How to Batch Convert Images to PDF: Multiple Files at Once
Need to convert many images to PDF? Learn how to batch convert multiple JPG, PNG, or other images into a single or multiple PDF files quickly.
Converting one image to PDF is easy, but what about 50 images? Here's how to batch convert multiple images to PDF efficiently.
When You Need Batch Conversion
Common scenarios:
- Photo albums: Convert vacation photos to PDF book
- Document scans: Combine multiple page scans
- Presentations: Create PDF from slide images
- Portfolios: Compile work samples
- Archives: Digitize photo collections
Method 1: Online Batch Converter (Easiest)
How to Convert Multiple Images to PDF:
- Go to Percime Image to PDF
- Upload multiple images at once (drag all files)
- Arrange order by dragging thumbnails
- Choose options:
- One PDF with all images
- Or separate PDFs per image
- Click Convert
- Download your PDF(s)
Supported Formats:
- JPG/JPEG
- PNG
- WebP
- BMP
- GIF (first frame)
Method 2: Using Preview on Mac
Mac users can batch convert with Preview:
Steps:
- Select all images in Finder
- Right-click > Open With > Preview
- Select All (Cmd+A) in sidebar
- File > Export as PDF
- Save
Combining into One PDF:
- Open first image in Preview
- View > Thumbnails
- Drag other images into sidebar
- Arrange order
- File > Export as PDF
Method 3: Using Microsoft Word/Google Docs
If you need more layout control:
In Word:
- Create new document
- Insert > Pictures > Select multiple
- Arrange as needed
- File > Save As > PDF
In Google Docs:
- Create new doc
- Insert > Image > Upload
- Arrange images
- File > Download > PDF
Method 4: Command Line (Advanced)
For tech-savvy users, ImageMagick works great:
Install ImageMagick:
- Mac: brew install imagemagick
- Windows: Download from imagemagick.org
Convert Command:
convert *.jpg output.pdf
With Options:
convert -quality 85 -resize 1200x *.jpg output.pdf
Organizing Images Before Conversion
File Naming:
Name files for correct order:
- 01_cover.jpg
- 02_page1.jpg
- 03_page2.jpg
Sorting Options:
- By name (alphabetical)
- By date
- By manual arrangement
Image Orientation and Size
Handling Mixed Orientations:
Most converters handle both portrait and landscape images. Each image becomes its own page at its natural orientation.
Resizing Options:
- Fit to page: Image fills page
- Original size: Maintains dimensions
- Custom size: Specify dimensions
Quality Considerations
Image Quality vs File Size:
| Quality | Best For | File Size |
|---|---|---|
| High (300 DPI) | Large | |
| Medium (150 DPI) | Screen/sharing | Medium |
| Low (72 DPI) | Email/web | Small |
Recommendations:
- Photos for viewing: 150 DPI
- Print quality: 300 DPI
- Quick sharing: 72-100 DPI
One PDF vs Multiple PDFs
One Combined PDF:
- Best for: Photo albums, multi-page documents
- Easier to share
- Sequential viewing
Separate PDFs:
- Best for: Individual documents
- Easier to organize
- Selective sharing
Tips for Best Results
Before Converting:
- Sort images in desired order
- Remove duplicates/unwanted images
- Check image quality
- Consider final file size
During Conversion:
- Verify order in preview
- Choose appropriate quality
- Select page size (Letter, A4, etc.)
After Converting:
- Check all pages transferred
- Verify image quality
- Compress if file is too large
Handling Large Batches
For 100+ Images:
- Desktop software is faster
- Consider splitting into multiple PDFs
- Compress images before converting
Recommended Tools for Large Batches:
- ImageMagick (command line)
- Adobe Acrobat Pro
- PDF24 Desktop
Frequently Asked Questions
How many images can I convert at once?
Online tools typically handle 20-50 images comfortably. Desktop software handles unlimited images.
Will image quality be preserved?
Quality depends on settings. Choose "High Quality" or "Original" options for best results.
Can I rearrange pages after conversion?
Yes, use a PDF editor or our PDF merge tool to rearrange.
What's the maximum file size?
Online tools usually accept 10-50MB per image. Total limit varies by service.
How do I reduce the final PDF size?
Use lower quality settings, compress images before converting, or compress the PDF after.
Conclusion
Batch converting images to PDF saves hours of work. Online tools handle most batch jobs easily — just upload all images, arrange them, and convert.
Convert your images to PDF: JPG to PDF | PNG to PDF
Related: Merge PDF Files | Image Compressor