic and profiling data about a running Java application.
Detailed description not available
Category: Development files
Application: Java SE Development Kit
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
.appletviewer
Java appletviewer Data
.j3d
Java 3D Data
.tda
Java Thread Dump Data
.rmi
Java RMI Data

Other types of files may also use the .jfr file extension. If you have helpful information about .jfr extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

.fr
Finalburn Alpha Movie Capture
.ifr
Formula One 2001 Game Data
.jbr
Corel Paint Shop Pro Brush
.jcr
QNonogram Puzzle Data
.jdr
IROAD Dash Cam Video
.jfd
JAWS Synopsis Data
.jff
JPEG Bitmap Image
.jfg
JForge Binary Code
.jft
JetForm Job Ticket

The .jfr filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

jff (1), jdr (1), jbr (1), fr (1), nfr (1), kfr (1), jtr (1), jr (1), jfg (1), jfd (1), jcr (1), ifr (1), ufr (1), mfr (1), jvr (1)

Can't open a .jfr file?

If you want to open a .jfr file on your computer, you just need to have the appropriate program installed. If the .jfr association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.jfr

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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