Ralpha Image Resizer - High-speed image batch conversion tool
jpg2pdf.com - Convert JPG to PDF with this free and easy to use online converter.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Jpgtopdf.live - Our JPG to PDF converter helps to convert single or multiple JPG images to PDF and also offers OCR-based JPG to PDF conversions quickly.
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.
Smallpdf - PDF document management and conversion suite