Free online tool

Merge PDF online

Combines multiple selected PDFs into one file. Process PDF online and download the result without changing the original.

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Drop your files here or click to select them from your device Select files Accepted formats: PDF Up to 20 files, 20 MB per file

Selected files

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How to configure the result

Each option controls a specific part of processing. Keep defaults when you do not need to control that aspect.

This tool does not require additional settings.

Private, temporary processingFiles are deleted automatically after 60 minutes.

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PDF

What Merge PDF does

Combines multiple selected PDFs into one file. The tool validates the selected files and applies only the requested operation and settings. Files are processed in the displayed order to create one result or package.

Compatibility and limits

Input formats
PDF
Results
PDF
Number of files
Minimum 2, maximum 20
Maximum total size
24 MB
FAQ

Frequently asked questions

Yes. The selector order normally determines how files are added to the result.

Input supports PDF and can produce PDF. The selector rejects incompatible extensions before processing.

No. A new result is created and the uploaded file remains unchanged during temporary processing.
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