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How to Combine Scanned Documents Into One: A Comprehensive Guide

In today's digital age, managing documents efficiently is crucial. Whether you're dealing with invoices, forms, or contracts, combining multiple scanned documents into one cohesive file can simplify your workflow and enhance productivity. In this comprehensive guide, we'll walk you through the process of combining scanned documents into a single file, ensuring you can handle your documents efficiently and without hassle.

Why Combine Scanned Documents?

1. Streamlined Organization

Combining multiple documents into one file helps keep your records organized and reduces clutter, making it easier to locate and manage your files.

2. Enhanced Accessibility

A single file is easier to share and access than multiple separate documents. This is particularly beneficial when collaborating with others or archiving important records.

3. Reduced Storage Space

Merging files can help reduce the overall storage space required, as you avoid having multiple redundant files taking up space.

4. Consistency and Professionalism

A single, consolidated document presents a more professional and cohesive appearance when sharing with clients, colleagues, or stakeholders.

Methods to Combine Scanned Documents

1. Using Adobe Acrobat

Adobe Acrobat is a robust tool that offers comprehensive features for managing PDF documents, including combining multiple scanned documents into one. Here’s a step-by-step guide:

Step-by-Step Guide:

  1. Open Adobe Acrobat: Launch Adobe Acrobat on your computer.
  2. Create PDF: Go to File > Create > Combine Files into a Single PDF.
  3. Add Files: Click the Add Files button and select the scanned documents you want to combine.
  4. Arrange Files: Arrange the order of the documents by dragging and dropping them in the desired sequence.
  5. Combine and Save: Click Combine and then save the merged PDF file to your chosen location.

2. Using Online Tools

Numerous online tools are available that allow you to combine scanned documents without needing to install software. Some popular options include:

Using Smallpdf:

  1. Visit Smallpdf: Go to Smallpdf's merge tool.
  2. Upload Files: Click Choose Files and upload the scanned documents you wish to combine.
  3. Arrange Order: Drag and drop the files to arrange them in the desired order.
  4. Merge PDFs: Click Merge PDF and then download the combined document.

3. Using Preview on macOS

If you’re a macOS user, the built-in Preview app provides a simple way to combine scanned documents.

Step-by-Step Guide:

  1. Open Files in Preview: Open one of the scanned documents in Preview.
  2. Show Thumbnails: Select View > Thumbnails to display thumbnails in the sidebar.
  3. Drag and Drop: Drag the other scanned documents into the sidebar. Arrange them in the desired order.
  4. Export as PDF: Go to File > Export as PDF and save the combined document.

4. Using Windows 10 Built-in Functionality

Windows 10 offers built-in options for combining scanned documents using the Print to PDF feature.

Step-by-Step Guide:

  1. Select Files: Open File Explorer and select the scanned documents you want to combine.
  2. Right-Click Menu: Right-click on one of the selected files and choose Print.
  3. Select Printer: In the print dialog, select Microsoft Print to PDF as your printer.
  4. Combine and Save: Click Print, then choose a location to save the combined PDF.

Tips and Tricks for Combining Scanned Documents

  • Check Quality: Ensure all scanned documents are of high quality before combining them. Use tools like Adobe Acrobat to enhance and clean up scanned images.
  • Consistent File Naming: Use a consistent naming convention for your files to avoid confusion and make the merging process smoother.
  • Optimize File Size: Use compression tools to reduce the file size of your combined document without compromising quality.
  • Backup Files: Always keep a backup of your original scanned documents before combining them.

Troubleshooting Common Issues

Incomplete Merging

If the merging process fails or results in an incomplete document, ensure all files are correctly uploaded and try the process again. Sometimes, using a different tool or method can resolve the issue.

Large File Size

If the combined document is too large, use PDF compression tools to reduce the file size. Many online tools offer compression features that can help.

Compatibility Issues

Ensure the software or online tool you're using is compatible with your document formats. Updating to the latest version of the software can also help resolve compatibility issues.


Combining scanned documents into one is an essential skill for efficient document management. Whether using Adobe Acrobat, online tools, macOS Preview, or Windows 10’s built-in features, you now have the knowledge and tools to streamline your workflow and maintain an organized digital workspace.

Remember, the choice of method depends on your specific needs and the tools available to you. By following the steps and best practices outlined in this guide, you'll be well-equipped to handle your documents efficiently and professionally.

For more tips on document management and productivity, stay tuned to our blog and sign up for our newsletter.

By implementing these techniques, you can ensure a seamless and professional approach to document management, enhancing your productivity and organization in both personal and professional capacities.

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