Merge PDF Files Online for Free

Join two or more PDF documents into a single unified file in the exact order you need—processed 100% locally in your browser so your documents stay private.

Processed locally in your browser — your files never leave your device

Drag and drop your files here, or click to browse

Select Files
Supported formats: PDF•Max file size: 100 MB

How to Use This Tool

  1. 1

    Select or Drop Your PDF Files

    Drag and drop two or more PDF files into the upload area, or click to select them from your device.

  2. 2

    Arrange the Document Order

    Review each file's page count and size. Use the up/down controls to reorder files or remove any PDF you do not want to include.

  3. 3

    Click Merge PDFs

    Press the merge button to combine all pages sequentially in your browser's memory.

  4. 4

    Download the Combined PDF

    Save the merged PDF document immediately to your computer or mobile device.

Key Features & Capabilities

Instant Reordering & Queue Control

Move files up or down in the list, inspect page counts per file, add more PDFs at any time, or remove individual items before merging.

Preserves Original Page Quality

Pages are copied directly at the PDF object level without re-encoding text, vector graphics, or embedded fonts.

100% Client-Side Execution

Your contracts, academic papers, and financial statements are merged on your device without being uploaded to any external server.

Works on Desktop & Mobile

Combine PDFs effortlessly from Windows, macOS, Linux, iOS, or Android browsers without installing desktop suites.

Frequently Asked Questions

No. Toolbox uses client-side PDF processing inside your web browser. Your files are read from your device memory, combined locally, and offered for direct download.

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