How to merge PDF files
1. Drop your PDFs into the box. 2. Reorder them with the arrows if needed. 3. Click Merge — your combined PDF downloads instantly. That's it, no account needed.
More free tools
Passport & visa photos with AI background changer, photo compressor & converter.
🧮 HK Salary Tax CalculatorEstimate your Hong Kong salaries tax for 2026/27 using official Inland Revenue rates.
Frequently asked questions
Is this PDF merger free?
Yes, completely free with no sign-up, no watermark, and no limits. Merge as many PDF files as you want.
How do I merge two or more PDF files?
Click the upload area or drag your PDF files into it. Reorder them if needed, then click the green Merge button. Your combined PDF is ready to download instantly.
Can I reorder pages before merging?
Yes. Use the up and down buttons on each file to change the merge order, or delete files you no longer need.
Are my PDF files uploaded to a server?
No. All processing happens locally in your browser. Your files never leave your device — safe for contracts, bank statements, and personal records.
Is there a limit on file size?
The only limit is your device's memory. Very large files may take a moment, but there is no artificial size limit.
Will the merged PDF have a watermark?
No watermark is added. The output contains exactly the pages from your original files in the order you chose.
Can I merge PDFs on my phone?
Yes, it works on any modern browser, including Safari and Chrome on iPhone and Android.
Do I need to install any software?
No installation needed. It runs entirely in your web browser — just open the page and merge.