Merge PDF

Combine multiple PDFs into one file.

Drop your files here

select many at once · or click to browse from your device
Supports PDF documents · up to 100 MB free

How to merge a file with Fileflo

Four simple steps — no software to install.

1

Upload your file

Drag & drop your PDF onto the box above, or click to browse. Files stay in your browser.

2

Adjust the settings

Fine-tune merge options like quality and format to get exactly the result you want.

3

Merge instantly

Hit Merge Now and Fileflo processes your file in seconds — no waiting in a queue.

4

Download the result

Grab your new file with one click. Compare the before & after, then you're done.

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Frequently asked questions

Everything you need to know about Merge PDF.

Yes — Merge PDF is completely free with no watermarks and no daily limits. Fileflo Pro removes ads and unlocks larger file sizes and batch processing.
Absolutely. Merge PDF runs entirely in your browser — your files never get uploaded to a server.
Merge PDF works with PDF documents and more. If you need another format, try our other pdf tools.
Free users can process files up to 100 MB. With Fileflo Pro there's no limit, plus you can batch-process many files at once.

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