If you need to convert hundreds of JPGs without quality loss:

I can provide step-by-step instructions for the safest method based on your needs. Share public link

Do not compress your JPG files before converting them, as converting an already degraded image results in a pixelated PDF.

Easily change the order of images before finalizing the PDF.

Converting hundreds of images simultaneously.

Known for its user-friendly interface and "Extra Quality" presets. Nitro Pro: Excellent for business-grade batch conversions. Conclusion

These tools provide "extra quality" results without the need for a registration code: Adobe Acrobat (Online)