Saving images as PDFs can save disk space for users, as HD image files tend to be large. In addition, in this era when everyone pursues higher levels of confidentiality, PDF documents can be well protected by password and encryption technologies. So how to convert image to PDF remains to be resolved in this post. Besides, we will introduce several image to PDF converters on desktop and mobile devices.

How to Convert Image to PDF on PC

This part will mainly revolve around how to convert photos to PDF for Windows and Mac users.

How to Convert Image to PDF on Windows

SwifDoo PDF

SwifDoo PDF is a free image to PDF converter on Windows which supports multiple conversion tasks among image formats, such as PNG, JPG/JPEG, TIF, BMP to PDF, and vice versa.

This image to PDF converter streamlines the workflow and simplifies the process to convert pictures to PDF. Users only need to upload their photos to the workstation, and all of them will be converted to PDF in a matter of seconds. Let’s take a closer look at how to convert a picture to a PDF in SwifDoo PDF Converter.

Step 1: Download the free image to PDF converter from the official website, then install the program;

Step 2: Launch the software and click one of the conversion tasks within the box to activate SwifDoo PDF Converter;swifdoo-pdf-converter

Step 3: When you see the following picture, click Image to PDF to upload an image file or multiple files, and then click Start to change the picture/photo to a PDF.  


Tips: In addition, SwifDoo PDF allows users to change the output file size: the original size, A4 landscape or portrait, or custom page size.

                                                                    Free Download

Soda PDF

Soda PDF is an image to PDF converter that works on a variety of platforms. It is available in both web and desktop formats. As another useful PDF converter, Soda PDF enables users to save a PDF as a PDF/A, TXT, RTF, and HTML. With regards to saving a picture as a PDF with Soda PDF Desktop, the process is different from that of SwifDoo PDF: 

Step 1: Download and install Soda PDF;

Step 2: Open the software and click Convert to File to PDF;soda-pdf-converter

Step 3: Import an image to the Soda PDF;

Step 4: After the image is loaded to the workstation, select Save or use Ctrl + S to export the newly created PDF file.

Note: The free conversion process only requires several steps, but it cannot adjust the page size when compared to SwifDoo PDF Converter.

PDF Candy

Similar to Soda PDF, PDF Candy offers two versions: online and desktop. The user interface is intuitive, and users can easily navigate to what they want. What’s more important, PDF Candy Desktop is a powerful image to PDF converter as it supports many more file conversions among different formats, including MOBI, ePub, ODT, and ODS.

Let’s go deeper into how we easily make a picture a PDF with PDF Candy:

Step 1: Download the PDF converter from the official web;

Step 2: Install and start the program;

Step 3: Click Convert to PDF on the left-side menu bar;

Step 4: Choose any feature you need: JPG to PDF; PNG to PDF; TIFF to PDF; BMP to PDF.


PDF Candy makes the image to PDF conversion much easier, but please note that a non-paid user can only perform 2 free tasks. If users want more options, they must subscribe to a premium plan.

How to Convert Image to PDF on Mac

Mac users do not require external image to PDF converters to save a picture as a PDF. The built-in Preview application has covered the fundamental conversion need. Since Preview is Mac’s natural image viewer and PDF reader, we will utilize this free picture to PDF app to convert pictures to PDF on macOS:

Step 1: Open the image using Preview;

Step 2: Click Export To on the File tab;

Step 3: Choose PDF as the output format.

Of course, Mac users have many other methods to turn a picture into a PDF, however, Preview seems to be the most direct and cost-saving approach.

How to Convert Image to PDF on Mobile Device

The increase in mobile phone users has led to a huge demand for photo to PDF conversion. Whether you are using an Android or iPhone, you may need an at-hand image to PDF converter to quickly make a photo a PDF. The following tips can help you quickly turn a photo into a PDF.

How to Convert Image to PDF on iOS, iPad

By Printer Options

The simplest method to convert picture to PDF on iPhone or iPad is to utilize Printer Options, the default printer on iPhone and iPad:

Step 1: Click Photos and select the photos you want to convert (it can be one or multiple photos);

Step 2: Press the Share button on the bottom left;

Step 3: Scroll down to choose Print;

Step 4: When you reach the Printer Options page, put your finger at the photos and perform a spreading gesture;

Step 5: In seconds, your image(s) will be saved as a PDF which you can share to Files or other applications.

By Online PDF Converters

No matter whether you are iPhone, iPad, or Android user, you can make use of Internet-based PDF tools to change a photo to a PDF. Such image to PDF converters include iLovePDF, Smallpdf, jpg2pdf, freepdfconvert. Since most online PDF converters share similar conversion steps, let’s take iLovePDF for instance:

Step 1: Enter the URL on the search bar;

Step 2: Click JPG to PDF;

Step 3: Import an image to the iLovePDF workstation from a local device, Google Drive, or Dropbox;

Step 4: Select Convert to PDF before you set up everything including page orientation, size, and margin;

Step 5: Download the PDF and save it to a local folder, Drive, Dropbox, or generate a downloadable link.


If you need to convert multiple images to PDFs, click “+” to perform batch-convert.

Online image to PDF converters usually has two free tasks per day, and iLovePDF is without an exception. Users don’t need to register or download anything for conversion. For most converters, just drag or import an image to the panel from the local folder, Google Drive, or Dropbox, then click "Convert" or "Start" to convert a picture to a PDF.

How to Convert Image to PDF on Android

By Save As

Akin to iPhone, Android devices allow users to convert a picture to a PDF with the "Print" feature:

Step 1: Click the photo(s) you need to convert, then click the Share button (displayed as a triple dot) on the top right corner;

Step 2: Choose Print. In the printer setting, select Save as PDF;

Step 3: Press the Download button and specify the destination folder. Choose Save to finalize the conversion.

By Google Photos

Since Google’s products (including Gmail, Google Chrome, Google Drive, and Google Photos) will be installed on most Android phones, Android users can employ the photo to PDF app to turn an image into a PDF:

Step 1: Open an image file with Google Photos;

Step 2: Click on the Menu icon (three dots) at the top right corner;

Step 3: In the pop-up window, select Print to open the printer settings,

Step 4: Choose All Printers to select Save as PDF.

Google Photos allows users to change the page size, color, and orientation. Don’t forget to save the newly created PDF.


As PDF is becoming more prevalent, image to PDF conversion will become increasingly necessary. The aforementioned free image to PDF converters for Windows, Mac, Android, and Mac users are reviewed by the editor. They are easy to use and have a quick response. The most significant factor is they don’t require a steep learning curve, thus anyone can convert a photo to a PDF without any difficulty.

Common FAQ about Best Image to PDF Converters in 2022

Q:Is it reliable to use online PDF converters to save an image as a PDF?

The development of encryption technology can ensure your file security. However, as to confidential or sensitive files, we still suggest users use desktop PDF converters as your files are processed locally without being uploaded to the server.



Roche has been an active PDF user for 6 years and tried different types of professional PDF tools (both online and desktop version) since at his bachelor degree. Now, Roche works as a columnist for SwifDoo PDF over the course of the last one year, and provides useful and practical solutions pertaining to various PDF topics for users from different features.

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