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Photos into one PDF: application packets that upload cleanly

Images to PDF places one image per page, in the order you add them. Page size is your choice: Fit (the page takes the image's pixel size), A4 or Letter. On A4 and Letter the image is centred with a 12.7 mm margin, and landscape photos automatically get a landscape page.

The job this does every day

An application portal wants the ID, two certificates and three receipts as one file. A claims form wants the damage photos in a single upload. A paper form photographed page by page has to become one document again. In each case the reviewer opens one PDF and flips through it in order, which is exactly why the order you add the photos is the one thing to get right before you run it.

Steps

  1. Add the images in document order. The first one you add becomes page 1. Wrong order? Remove the file and add it again at the end.
  2. Choose A4 for anything a portal, an office or a printer will touch. Choose Fit for screen-only packets where the original resolution should carry through.
  3. Run it and check the page count in the result panel against your list.
  4. Open the PDF and flip through it once, the way the reviewer will.

The size trap in phone photos

A current phone photo weighs 3 to 5 MB. Ten of them make a 30 to 40 MB packet before the PDF adds anything, and most upload portals refuse files above 10 MB. Two honest ways down: run PDF Compress in images mode on the finished packet, or compress the photos first with Image Compress at quality 80 and build the PDF from the lighter files.

iPhone photos arrive as HEIC. This tool converts them through the browser into PNG, which can come out larger than the original photo. Converting HEIC to JPG first with Image Convert at quality 85 keeps the packet lean and avoids the surprise.

Fit has a second trap: a 4000-pixel photo becomes a page over a metre wide on paper. Some portals reject documents whose page size is not a standard format. A4 sidesteps that entirely.

Questions

Can I mix portrait and landscape photos? Yes. On A4 and Letter each page follows its photo, so a landscape receipt lands on a landscape page.

Two photos per page, like a contact sheet? No. One image per page is deliberate: it is the layout application reviewers expect, and it keeps every photo at full page size for reading serial numbers and small print.