UtilityLake
PDF Tools

Merge PDF

Use Merge PDF free in your browser. No account required; your input is processed locally in your browser.

Runs locallyYour inputs stay in your browser.
Workspace
Drop files here or browse your deviceBrowse files.PDF
HOW IT WORKS

A new PDF, built from the original pages

UtilityLake creates a new document and copies the pages from each selected PDF into it in sequence. The original files remain unchanged.

2+ PDF filesKeeps file orderOutput: merged.pdfRuns locally
PDF A
12
+
PDF B
34
→
Merged PDF
1234

Pages are copied in sequence into a new document.

01

Merge PDFs in four steps

  1. 01

    Choose at least two PDF files.

  2. 02

    Check the order of the selected documents.

  3. 03

    Run Merge PDF.

  4. 04

    Download the new merged.pdf file.

GOOD TO KNOW

Merging is not the same as turning pages into images

This tool copies the existing PDF pages into a new document. It does not intentionally rasterize every page into a screenshot, so the merge operation itself is different from image-based PDF compression.

PRIVATE BY DESIGN

Your PDFs stay in your browser

The merge operation runs locally on your device. Your selected PDF files do not need to be uploaded to UtilityLake in order to create the final document.

02

A few useful answers

Does merging modify my original PDFs?

No. UtilityLake creates a separate PDF and leaves the original files unchanged.

Does the order of the files matter?

Yes. All pages from the first selected PDF are inserted first, followed by the second PDF, the third and so on.

Is there a practical file-size limit?

Because processing happens in the browser, very large documents depend on the memory and resources available on your device and browser.

03

What do you want to do next?

Compress PDF

Reduce the size of the merged document.

Reorder PDF Pages

Change the order of individual pages.

Delete PDF Pages

Remove pages you no longer need.