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SwiftTools

PDF Merger

Free PDF merger. Combine multiple PDF files into one, in the order you choose. 100% in your browser, no upload.

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PDFs are merged locally in your browser using a built-in PDF engine. Files never leave your device.

About PDF Merger

Merge several PDF files into a single document, in exactly the order you want. All processing happens on your device - no files leave your computer, no watermarks, no limits.

How to use it

  1. 1Add the PDFs you want to merge.
  2. 2Reorder them if needed.
  3. 3Click Merge and download the combined file.

Examples

Reports

Input
report-a.pdf + report-b.pdf
Result
merged.pdf

Scans

Input
3 scanned pages
Result
one combined PDF

Frequently asked questions

Is there a file-size limit?

Practical limits are your browser memory and file size.

Can I mix page sizes?

Yes - each page keeps its own dimensions.

Does it add a watermark?

No - the output is clean.

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