PDF Merger

Online PDF Merger

Combine multiple PDF documents into a single master PDF file client-side. Fast, secure, and offline.

📂
Drag & drop your PDFs here

supports multiple PDF documents

Select PDF Files
No PDF documents uploaded yet.
Features

Why Use PDF Merger?

Combine multiple PDF documents offline securely.

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Master PDF Builder

Appends multiple distinct PDF files into a single unified output document page by page.

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100% Client-Side

All PDF processing is executed locally in your browser memory. We never record document files.

⚡

Fast Compiling

Utilizes fast pdf-lib processing to combine separate pages in less than a second.

✔️

Accurate Formatting

Preserves all formatting rules, hyperlink references, text strings, and vector graphics.

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File Info Cards

Renders name and size information cards for every uploaded document list item.

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Responsive Grid Layout

Fluid responsive panels scale seamlessly across laptops, workstations, and mobile devices.

Frequently Asked Questions

It is an online utility that combines multiple separate PDF files into a single master PDF document.

No. The merger logic executes completely inside the browser using JavaScript. Your files are not transmitted.

We use the official standard pdf-lib package, loaded from secure cloud CDN providers for local browser processing.

No. All vector graphics, embedded fonts, text paragraphs, and formatting are copied exactly into the merged document.

Yes. Scanned PDF sheets are compiled page by page and ordered correctly without modification.

There is no set limit, but processing more than 10 large PDF documents (above 100MB total) might slow down the page.

Yes! You can easily sort and rearrange the sequence of uploaded PDF files by dragging and dropping them or clicking the left (◀) or right (▶) arrow buttons on each card before merging.
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Nhiều hơn
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