XnView MP
XnView MP is a flexible and powerful application.
picture viewer, image resizer, image management XnView is one of the most stable, user-friendly, and feature-rich picture editors available. All standard graphic and photo formats are supported (JPEG, TIFF, PNG, GIF, WEBP, PSD, JPEG2000, OpenEXR, camera RAW, HEIC, PDF, DNG, CR2).
Unlike several image converters, XnView MP is compatible with Microsoft Windows, iOS, and Linux. The tools are accessible through a straightforward user interface with one-click capabilities, and no prior experience is required.