100% In-Browser & Private

Merge PDF Files Online Free

Managing separate PDF pages, scanned receipts, reports, or portfolio sections is cumbersome. This online PDF merger lets you assemble multiple PDF documents into a single unified file in your exact preferred sequence, without uploading files to third-party cloud servers.

Upload PDF Files to Merge

Drop 2 or more PDF files here or click to select multiple files

Supports: .pdf • Max: 100MB • 100% In-Browser

Free • Fast • Private — Your files are processed locally in your browser with zero server uploads.

Guide

How to Merge Multiple PDF Files

Follow these simple steps to process your file directly in your browser with zero software downloads or server uploads.

Upload Two or More PDFs

Select or drag multiple PDF documents into the upload area simultaneously.

Organize Your Page Order

Arrange your documents in the exact order you want them combined by moving cards or adding additional files.

Set Output File Name

Choose a custom file name for your merged output or keep the default name.

Merge and Download

Click "Merge Files" to stitch the pages together and immediately download your combined document.

Benefits

Why Use This Free PDF Merger?

Engineered with modern WebAssembly and HTML5 client-side engines for private, responsive performance.

Instant Multi-File Assembly

Combine meeting notes, invoices, certificates, and multi-part forms into one cohesive document.

Complete Document Privacy

All document merging is executed directly inside your web browser. Confidential records remain on your machine.

Precise Ordering Control

Easily rearrange files or remove accidental selections before finalizing your merged output.

No Software Installation Required

Works instantly on Windows, Mac, Linux, Chromebooks, and mobile phones without installing desktop software.

FAQ

Frequently Asked Questions About Merging PDFs

Everything you need to know about file privacy, technical limits, and in-browser processing.

How many PDF files can I combine at once?

You can combine multiple PDF files up to an aggregate size of 100MB depending on your available device memory.

Does merging preserve original page orientation and formatting?

Yes. Portrait and landscape pages, tables, images, and embedded fonts from each input document are preserved.

Are my uploaded files retained anywhere?

No. Files are read temporarily into your browser’s local memory and discarded as soon as you finish or refresh the page.

Can I rename the output document before downloading?

Yes. You can enter any custom filename in the options panel prior to clicking the merge button.

Does this tool work on mobile devices?

Yes. You can select documents from your iOS Files app or Android file manager and merge them on mobile.

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