Merge PDF

Merge multiple PDF files into one for free. No sign-up, no watermark.

FREE
Drop PDF files here to merge
Drag & drop your files, or browse from computer
PDF only  ·  Max 50 MB per file  ·  Unlimited files
Files never uploaded Zero watermarks 100% free forever
Reading files…
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Preview

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— Pages
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Merges in your browser · files never uploaded
Merging your PDFs
Combining files…
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Your PDF is Ready! 🎉


What's next?
Split PDF
Extract pages
Compress PDF
Reduce size
PDF to JPG
Extract images
Rotate PDF
Fix orientation
Step by Step Guide

How to Merge PDF Files — 3 Easy Steps

1
Upload Your PDF Files
Click "Choose PDF Files" or drag and drop multiple PDFs. Select as many files as you need at once.
2
Arrange & Preview
Drag cards to reorder files. Click any file to preview its content in the panel before merging.
3
Merge & Download
Click "Merge PDFs". Everything happens in your browser — download your result instantly, for free.

Merge PDF Files Online — Free, Instant & 100% Private

Our free PDF merger lets you combine multiple PDF files into one document in seconds. Everything runs directly in your browser — your files are never uploaded to any server. No software to install, no account needed, no watermarks, ever.

Using the PDF-lib library, we process your files locally with full quality preservation. Fonts, images, formatting, and layout are all kept exactly as in the originals.

Why Use Our PDF Merger?

  • 100% free with no file count or size limits
  • Browser-based — files never leave your device
  • No watermarks, branding, or quality reduction
  • Click-to-preview before merging
  • Drag-and-drop reordering with live page count
  • Works on all browsers, phones, and tablets

Good to Know

You can merge unlimited PDF files — there's no cap on file count. Each file can be up to 50 MB.

Original quality is preserved — fonts, images, layouts stay intact. No compression during merge.

Password-protected PDFs cannot be merged directly. Unlock them first using a PDF unlock tool, then merge.

Frequently Asked Questions

Everything you need to know about merging PDFs online

Upload your PDFs, drag to set your preferred order, then click "Merge PDFs". The combined file downloads instantly — completely free, no account needed.
Yes, 100% free. No account, no credit card, no file limits, no hidden charges. You can merge as many times as you want.
There is no limit. Merge 2 files or 50 — the tool handles all of them. Each individual file can be up to 50 MB.
Completely safe. All processing happens in your browser using JavaScript. Your files are never sent to any server. Zero data collection.
Never. The output is a completely clean PDF — no branding, no logos, no added text of any kind.
Yes! Works on all devices — iPhone, Android, iPad, Mac, and Windows. Open your browser and merge without any app download.
No. PDF-lib preserves the original resolution, fonts, images, and page layout. Quality is identical to your original files.
Yes — drag the file cards to change order. You can also sort all files by name, size, or date using the Sort button. Click any file to preview it first.