How to Combine Multiple Images into One PDF

When Do You Need to Combine Images into PDF?

Combining images into a PDF is useful for:

• Scanning documents — Merge scanned pages into one file
• Photo portfolios — Create a PDF album to share with clients
• Receipts and invoices — Combine photos of receipts for expense reports
• Assignments — Merge handwritten notes or diagrams into a single submission

How to Combine Images into PDF

Method 1: Use an Online Tool

The easiest method is using a browser-based tool like PDF Worker:

• Go to Image to PDF Converter
• Upload your images (JPG, PNG, WebP, BMP, or GIF)
• Drag to reorder if needed
• Choose page size (A4, Letter, Legal, or Fit to Image)
• Click Convert and download your PDF

Method 2: Built-in OS Tools

Windows: Select images > Right-click > Print > Microsoft Print to PDF macOS: Open images in Preview > File > Export as PDF

Method 3: Using Python

from PIL import Image

images = [Image.open(f) for f in ["page1.jpg", "page2.jpg", "page3.jpg"]]
images[0].save("output.pdf", save_all=True, append_images=images[1:])

Page Size Guide

• A4 (210 x 297mm) — Standard international paper size
• Letter (8.5 x 11in) — Standard US paper size
• Fit to Image — Each page matches the image dimensions exactly

Tips

• Sort images first before uploading for the correct page order
• Use consistent image sizes for a professional-looking PDF
• Add margins (20-40pt) for a clean layout with breathing room

Convert Now

Try PDF Worker's Image to PDF tool — it's free, fast, and your images never leave your browser.