Is there a file size limit?

No. Processing happens in your browser, so the only limit is your device's RAM. Most computers handle files up to several hundred MB.

Is it safe to merge PDFs here?

Yes — your files never leave your device. All merging happens locally using JavaScript.

Merge PDF

Combine multiple PDF files into one document in seconds.

Drop your PDF files here

Drag & drop or click to browse

Choose Files

Your files never leave your device

Files will merge in the order listed above

Private Instant Free forever

Merge PDF Files — Free & Instant Online Tool

Combine multiple PDF documents into a single file. Drag in your PDFs, arrange the order, and merge with one click. No server uploads — everything runs in your browser.

How it works

Upload PDFs

Click or drag your PDF files into the upload area.

Set Order

Files merge in the order shown — rearrange as needed.

Merge & Download

Click Merge PDFs and save the combined document.

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Frequently Asked Questions

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