Someone asks for a PDF of your receipts, your signed contract, or the photos of a damaged item. You select the images on your iPhone and hit "Print to PDF", only to end up with a document that some systems refuse to open or that shows blank pages.
That is HEIC again. Your iPhone photos are HEIC, and most PDF tools quietly fail on them.
The reliable way to put iPhone photos into a document is to convert them to JPG first, then build the PDF. Here is the whole flow, and it keeps your files on your device.
Why HEIC Photos Break PDF Creation
A PDF is a container, but the tools that make PDFs from images expect common image formats. HEIC is Apple's compressed format, and the PDF generators on many phones, in email apps, and on desktop are not built to decode it:
- Print to PDF on the iPhone can drop HEIC pages or produce blank pages.
- Online PDF tools may reject the files or silently skip them.
- Email and office suites often cannot insert HEIC into a document at all.
JPG and PNG, by contrast, are what every PDF tool reads natively. Convert your photos first and the PDF builds cleanly, every time.
Convert HEIC to JPG, Then Build the PDF
The workflow is two clear steps. Do the first one on your device so nothing is uploaded.
- Convert the HEIC photos to JPG. Our HEIC to JPG converter runs in your browser with a local build of libheif, so the photos never leave your device. Download the JPGs, individually or as a ZIP.
- Assemble the PDF from the JPGs. On a Mac, open the JPGs in Preview and go to File > Print > Save as PDF. On Windows, select the JPGs, right-click, and choose Print, then set the printer to Microsoft Print to PDF. On a phone, use the Files app or any PDF tool that accepts JPG.
Stick to JPG rather than PNG unless you need transparency, because JPG keeps the final PDF smaller while looking identical for photos.
The Other Direction: PDF Pages Back to JPG
Sometimes the job runs the other way — you have a PDF and need it as images. For that, a dedicated PDF to JPG tool converts each page to a JPG in the browser, which is handy when you want to reuse a page in a listing or a document.
FAQ
Can I make a PDF directly from HEIC photos? Not reliably. The tools that build PDFs from images usually cannot decode HEIC, so you get blank or missing pages. Converting to JPG first avoids the problem.
Does converting HEIC to JPG before making a PDF reduce quality? No. At high JPG quality the photos look identical, and PDFs are mostly about sharing and printing, where the difference is invisible.
What is the best format to put photos into a PDF? JPG for photos. It keeps the file small and every PDF tool reads it. PNG is only worth it if you need transparency, which printed documents rarely do.
Can I combine multiple HEIC photos into one PDF? Yes. Convert the whole set to JPG, then add all the JPGs to a single PDF using Preview, Microsoft Print to PDF, or any PDF tool.
Bottom Line
Putting iPhone photos into a PDF falls over because the photos are HEIC and PDF tools expect JPG. Convert your HEIC photos to JPG first, then build the PDF from the JPGs, and the document opens everywhere. Run the conversion through the online converter, assemble the PDF, and send it off with confidence.