A daily updated filename extension database!

JFR file extension

The table below provides useful information about the .jfr file extension. It answers questions such as:

  • What is the .jfr file?
  • What program do I need to open a .jfr file?
  • How can the .jfr file be opened, edited or printed?
  • How can I convert .jfr files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ JRockit Flight Recording File

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.
Application: Oracle JRockit
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
JFR aliases:
JFR related links:
JFR related extensions:
JRockit Flight Recorder Template

Other types of files may also use the .jfr file extension.

🚫 The .jfr file extension is often given incorrectly!

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

fr, ifr, jbr, jcr, jdr, jfd, jff, jfg, jft, jr, jrf, jtr, jvr, kfr, mfr

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

JPEG Bitmap Image
JpgfDraw Drawing Binary
Finalburn Alpha Movie Capture
Kalles Fraktaler 2 Data
JR Source Code
STK Frequency Information File
Moldflow Result
Panzer Commander Game Data
JFormDesigner Form Data
Formula One 2001 Game Data

🔴 Can't open a .jfr file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .jfr file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .jfr file extension, write to us!

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