PDF Merger

Combine multiple PDF files into one document with drag-and-drop upload and easy reordering.

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26,156+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

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About This Tool

Our PDF Merger tool allows you to upload multiple PDF files and combine them into a single document. You can easily reorder the pages before merging, and the resulting PDF maintains the original quality of all uploaded files. The tool is completely free to use and processes your files securely on our servers.

Save your calculation history with a free account

How to Use

Click the upload area or drag and drop PDF files
Add more files if needed using the 'Add More Files' button
Reorder files by dragging them up or down in the list
Click 'Merge PDFs' to combine all files
Download your merged PDF file when processing completes

Frequently Asked Questions

Find Quick Answers

Is there a limit to how many PDFs I can merge?

You can merge up to 20 PDF files at once, with a total size limit of 100MB per session.

Will the quality of my PDFs be affected?

No, the merger preserves the original quality of all uploaded PDF files without compression or quality loss.

Is my data secure?

Yes, all uploaded files are processed securely on our servers and automatically deleted after 1 hour. We don't store your documents permanently.

What if I need to change the order of pages?

You can easily reorder the entire PDF files before merging by dragging them in the file list. The tool merges files in the order they appear in the list.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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