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JGW file extension

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

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

✅ ArcGIS JPEG World File

JGW file is an ArcGIS JPEG World File. JGW files are the ASCII files containing information for geocoding image data. Some image formats, such as ERDAS IMAGINE, BSQ, BIL, BIP, GeoTIFF, and grids, store the georeferencing information in the header of the image file. ArcGIS uses this information if it is present. However, other image formats store this information in a separate ASCII world file, since it contains the real-world transformation information used by the image.
Category: GIS files
Application: ArcGIS
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
JGW aliases:
jgwx, jpgw, jpw
JGW related links:
JGW related extensions:
ArcInfo Binary Coverage

ArcInfo Band Interleaved by Line Image

ArcInfo Band Interleaved by Line Image

ArcInfo Band Sequential Image

ArcInfo ASCII Export

Geography Markup Language Document

MapInfo Table Document

FME Document

FME Feature Store

SIA dataMap GIS Export

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

🚫 The .jgw file extension is often given incorrectly!

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

gw, igw, jbw, jfw, jga, jgd, jge, jgs, jtw, jvw, jw, jwg, mgw, ngw

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

JPEG World File
Ichitaro 7.0 Document
OpenScript Script
SWAT Groundwater Input Data
Ichitaro 7.0 Template
Corel Paint Shop Pro Gradients Data
Interactive Groundwater Modeling Data
JustWrite Document
JVC Projectors Gamma Curve Data
Ichitaro 6.0 Document

🔴 Can't open a .jgw 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 .jgw 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 .jgw file extension, write to us!

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