Merge PDF Online — Combine PDF Files Free
Combine multiple PDF documents into a single, unified file securely using client-side processing.
About this tool
Merge PDF Online lets you combine PDF files without installing software or creating an account. Drag in your documents, set the page order, and download a single merged PDF. Everything runs locally in your browser, which is ideal for contracts, invoices, and study packets you do not want to upload. Pair it with our PDF split or rotate tools if you need to tidy pages before merging.
How to use
- Select or drop your file in the tool panel above.
- Adjust any options if provided.
- Download or copy the output.
This page is available at /tools/pdf-merge/.
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FAQ
How do I merge PDF files for free?
Select two or more PDFs, arrange their order, click Merge, then download the combined file. No signup is required.
Is my PDF uploaded to a server?
No. Merging happens entirely in your browser using client-side PDF libraries.
Is there a page or file limit?
Limits depend on your device memory. Very large PDFs may take longer but still process locally.
Can I merge password-protected PDFs?
Encrypted PDFs must be unlocked first. This tool does not remove passwords.