Merge PDF

Combine multiple PDF files into a single document. Drag and drop to reorder pages, adjust compression settings, and download your merged PDF instantly. Perfect for combining reports, presentations, or any documents. Need to do the opposite? Try our Split PDF to separate pages.

Drop your PDF files here

or click to browse files

PDF Batch Upload Drag to Reorder
Max 20MB per file | Up to 20 files | 100MB total
Related PDF Tools:
Split PDF Compress PDF PDF to JPG PDF to PNG PDF Viewer Image to PDF

How to Merge PDF Files

  1. Upload your PDF files by dragging and dropping them onto the upload area or clicking to browse. You can select up to 20 files at once (max 20MB each, 100MB total).
  2. Arrange the order by dragging files in the list. The merged PDF will follow this exact sequence. Use the drag handles to reposition files easily.
  3. Adjust compression if you want a smaller output file. Choose between Maximum compression, Balanced, or Quality mode based on your needs.
  4. Click "Merge PDFs" to combine all files into a single document. The process typically takes just a few seconds.
  5. Download your merged PDF instantly. Need to make changes? Use our Split PDF to separate pages again.
Pro tip: Preview your PDFs using our PDF Viewer before merging to ensure you have the right files. Need smaller files? Try Compress PDF first.

Why Merge PDF Files

Better Organization

Combine multiple related documents into a single file for easier management, sharing, and archiving. No more hunting through multiple files.

Easier Sharing

Send one file instead of multiple attachments. Recipients get everything they need in a single, organized document.

Simplified Printing

Print multiple documents at once without switching between files. Perfect for reports, presentations, and document packages.

Professional Deliverables

Create polished, comprehensive documents for clients, stakeholders, or submissions. Combine proposals, contracts, and supporting materials seamlessly.

Tips for Organizing PDFs Before Merging

1

Review files first

Use our PDF Viewer to check each document before merging. Ensure all pages are correct and in the right orientation.

2

Optimize large files

If your PDFs are large, consider using Compress PDF first. This speeds up merging and creates smaller output files.

3

Name files logically

Use numbered prefixes (01_, 02_, etc.) in filenames for easier identification when reordering in the merge queue.

4

Consider the output

If you need images from the merged PDF later, you can use PDF to JPG or PDF to PNG converters.

Frequently Asked Questions

Yes, our PDF merger is completely free with no hidden costs. There are no watermarks added to your merged files, no registration required, and no limits on how many times you can use it. We also offer other free tools like Split PDF and PDF Compressor.

You can upload up to 20 PDF files at once. Each file can be up to 20MB, with a total combined size limit of 100MB. If your files are too large, use our PDF Compressor to reduce their size before merging.

Yes! After uploading your files, you can drag and drop them to change their order. The merged PDF will follow the exact sequence you set. Each file's pages remain in their original order within that file.

Absolutely. Your files are processed securely on our servers and automatically deleted within 24 hours. We don't store, share, or access your documents for any purpose other than the merge operation. Your privacy is our priority.

No problem! Use our Split PDF tool to separate pages from any PDF. You can extract individual pages, split by page ranges, or create separate files for each page.

Our compression options let you choose the balance between file size and quality. "Quality" mode preserves maximum detail, while "Maximum" compression prioritizes smaller file size. For most documents, "Balanced" provides excellent results with good compression.

Currently, password-protected or encrypted PDFs need to be unlocked before merging. If you have the password, you can remove the protection using PDF software, then upload the unlocked files. We're working on adding password support in a future update.