rordenlab / dcm2niix

dcm2nii DICOM to NIfTI converter: compiled versions available from NITRC

tooladda-online / jpg-to-png

JPG to PNG Converter — Convert JPG or JPEG photos to lossless PNG — with batch processing, transparent background, rotate/flip/resize, and real DPI metadata. No upload, no signup, 100% private in your browser. Free on ToolAdda.online.