The conversion of the file JP2 to ICO will allow you to edit a file using other software than before. The conversion JP2 to ICO is particularly helpful in cases where you want to give certain features to the data in the JP2 file, and all the programs that support the JP2 format do not have the possibility to introduce the desired changes.
3. FastPictureViewer Professional
4. Adobe Photoshop
5. ACDSee Photo Manager
6. FastStone Image Viewer
7. GIMP for Mac
9. Adobe Photoshop for Mac
10. GIMP for Linux
12. Picture Resize Free Online Images Converter
13. Picture Resize Free Online Images Converter
Just download one of the programs from the list and install it on your computer. After starting the program, select JP2 file that you want to convert. Then select the target format (in this case ICO) and follow the instructions. Save the converted ICO file in the selected location. From this moment you can open the ICO file with all the programs that you will find here.