How to Convert Pictures Into a PDF File
Mar 31, 2025

You’ve snapped the perfect photo, just brimming with potential. But its massive size is eating up storage space and making it impossible to send to clients.
Enter the lifesaver you didn’t know you needed: converting your PNG or JPG images into a PDF document.
Conversions to PDFs make it easy to share, edit, and store your photos. In this guide, we’ll show you everything you need to know on how to convert your JPG to PDF, so buckle up, and let's get started!
How to convert PNG and JPG images
When it's time to convert JPG images or PNG photos into PDFs, there are plenty of options.
Whether you prefer using an online PDF converter, built-in computer features, or mobile apps, here is how to easily create professional PDFs.
Using an online JPG to PDF converter
Online tools like the MobiPDF converter offer a convenient way to convert JPG to PDF. Here are the steps:
Drag and drop your PNG image format or JPG file into the upload area.

2. Once the conversion is complete, click Download your file and save it to your desired location.
MobiPDF's PDF conversion tool supports multiple file formats, as well as two-way conversions.
Using the Windows Photos app
To convert JPG to PDF format, open the Photos app from the Start menu (or right-click the image and select Open with → Photos.)
Select the image(s) you want to convert. For multiple JPG images, click Select and choose each photo.
Click the printer icon or press Ctrl + P and choose Microsoft Print to PDF as your printer.
Click Print, name your file, and choose the location to save the PDF.
Using Preview on Mac
Mac users can easily convert JPGs or PNGs with the Preview app.
Open your JPG in Preview by right-clicking your file and selecting Open with → Preview.
2. For multiple images, use the thumbnail sidebar to add and arrange your JPEG files.
3. Go to File → Export as PDF.
3. Adjust any settings like encryption or filters.
4. Name your file, choose its location, and click Save.
Using an iPhone or an iPad
Convert JPG to PDF by opening the Photos app and selecting your image(s).
Tap Share → Print. On the print preview screen, zoom in on the JPG to open it in PDF view.
Tap Share and choose Save to Files. Select your desired location and tap Save.
Using an Android device
Open the MobiPDF app and select the image files you want to convert or take a new photo.
Tap Save as PDF or Convert to PDF.
Adjust any settings like quality or page layout.
Save the converted PDF document to your desired location.
Using image editing software
For those of you who work with Photoshop, simply import the image files you want to convert and perform any desired edits.
Next, go to File → Save As or Export → select PDF as the file format.
3. Adjust settings like image quality or compression.
4. Save the PDF to your desired location.
How to compress your PDF file
When you want to convert a JPG file or a PNG image to a PDF, the resulting file can sometimes be quite large, especially with high-resolution images. By compressing your PDFs you reduce their size without compromising too much on quality, making the task of storing and sharing your files more convenient.
Below we've shared the steps on how to compress your PDF file for free using MobiPDF's free online compression tool.
Drag and drop your PDF file onto the MobiPDF interface.
Select either Medium compression or Strong compression.

Click Download your file and save it to your desired location.
How to preserve the quality of the image?
PDF files are a reliable format for maintaining the quality and resolution of your images during conversion. Unlike some image formats that may lose clarity when resized or shared, converting JPG to PDF ensures that the visual details remain intact.
Why is it worth converting your images to a PDF file?
Converting your JPG to PDF offers several practical benefits that make it a worthwhile choice:
PDFs are widely supported on various devices, platforms, and operating systems, making them effortless to share.
PDFs are universally accessible, with built-in readers available on practically all devices.
PDFs support password encryption, safeguarding your files from unauthorized access or modifications.
PDFs retain your images’ layout and formatting, which is ideal for high-quality printing.
Frequently asked questions
How can you convert multiple JPG files into a single PDF?
Upload all the photos you want to your online JPG to PDF converter (for instance MobiPDF), arrange them in the desired order, and select Convert to PDF.
How can you ensure your JPG to PDF converter maintains printable quality?
We follow all industry standards and best practices to achieve minimum picture degradation. For the best result, don't forget to also adjust the output settings, regardless if you're using MobiPDF or similar tools.
Are JPG to PDF file conversions safe with MobiPDF?
The MobiPDF online PDF converter ensures your data's safety with secure servers and encrypted file transfers. Uploaded image files are processed for conversion and automatically deleted after a short period to safeguard your privacy.
Conclusion
Converting your pictures to PDF preserves image quality, reduces the overall file size, and makes sharing, printing, or integrating your content more efficient.
So, whether you’re using Windows, Mac, or mobile devices, tools like MobiPDF offer secure solutions for all your needs. From compressing files to ensuring professional, print-ready quality, PDFs really are the way to go – don't you agree?
In fact, why not try saving your first image as a PDF yourself? Try MobiPDF now and experience hassle-free conversions today!
By day, Reny is a dedicated copywriter; by night, she’s an avid book reader. With over four years of copywriting experience, she has worn many hats, creating content for industries like productivity software, project finance, cybersecurity, architecture, and professional growth. Reny’s life goal is simple: to craft content that speaks to her audience and helps solve their challenges— big or small—so they can save time and be the best version of themselves.