Notes about the NTH file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries
, unused processes and other unfavourable system settings to identify slowdown issues.
The NTH file type is primarily associated with 'ImageMagick' by ImageMagick Studio LLC. ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a large variety of formats.