5DFly Images to PDF converter is a batch processing converter to convert images into PDF to significantly improve the images PDF conversion efficiency.

Key features include convert multiple images into one PDF file or convert each photo into individual PDF files in batch; Supports multiple image types including jpg, bmp, png, gif, tif and tga; Supports batch text watermark on all images; Supports images quality percent definition; Supports flexible customized output setting, user can specify the paper size, like image size, A3, A4, A5, or self-defined. The output orientation can be chosen between portrait and landscape. The resolution DPI can be adjusted. The images list can be saved and loaded; Supports images sorting i.e. PDF page ordering by mouse-drag of the image thumbnail.