📑 PDF Tool

Merge PDF Online Free

Combine multiple PDF files into a single document instantly. Drag, drop and merge — completely free. No signup required. Your files are deleted automatically after 2 hours.

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Drag & drop your PDF here

or click to browse from your computer

Supports: PDF · Max 50 MB per file (free) · 1 GB with Pro

✅ Merge complete!

100%

Free to use

2M+

Files merged

No limit

Files per merge

Why use 5iles to merge PDF?

Fast, free, and secure PDF merging with no signup required.

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Instant merging

Files are merged in seconds using our optimised cloud pipeline. No waiting, no queues.

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Secure & private

All files encrypted with AES-256. Automatically deleted from our servers after 2 hours.

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Unlimited files

Merge as many PDF files as you need into a single document in one click.

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Works everywhere

Merge PDFs on any device — desktop, tablet, or mobile. No app installation needed.

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No quality loss

Your PDF content is preserved exactly as-is. No compression, no quality reduction.

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Cloud storage

Connect Google Drive, Dropbox, or OneDrive to merge files directly from the cloud.

How to merge PDF files

Combine your PDFs in three simple steps

Upload your PDFs

Drag & drop or click to upload your PDF files. Upload as many as you need.

Arrange order

Files will be merged in the order you uploaded them. Remove any you don't need.

Merge them

Click merge and our engine combines your files instantly into a single PDF.

Download result

Download your merged PDF instantly. Share it or save it to your cloud storage.

Frequently asked questions

You can merge as many PDF files as you need in a single operation. There is no limit on the number of files on any plan.

No. Our merge tool preserves all content exactly as-is. Text, images, fonts, and formatting are all maintained perfectly.

Yes. All files are encrypted during upload and processing using AES-256 encryption. Files are permanently deleted from our servers within 2 hours.

The free plan supports PDF files up to 50 MB each. Upgrade to Pro to merge files up to 1 GB each.

Yes. Files are merged in the order you upload them. Simply upload them in the order you want the pages to appear in the final document.

Merge PDF Online Free

Drag & drop your PDF here

Why use 5iles to merge PDF?

How to merge PDF files

Frequently asked questions

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Start merging for free