How to Convert a Picture to PDF on iPhone

You don't need an app — an iPhone can turn a picture into a PDF on its own, four different ways. Which one to use depends on what you're doing: one photo for a form, a stack of photos merged into a single PDF, or a paper document that should look scanned rather than photographed. Here are all four, fastest first.

1. Files app — the fastest built-in way

The Files app has a Create PDF command hiding one long-press away:

1. Get the picture into Files. From Photos: open the photo, tap Share → Save to Files and pick a folder.
2. Open the Files app and find the image.
3. Touch and hold the image, then tap Create PDF in the menu.

A PDF appears next to the image, same name, ready to share. To merge several pictures into one PDF: tap the ⋯ menu → Select, tap the images in the order you want, then choose Create PDF from the ⋯ menu at the bottom. One PDF, one page per image.

2. Photos + Print — the hidden print-to-PDF trick

Anything an iPhone can print, it can save as a PDF instead:

1. In Photos, open the picture (or select several) and tap Share.
2. Scroll down and tap Print.
3. On the print preview, tap the Share button — no printer needed. On older iOS versions, pinch out (zoom) on the preview thumbnail first to open it as a PDF.
4. Choose Save to Files, and it lands as a PDF.

This trick works from almost any app with a Print option — web pages in Safari, emails, documents — which makes it worth remembering beyond photos. If the document is an Apple Pages file rather than a photo, skip the print route and use its built-in export instead — see how to convert Pages to PDF.

3. Notes — when it's a paper document, not a picture

If the "picture" is really a receipt, contract or homework page, don't photograph it — scan it. Open Notes, start a note, tap the camera (or paperclip) icon and choose Scan Documents. The camera detects the page edges, straightens and crops it, and lets you keep adding pages. Tap Share on the scan to send or save it as a clean, multi-page PDF. The result looks like a scanner made it: flat, cropped, high-contrast — much better for anything official.

4. In the browser — merge photos into one PDF with page-size control

The built-in routes are great for quick jobs, but they give you no say over page size or layout. For a combined PDF with proper A4 or US Letter pages — or when you're on someone else's device — use the LK Forge PDF converter in Safari:

1. Open the converter and tap the drop zone to pick photos from your library — as many as you like.
2. Choose whether each page fits the image exactly or centers it on A4 / US Letter.
3. Tap Create PDF and download the combined file.

Everything runs on your own device — the photos are never uploaded, so it's safe for private pictures, and there's no app to install and no sign-up.

Which method should you use?

One HEIC gotcha worth knowing

iPhone photos are saved as HEIC by default — a space-saving format that some apps, sites and Windows PCs still refuse. Every built-in method above handles HEIC fine, and when you pick photos in Safari the iPhone usually hands over a compatible JPG automatically. But if you ever end up holding a .heic file that something rejects, run it through the HEIC to JPG converter first and then build the PDF. And if you'd rather never see HEIC again, switch Settings → Camera → Formats to Most Compatible — new photos will be JPG from then on. More on why extensions and formats behave this way in how to change a file format.