The quickest way to merge PDFs on an iPhone is built right into the Files app: select the PDFs, tap the More button, and choose Create PDF. iOS combines them into a single new document in the same folder. If you need precise control over the order, want to merge files regularly, or prefer a visual drag-and-drop layout, a Shortcut or a browser-based merger is a better fit.
Below you will find all three methods step by step, plus the small details that trip people up, such as page order, file names and where the merged file ends up.
Before you start: get your files into the Files app
Every method below works best when your PDFs live in the Files app, either on your iPhone or in iCloud Drive. If a PDF arrived in Mail, Messages or another app:
- Open the attachment.
- Tap the Share button.
- Choose Save to Files and pick a folder.
It helps to create a dedicated folder, for example "To merge", and put all the pieces there. This keeps the selection simple and makes it easy to delete the leftovers afterward.
Name files so they sort correctly
The Files app lists documents by the sort option you choose (name, date, size and so on), and the order you see often influences the order in the merged file. A little naming discipline saves time:
- Prefix files with numbers: "01 Cover letter", "02 Resume", "03 References".
- Use two digits (01, 02 ... 10) so that "10" does not sort before "2".
- Switch the folder view to Sort by Name from the view options menu.
Method 1: Merge PDFs with the Files app
This is the native option and requires nothing extra. It is available on current versions of iOS.
- Open the Files app and navigate to the folder with your PDFs.
- Tap the More button (the circle with three dots) in the top-right corner and choose Select.
- Tap each PDF you want to combine. A checkmark appears on each one.
- Tap the More button in the bottom-right corner of the screen.
- Choose Create PDF.
A new PDF appears in the same folder, typically named after one of the source files. Rename it by pressing and holding on the file and choosing Rename.
Things to know about the Files method
- Order control is limited. iOS does not show a preview where you can drag pages around before merging. The resulting order generally follows how the files are arranged in the folder, which is why the naming trick above matters. Always open the merged file and scroll through it to confirm.
- You can mix in images. Create PDF also accepts photos and screenshots, so you can combine a scanned receipt image with an invoice PDF in one step.
- The originals stay put. Nothing is deleted, so tidy up the folder when you are done.
Method 2: Build a reusable Shortcut
If you merge files often, for example weekly expense reports, a Shortcut can make it a one-tap action from the Share sheet. The Shortcuts app includes a Make PDF action that combines its inputs into a single document.
A simple version looks like this:
- Open the Shortcuts app and tap the + button to create a new shortcut.
- Open the shortcut's settings and turn on Show in Share Sheet, limiting the accepted input to PDFs (and images, if you like).
- Add the Make PDF action. It uses the files passed in from the Share sheet as its input.
- Add a Save File action so you can choose where the merged document goes. Alternatively, add Quick Look first to preview the result.
- Name the shortcut something clear, such as "Merge PDFs".
To use it, select several PDFs in the Files app, tap Share, and pick your shortcut from the list.
Shortcut tips
- The Shortcuts app evolves between iOS versions, so action names and menu locations can shift slightly. If you cannot find an option, search the action list for "PDF".
- The Make PDF action may include every page from every input in the order received. As with the Files method, confirm the order in the output.
- The Shortcuts Gallery sometimes includes ready-made PDF shortcuts. Review what any shared shortcut does before running it, since shortcuts can access files and the network.
Method 3: Merge in your browser with drag-and-drop ordering
When page order matters, such as assembling a job application, a visa packet or a signed contract with exhibits, a visual merger is easier. Our free Merge PDF tool works in Safari on iPhone and processes files locally in the browser, so your documents are not uploaded to a server.
- Open Safari and go to Merge PDF.
- Tap the upload area. iOS offers a menu; choose Choose Files to pick PDFs from the Files app. You can select several at once.
- Your files appear as a list. Drag them into the order you want. The first file in the list becomes the first pages of the merged document.
- Tap the merge button and wait a moment while your iPhone does the work.
- Tap download. Safari saves the file to the Downloads folder in the Files app by default, or shows a preview you can share or save.
The tool accepts between 2 and 20 PDFs per merge. If you need to combine more, merge in batches and then merge the batches together.
Fine-tuning after the merge
Merging combines whole files. If you need to rearrange individual pages, rotate a sideways scan or drop a blank page afterward, open the merged file in Organize PDF. It shows page thumbnails you can reorder, rotate or remove before saving.
Choosing the right method
A short decision guide:
- You just need to combine a few files quickly and the order is obvious: use the Files app.
- You repeat the same merge often or want it in the Share sheet: build a Shortcut.
- You need exact order, want to see what you are doing, or want to fix pages afterward: use a browser-based merger with drag-and-drop ordering.
Common problems and fixes
"Create PDF" is missing
Make sure you are in selection mode with more than one file selected, and that you tapped the More button at the bottom of the screen rather than the one at the top. Files stored in some third-party cloud providers may need to be downloaded to the device first; tap each file once to download it, then try again.
The merged file is in the wrong order
Rename the source files with numeric prefixes, sort by name and merge again. Or use the browser method, where you set the order explicitly.
A PDF will not merge
Password-protected PDFs usually need to be unlocked before they can be combined. If you know the password, you can create an unlocked copy with Unlock PDF, merge, and then add protection back to the final document with Protect PDF. Damaged or partially downloaded files can also fail; try opening the file on its own first.
The merged file is too big to email
Combining several scans quickly adds up. Run the result through Compress PDF to shrink the embedded images while keeping text sharp. Mail on iPhone may also offer Mail Drop for large attachments, but a smaller file is friendlier for the recipient.
Safari says the page is out of memory
Very large scans can strain an older phone. Close other tabs and apps, merge in smaller batches, or compress the biggest files first.
Privacy considerations
Documents people merge on their phones are often sensitive: identity documents, bank statements, medical forms. The Files app and Shortcuts both work on the device. If you use a web tool, check whether it uploads your files. Tools that process files inside the browser, like ours, never send your documents anywhere, which removes a whole category of risk.
Key takeaways
- The Files app can merge PDFs natively: select, tap More, then Create PDF.
- Naming files with numeric prefixes and sorting by name is the easiest way to control order with native tools.
- A Shortcut using the Make PDF action turns merging into a repeatable Share sheet action.
- For exact, visual ordering, our in-browser Merge PDF tool runs in Safari without uploading your files.
- Check the merged document page by page before you send it, and compress it if it is too large to share.