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PDF tool

Merge PDF

Combine multiple PDF files into one document directly in your browser.

Select PDF files

Choose two or more PDF files. You can reorder them before merging.

or drag and drop PDF files here

Your files are processed in your browser and are not uploaded to our server.

Selected files

No files selected yet.

About this Merge PDF tool

This free Merge PDF tool lets you combine several PDF files into a single document. It is useful for invoices, quotes, reports, forms and other documents.

How it works

The selected PDF files are read locally in your browser, copied into a new PDF document and prepared for download. Your files are not stored on our servers.

Frequently asked questions

How do I merge PDF files online?
Click 'Choose PDF files' or drag and drop your PDFs into the upload area. Use the arrows to set the order you want, then click 'Merge PDF'. Your merged file will be ready to download in seconds.
Are my PDF files uploaded to a server?
No. All processing happens entirely in your browser using JavaScript. Your files never leave your device and are never sent to any server. This tool is 100% private.
Is there a limit on the number of PDFs I can merge?
There is no hard limit on the number of files. Keep in mind that very large PDFs may take longer to process, depending on your device's memory and performance.
Can I change the order of PDFs before merging?
Yes. After selecting your files, use the up and down arrows next to each file to reorder them before merging.
Is this Merge PDF tool free?
Yes, completely free. No sign-up, no download and no ads. Your files are processed locally in your browser.