Merge PDF Files
Add the PDF tools to your home screen and they work with no connection — your files never leave your device either way.
- Tap the Share button in Safari
- Scroll down and tap Add to Home Screen
Combine two or more PDFs into a single file, in whatever order you choose. Everything runs in your browser, so your documents are never uploaded to a server — useful when the files are contracts, invoices, medical letters or anything else you'd rather not hand to a website.
How it works
Each PDF you add is read into memory on your own device. A new empty document is created, then every page from each file is copied into it in the order shown in your list, and the result is offered back to you as a download.
Because the pages are copied rather than re-rendered, nothing is re-compressed: text remains real text you can select and search, and images keep the resolution they had in the original file.
No copy of your document is created anywhere outside your browser tab. Closing the tab discards everything.
Worked example
Say you're submitting an expenses claim made up of a covering letter, six separate receipts saved as individual PDFs, and a summary page. Add all eight files, drag the covering letter to the top and the summary to the bottom, and you get one tidy document to attach to an email instead of eight.
The same applies to scanned documents: many scanners produce one PDF per page, and merging them back into a single file makes the result far easier to send, print and archive.
Common questions
Are my files uploaded anywhere?
No. The merge happens inside your browser using your own computer’s processing power. Your PDFs never leave your device, which is the main difference between this and most online PDF services.
Is there a file size or page limit?
There’s no fixed limit, but very large files are constrained by your device’s memory rather than by us. A few hundred pages is comfortable on a normal laptop; several thousand may be slow on an older phone.
How do I control the order of the merged file?
Use the up and down arrows next to each file. The finished PDF follows the order shown in the list, top to bottom.
Can I merge a password-protected PDF?
Usually not. If a PDF requires a password to open, it can’t be read and the merge will fail with an error. Remove the password in your PDF reader first, then merge.
Does merging reduce the quality of the pages?
No. Pages are copied across intact, so text stays selectable and images keep their original resolution. The merged file is roughly the sum of the originals in size.
Do bookmarks and form fields survive the merge?
Page content, text and images carry over reliably. Document-level extras such as bookmarks, annotations and interactive form fields may not, so check the result if your originals rely on them.