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HomeCompress
Convert
JPGPDF to ImageConvert PDF pages to JPG/PNGWPDF to DOCXConvert PDF to Word documentsWWord to PDFConvert Word files to PDF
Edit PDF
Merge PDFCombine multiple PDFs into oneOrganize PagesRearrange PDF page orderEdit PDFAdd text, images to PDFRotate PagesRotate pages in PDF files
PDF Security
Add WatermarkBrand your PDFs with watermarksEncrypt PDFLock PDF with a passwordSign PDFAdd digital signature to PDF
PricingBlogContact
Log inSign up
HomeAll ToolsOrganize & ManageMerge PDF

Merge PDF

Combine multiple PDF files into one. Drag to reorder pages before merging.

Select a PDF file

Drag and drop files here, or click to browse

Ready to merge

Add 2+ PDF files to get started

Merge Options

.pdf
  • Files never leave your device
  • Processed entirely in your browser
  • GDPR-conscious processing

Pro tips

  • Drag files in the list to set the exact page order before merging.
  • You can merge up to 100 PDFs at once — great for bulk workflows.
  • Enable "Preserve bookmarks" to keep each file's TOC intact in the output.

About This Tool

Merge PDF allows you to combine multiple PDF documents into a single file quickly and easily. Whether you're consolidating reports, combining scanned documents, or assembling a presentation, this tool makes the process seamless.

Simply upload your files, arrange them in your desired order using drag-and-drop, and merge them into one cohesive document. The tool preserves the quality of your original files and can optionally maintain bookmarks from each source document.

All merging happens locally in your browser, ensuring complete privacy for your sensitive documents.

How to Use

  1. 1

    Upload PDF Files

    Drag and drop multiple PDF files into the upload area, or click to select files from your device.

  2. 2

    Arrange Order

    Drag and drop the file thumbnails to arrange them in your desired order.

  3. 3

    Merge and Download

    Click the Merge button to combine all files, then download your merged PDF.

Use Cases

Combine Reports

Merge monthly or quarterly reports into a single annual document for easier distribution and archiving.

Assemble Portfolios

Combine multiple project documents, certificates, or work samples into a professional portfolio.

Consolidate Invoices

Merge multiple invoices or receipts into one document for accounting and record-keeping purposes.

Frequently Asked Questions

How many PDFs can I merge?

You can merge up to 100 PDF files at once, with a total combined size of up to 500MB.

Will the merged PDF maintain the original quality?

Yes, the merging process preserves the original quality of all documents without any compression or quality loss.

Can I merge password-protected PDFs?

Password-protected PDFs need to be decrypted first. Use our Decrypt PDF tool to remove the password before merging.

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Organize PDF

Rearrange, delete, and sort pages

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Alternate Merge

Interleave pages from two PDFs

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References

  • PDF – WikipediaOverview of the Portable Document Format (ISO 32000), including its structure and features.
  • Split PDFThe complementary tool: split a merged PDF back into individual documents.
  • Office Open XML – WikipediaBackground on the OOXML format family, useful context when working with mixed document types.

Every tool you need to work with PDFs — fast, private, self-hosted.

Product
  • All tools
  • Pricing
Categories
  • Organize & Manage
  • Edit & Annotate
  • Convert to PDF
  • Convert from PDF
  • Optimize & Repair
  • Secure PDF
Company
  • About
  • Contact
  • Blog
  • Help Center
Legal
  • Terms
  • Privacy
  • Security
  • Refund Policy
© 2026 pdfsimple. All rights reserved.