Combining multiple JPG images into a single PDF is one of the most common image-to-document tasks — whether you're assembling scanned pages, collating photos for a report, or consolidating receipts into one file. The process is quick on any device.
How to Combine JPG Files Into One PDF Online
WukongPDF's Image to PDF tool accepts multiple JPG files in one upload. Open the tool in any browser, click to upload and select all your JPG files at once (hold Ctrl on Windows or Cmd on Mac to select multiple). Drag the thumbnails to set the page order, then click Convert and download the combined PDF.
This method works on any device and operating system. The resulting PDF has one image per page, with each JPG scaled to fill the page. If your images have different dimensions or orientations, most tools handle the mixed sizes automatically — portrait images on portrait pages, landscape on landscape.
Combining JPGs to PDF on Windows
Windows has a built-in method that requires no extra software. Select all the JPG files in File Explorer (click the first, hold Shift, click the last, or use Ctrl + A). Right-click the selection and choose Print. In the Print Pictures dialog, select Microsoft Print to PDF as the printer, choose a paper size and layout, and click Print. Save the output PDF when prompted.
Windows prints the images in filename order, so rename them with numbered prefixes (01_page.jpg, 02_page.jpg) if you need a specific sequence. The print dialog lets you set how many images appear per page — choosing one image per page gives you a clean single-image-per-page PDF.
Combining JPGs to PDF on Mac
On Mac, select all the JPG files in Finder, then open them all with Preview (right-click > Open With > Preview). In Preview, make sure the sidebar is showing (View > Thumbnails). Select all the thumbnails in the sidebar with Cmd + A, then go to File > Print. In the print dialog, click the PDF dropdown and select Save as PDF. All selected images are combined into a single PDF.
Drag the thumbnails in the Preview sidebar to reorder them before printing if the page sequence needs adjusting. The order in the sidebar is the order they'll appear in the PDF.
Controlling Image Quality in the PDF
When combining JPGs into a PDF, most tools embed the images at their original quality without additional compression. The resulting PDF file size is roughly the total size of all the input JPGs. If the combined PDF is too large to share or upload, run it through a PDF Compression tool afterward — photo-based PDFs compress well and often come down to 30–50% of their original size with minimal visible change.
If the original JPGs were low quality to begin with, the PDF will reflect that — the Image to PDF conversion doesn't improve image quality, it just packages the images into a document container. For the best output, start with the highest quality source images available.