How to merge several JPEGs into a multi-page PDF without quality loss?

Question

PDF

Hello!
Compiled preza in Photoshop at 150dpi
When exporting to PDF, all raster images are very soapy.
I saved everything in JPGs, the quality of which suits me and I want to compile PDFs from them.
I tried both through the Photoshop automator and through Illustrator - it blurs the quality.
What to do how to be?

Answer 1

Try for example the online service https://jpg2pdf.ru