How to Convert Multiple BIG Files to JP2?
1. Download and Install reaConverter
reaConverter is a standalone Windows app — download, install, and start converting BIG files in under two minutes.
2. Load your BIG files
Add BIG files to reaConverter. One file or a thousand, the process is the same. Everything runs locally on your machine.
You can drag-and-drop files, browse to a folder, or add entire directory trees including subfolders.

3. Select JP2 as output format
Select JP2 from the output format list and set your destination folder. You can also adjust quality and compression settings.

4. Start BIG to JP2 conversion
Click the Convert button to start. reaConverter will process all your files with the settings you selected.

When finished, your new .jp2 files will be waiting in the destination folder.






