100% Browser-Based • No Upload • Free

Free PDF Merger Combine PDFs Instantly

Merge multiple PDF files into a single document in seconds. Drag to reorder, select specific pages, and download — all processed in your browser. No files uploaded.

Merge PDFs Free All Tools
No sign-up required to try • No files uploaded • Free forever

How It Works

1
Select or drop your file
2
Processed in your browser — nothing uploaded
3
Download the result — done!
Key Features

Why Use UniTrack PDF Merger

Combine reports, contracts, and documents into one PDF — privately and instantly.

Drag & Reorder

Drag files to rearrange their order before merging. Get exactly the document structure you need.

Unlimited Files

Combine as many PDFs as you need — no limits on number of files or total page count.

Completely Offline

Files are merged using JavaScript in your browser. Nothing is transmitted — perfect for confidential documents.

Your Data Never Leaves Your Browser

Unlike other online tools, we don't upload your files to our servers. Everything is processed using JavaScript directly in your browser. When you close the tab, your data is gone. Zero tracking, zero risk.

0
Server uploads
0
Data stored
0
Tracking
FAQ

Frequently Asked Questions

Yes! After adding your files, simply drag and drop them into the desired order. The merged PDF will follow your arrangement exactly.

There's no artificial limit. You can merge as many PDFs as your device's memory allows. Most devices handle dozens of files without issue.

No. Merging preserves all original content — text, images, formatting, and interactive elements remain exactly as in the source files.

Merge Your PDFs for Free

Combine multiple PDFs into one document instantly — no upload, no signup, no limits.

Merge PDFs Now Browse All Tools
No sign-up required 100% browser-based Free forever