Whilst it is probably possible to make a jpg to jpx conversion in one of the graphics editors or converters, it will be useless. That is because JPEG 2000 (.jpx) is more sophisticated format and thus has more data when you record in that format, so converting into it from inferior format won't do any good. You need to find RAW source of the JPG image if you want to create a proper JPEG 2000 image.
Home > Search converters: jpg to jpx
Conversion of jpg file format to jpx file format beta
Search for jpg to jpx converter or software able to handle these file types.
Convert JPEG bitmap image to JPEG 2000 extended image format (ISO 15444-2).
We have found 6 software records in our database eligible for .jpg to .jpx file format conversion.
Microsoft Windows software 
- convert jpg to jpx on Windows
Adobe Photoshop
One of the best bitmap graphic editing program
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
|---|---|---|---|---|---|---|---|---|
Convert from jpg file | Yes, Adobe Photoshop supports jpg file conversion as a source file type. | Yes | Yes | jpg editor | Yes | No | No | No |
to jpx file | Yes, Adobe Photoshop supports jpx file conversion as a target file type. | Yes | Yes | jpx editor | No | Yes | Yes | No |
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned jpg to jpx. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Corel PHOTO-PAINT
A photo editing software distributed as a part of CorelDRAW
Corel PaintShop Pro
A professional photo editor and manager for Windows
Xara Page & Layout Designer
Desktop publishing software
Apple macOS / Mac OS X software 
- convert jpg to jpx on OS X
Adobe Photoshop for Mac
Mac version of popular digital image editor
Adobe Illustrator for Mac
Mac version of Adobe's vector graphics editor
Additional links: Open jpg file, Open jpx file
JPG
Files with jpg file extension contain pictures, digital photos, and other bitmap images. It is one of the most common image formats used today.
JPX
Files with jpx file extension can be found a special variant of the JPEG 2000 bitmap image format. Rather uncommon, proprietary version of JPG, with additional features, functions and generally higher quality. Also supports transparency.
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