Have you ever taken photos of books, pages, documents, receipts, tickets or any other paper documents using your iPhone iPad? This is a really convenient way to save paper documents as digital copies on our mobile phones. However we will not recommend you to do so. Instead we suggest you to directly scan paper documents into PDF files using iPhone or iPad. By doing so, you save the precious space of your iPhone or iPad. Images files usually take far more space than PDF files. The file size of PDF will be much, much smaller. You can also use iBooks app on your iOS device to manage the PDF documents in an easier way. If you save the paperless documents as image files along with other photos and videos in Camera Roll, it may become very difficult to find and sort them. What’s more, PDF files are easier to send, share, print. You can refer to the above linked guide to see how you can scan a paper document to PDF using the iPhone scanner app. Here we will show you how to convert image to PDF on iPhone iPad, so you can convert those already saved documents in image formats into PDF format.
Note that this scanner app is not free. If you only need to make your pictures into PDF files without any fancy features that can be found in this app or don’t want to pay for it, we recommend this method to convert photos to PDF on iPhone using a free image to PDF converter app for iOS.
How to Convert Image to PDF on iPhone iPad?
In this demo, we will use Scanner pro app on iPad. If you are using Scanner pro on iPhone, the appearances differ, the process to scan documents, convert photos to PDF on iPhone iPad is quite similar. Run the scanner app on iPad, you will find its home interface like this.
Press the Plus icon to add new scans. It will launch your camera on iPhone or iPad instantly. Here we will create a scan from photos saved in Camera Roll or Photo Library, so tap the Picture icon on the bottom toolbar to choose photos from your photo library.
Select images from Camera Roll and add them into the Scanner app. You can select and add multiple photos from Camera Roll. Choose the processing type as Photo, Document or Grayscale, then tap on the pages or photo to edit them and save. You can also choose Save to directly convert pictures to PDF on iPhone or iPad.
If you like to import the converted PDF files into iBooks on iPhone or iPad, select the PDF document, then tap on the Share button to show all document sharing options, see below screenshot.
Choose Open in item from the documents sharing options in the scanner app, you can then find the option to Open in iBooks. Confirm to add PDF documents from scanner app to iBooks app on iPhone or iPad.
How to convert images to editable PDF or text?
Sometimes you may have saved documents as image files, such as taking screenshots on the mobile phone, taking pictures of a paper, book using cameras. If you want to edit text in the picture files, or convert photos to editable PDF files, you need to perform OCR on these scanned PDFs or images before you can extract and edit text on them. No need to transfer the scanned documents now in image formats from iPhone iPad to computer, the above scanner app also comes with the OCR utility that can extract text from scanned PDF documents or photos. You can follow this tutorial to convert images, scanned PDF & documents to text. Many different languages are supported, English, German, Italian, French, Spanish, Russian, Portuguese, Dutch, just to name a few. By default it will recognize English, you can however change it to other languages from its settings.
Update May 2020: this article was originally published in 2015 and has since been update. In this update, the new method to convert images to PDF using Files app was added.