JPG2 File Extension
JPEG 2000 Image
- File Type jpg2
- Developer Joint Photographic Experts Group
- Popularity
- Application GeoExpress
- Category Raster Image Files
- Format Binary
What is a JPG2 file?
JPEG 2000 Image, identified by the JPG2 extension, is a Raster Image Files type and includes 575 files.
JPG2 file support extends to various operating systems, including Mac OS, Linux and Windows. To view a JPG2 file, you can choose from 2 programs such as XnView and GeoExpress.
Programs that support JPG2 files
How to open a JPG2 file?
If you cannot open a JPG2 file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.
When it comes to opening and working with JPG2 files, XnView and GeoExpress are the top choices for users. If you want the most recent release of GeoExpress, head over to the LizardTech site and download the version designed to run on all platforms.
After installation, your operating system should automatically open JPG2 files with GeoExpress.
Setting GeoExpress as default JPG2 viewer
Changing Default Programs in Windows
- Right click on your JPG2 file, then select "Open with" and click "Choose another application";
- Choose GeoExpress from the available applications listed in the pop-up window to set it as the default application to open your JPG2 file;
- Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.
Change the default app for a file type in Mac
- Initiate a right click or use Control + left click on the desired JPG2 file to open a menu where you can select various actions;
- Select "Open in application" and click "Other";
- Next, at the bottom of the window, you will see the "Enable" menu, in which "Recommended Programs" is selected by default;
- In this menu, select "All Programs", then find GeoExpress and check the box next to "Always open in the application."
How to edit a JPG2 file?
To edit JPG2 files, it is essential to install software that supports not only viewing but also editing the raster image files. Online JPG2 editors provide limited functionality compared to full-featured software for JPEG 2000 Image.
List of Top JPG2 editors 2026
Based on these criteria, we have prepared a list of available JPG2 editors.
| JPG2 Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| GeoExpress | LizardTech | Windows | 4.6 out of 5 (43 reviews) |
Tips and tricks to solve problems with JPG2 files
There are some common issues with JPG2 files that can be resolved easily by making minor adjustments to your software. Below, you’ll find these issues along with practical troubleshooting tips.
What Causes GeoExpress to Crash Frequently?
The likely cause of GeoExpress crashing is lack of software updates. Install the latest updates available for LizardTech products.
Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.
How can I restore a damaged JPG2 file?
Open the corrupted JPG2 file in a recovery program and select the "Repair" menu item. Wait for the recovery process to finish, as it will automatically repair damaged raster image files.
How do I know if my JPG2 file is corrupted?
Common indications of damaged JPG2 raster image files are:
- The file shows errors when trying to open it or does not open completely;
- Editing the archive in GeoExpress results in slow or unresponsive behavior;
- Opening or processing the file in GeoExpress or other programs causes instability or crashes in the program;
- Unexpected expansion of the total size of the JPG2 file;
- Error messages appear while working with the file;