Merge PDF - Combine PDF Files

Merge PDF files in your browser—files stay on your device

or Drag & drop files here

Max 100 filesMax file size: 100MB

Supported formats: .pdf, application/pdf

Merge PDF Files Online Free - Combine PDFs in Seconds

Combine multiple PDF files into one document instantly with our free online PDF merger. Our browser-based tool processes files locally on your device - no upload required, complete privacy guaranteed. Merge unlimited PDFs with drag-and-drop reordering, preserve bookmarks and links, and download your combined document in seconds.

100% Free • No Upload • Unlimited Files • Complete Privacy

Step-by-Step Guide

How to Merge PDF Files

Combine your PDF documents in 4 simple steps

1

Upload your PDF files by dragging and dropping or clicking to browse

Select up to 20 PDF files at once. Each file can be up to 50MB in size.

2

Arrange files and pages in your desired order using drag-and-drop

Reorder entire files or individual pages. Preview pages before merging.

3

Click 'Merge PDFs' to combine all documents into one

Processing happens entirely in your browser - no server upload required.

4

Download your merged PDF file instantly

Your combined PDF is ready immediately with all content preserved.

Why PDFyogi

Why Choose PDFyogi PDF Merger?

The fastest, most private way to combine PDF files online

100% Browser-Based Privacy

Your files never leave your device. All merging happens locally in your browser using WebAssembly technology. No server uploads, no data collection, no privacy risks.

Lightning-Fast Processing

No upload/download delays. Merge PDFs in seconds regardless of file size. Start processing immediately without waiting for network transfers.

Completely Free Forever

No file limits, no daily restrictions, no registration required. Unlike iLovePDF or Smallpdf with freemium limits, our tool is truly unlimited and free.

Full Page Control

Drag-and-drop reordering for both files and individual pages. Preview every page before merging to ensure perfect document structure.

Preserves Everything

Bookmarks, hyperlinks, form fields, and formatting are all preserved. No quality loss - your merged PDF looks exactly as intended.

Works on Any Device

Compatible with Windows, Mac, Linux, iOS, and Android. No software installation needed - works in any modern browser.

Use Cases

PDF Merge Use Cases

Discover how professionals combine PDFs daily

Business Reports & Proposals

Combine cover pages, executive summaries, financial data, and appendices into cohesive business documents.

Example: Merge quarterly reports, budget sheets, and projections into one presentation

Legal Document Assembly

Combine contracts, exhibits, signatures, and supporting documents into complete legal packages.

Example: Merge main contract with all amendments and signature pages

Academic & Research Papers

Combine thesis chapters, bibliography, appendices, and supporting materials into final submissions.

Example: Merge dissertation chapters with tables, figures, and references

Invoice & Receipt Compilation

Combine multiple invoices, receipts, and expense reports for accounting and tax purposes.

Example: Merge monthly expense receipts into quarterly reports

Portfolio Creation

Combine design work, certifications, and project samples into professional portfolios.

Example: Merge resume, work samples, and certificates into one portfolio PDF

Scanned Document Organization

Combine multiple scanned pages from different sessions into single organized documents.

Example: Merge separately scanned pages of a multi-page form

Platform Guides

Merge PDF on Any Platform

Step-by-step guides for every device and operating system

Merge PDF on Windows

Works perfectly in Chrome, Firefox, and Edge on Windows 10/11. No Adobe Acrobat needed.

  • Open PDFyogi in Chrome, Firefox, or Edge
  • Click 'Select Files' or drag your PDFs from File Explorer
  • Arrange files in desired order and click 'Merge'
  • Download merged PDF to your Downloads folder

Merge PDF on Mac

Faster than Preview's combine feature. Works in Safari, Chrome, or Firefox on macOS.

  • Open PDFyogi in Safari or Chrome
  • Select PDFs from Finder or drag and drop
  • Reorder files and pages as needed
  • Click 'Merge' and download the result

Merge PDF on Linux

No pdftk or command line needed. Works on Ubuntu, Fedora, and all major distributions.

  • Open PDFyogi in Firefox or Chrome
  • Select PDF files from your file manager
  • Arrange files and configure merge settings
  • Download your merged PDF

Merge PDF on iPhone & iPad

Full functionality in Safari on iOS 14+. Combine PDFs directly from Files app.

  • Open PDFyogi in Safari on your iPhone/iPad
  • Tap 'Choose Files' and select PDFs from Files app
  • Arrange files in order and tap 'Merge'
  • Save to Files app or share directly

Merge PDF on Android

Works in Chrome and other browsers. Access PDFs from Downloads or any file manager.

  • Open PDFyogi in Chrome on Android
  • Tap 'Choose Files' and select your PDFs
  • Reorder files as needed
  • Download to Downloads folder or share
Comparison

PDFyogi vs Other PDF Mergers

See how we compare to popular PDF merge tools

FeaturePDFyogiiLovePDFSmallpdfAdobe Acrobat
PriceFreeFree*Free*$14.99/mo
File Size Limit50MB/file100MB5GBUnlimited
Files Per Merge20 files25 filesUnlimitedUnlimited
Daily LimitUnlimitedLimited2/hourUnlimited
Privacy (No Upload)
Works Offline
Registration RequiredNoNoNoYes
Page ReorderingPro only
Bookmark Preservation

PDFyogi offers the best combination of privacy, unlimited usage, and features - completely free without uploading your files to any server.

Pro Tips

Advanced PDF Merging Tips

Expert techniques for combining PDF documents efficiently

Organize Files Before Merging

Name your files with numbers (01_intro.pdf, 02_chapter1.pdf) for easier sorting. This saves time when arranging multiple documents.

Use Page Preview Feature

Preview individual pages before merging to catch any issues. Remove unwanted pages (like blank pages) before combining.

Merge in Logical Sections

For very large documents, merge related sections first, then combine the section PDFs. This gives you better control over the final structure.

Preserve Document Navigation

Enable bookmark preservation when merging to maintain table of contents and navigation from original documents.

Check Page Orientation

Ensure all pages have consistent orientation before merging. Use our Rotate PDF tool first if some pages are landscape.

Compress After Merging

If your merged PDF is too large, use our Compress PDF tool afterward to reduce file size without quality loss.

Technical Details

Technical Specifications

Detailed technical information about our PDF merger

Maximum Files Per Merge20 PDF files
Maximum File Size50MB per file
Supported Input FormatPDF (all versions)
Output FormatPDF 1.7
Processing TechnologyWebAssembly (WASM)
Browser RequirementsChrome 90+, Firefox 88+, Safari 14+, Edge 90+
Processing Location100% Client-side (your device)
Bookmark HandlingPreserved and merged hierarchically
Hyperlink PreservationAll internal and external links preserved
Form FieldsInteractive form fields preserved
FAQ

Frequently Asked Questions

Everything you need to know about merging PDFs

Use PDFyogi's free PDF merger - simply drag and drop your PDF files, arrange them in order, and click Merge. Unlike tools like Smallpdf (2 files/hour limit) or iLovePDF (daily limits), we have no restrictions. Merge unlimited PDFs forever, completely free.

Troubleshooting

Troubleshooting Guide

Solutions to common PDF merging issues

Merge PDF Free - Combine Files Without Uploading