UMARIX PDF

Merge PDF — Free Online

Combine several PDF files into a single document, in the order you choose. Useful for joining an application, a report and its appendices, or several chapters into one file to send or print.

Private by design — this tool runs entirely in your browser. Your file never leaves your device.

PDFs: max 50 MB and 500 pages per file. Images: max 20 files, 20 MB each. Word files: max 10 MB.

or drag and drop it here

PDF files only.

How to use Merge PDF

  1. Choose two or more PDF files, or drag them into the upload area.
  2. Use the up and down buttons to arrange them in the order you want.
  3. Click Process Merge PDF, then download the combined file.

Supported files and limits

PDFs: maximum 50 MB and 500 pages per file. Images: maximum 20 files, 20 MB each. Word files: maximum 10 MB, DOCX only. No account is required for any basic tool.

Processing: entirely in your browser. Your file never leaves your device, is never uploaded, and is never stored.

Limitations — stated honestly

Frequently asked questions

Is merging PDFs free and unlimited?
Merging is free with no account. Each input PDF must be under 50 MB and 500 pages.
Will the page order change?
No. The output follows exactly the order shown in the file list before you process.
Does merging upload my files?
No. Merging runs entirely in your browser; your files never leave your device.

Related tools

← Back to all PDF tools